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AP2161D/AP2171D
1A SINGLE CHANNEL CURRENT-LIMITED POWER SWITCH WITH OUTPUT DISCHARGE Description
The AP2161D and AP2171D are integrated high-side power switches optimized for Universal Serial Bus (USB) and other hot-swap applications. The family of devices complies with USB 2.0 and available with both polarities of Enable input. They offer current and thermal limiting and short circuit protection as well as controlled rise time and under-voltage lockout functionality. A 7ms deglitch capability on the opendrain Flag output prevents false over-current reporting and does not require any external components. All devices are available in SOT25, SO-8, MSOP-8-EP, and DFN2018-6 packages.
Pin Assignments
( Top View )
GND IN IN
1 2 3
8 7 6 5
NC OUT OUT FLG
NEW PRODUCT
EN 4
SO-8
Features
( Top View )
* * * * * * * * * * * * * * Single USB port power switches with output discharge Over-current and thermal protection 1.5A accurate current limiting Fast transient response Reverse Current Blocking 90m on-resistance Input voltage range: 2.7V - 5.5V 0.6ms typical rise time Very low shutdown current: 1uA (max) Fault report (FLG) with blanking time (7ms typ) ESD protection: 4KV HBM, 300V MM Active high (AP2171D) or active low (AP2161D) enable Ambient temperature range -40C to 85C SOT25, SO-8, MSOP-8-EP (Exposed Pad), and DFN2018-6: Available in "Green" Molding Compound (No Br, Sb) Lead Free Finish / RoHS Compliant (Note 1) UL Recognized, File Number E322375 (pending) IEC60950-1 CB Scheme Certified
GND IN IN EN
1 2 3 4
8 7 6 5
NC OUT OUT FLG
MSOP-8-EP
( Top View )
OUT GND FLG
1 2 3 4 5
IN
* * *
EN
SOT25
Applications
( Top View )
* * * Consumer electronics - LCD TV & Monitor, Game Machines Communications - Set-Top-Box, GPS, Smartphone Computing - Laptop, Desktop, Servers, Printers, Docking Station, HUB
GND IN EN
1
6
OUT OUT FLG
2
5
3
4
DFN2018-6
Notes: 1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at http://www.diodes.com/products/lead_free.html.
AP2161D/2171D
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AP2161D/AP2171D
1A SINGLE CHANNEL CURRENT-LIMITED POWER SWITCH WITH OUTPUT DISCHARGE Typical Application Circuit
AP2171D Enable Active High
Power Supply 2.7V to 5.5V
10k 10uF 0.1uF IN OUT 0.1uF
Load
120uF
FLG
NEW PRODUCT
ON OFF
EN
GND
Available Options Part Number AP2161D AP2171D Channel 1 1 Enable pin (EN) Active Low Active High Current limit (typical) 1.5A 1.5A Recommended maximum continuous load current 1A 1A
Pin Descriptions
Pin Number Pin Name GND IN EN FLG OUT NC SO-8 MSOP-8-EP 1 2, 3 4 5 6, 7 8 SOT25 2 5 4 3 1 N/A DFN2018-6 1 2 3 4 5, 6 N/A Ground Voltage input pin (all IN pins must be tied together externally) Enable input, active low (AP2161D) or active high (AP2171D) Over-current and over-temperature fault report; open-drain flag is active low when triggered Voltage output pin (all OUT pins must be tied together externally) No internal connection; recommend tie to OUT pins Descriptions
AP2161D/2171D
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AP2161D/AP2171D
1A SINGLE CHANNEL CURRENT-LIMITED POWER SWITCH WITH OUTPUT DISCHARGE Functional Block Diagram
IN
Current Sense UVLO Driver Current Limit Discharge Control
OUT
NEW PRODUCT
EN
FLG
Thermal Sense
Deglitch
GND
Absolute Maximum Ratings
Symbol ESD HBM ESD MM VIN VOUT VEN , VFLG Iload TJmax TST
Notes:
Parameter Human Body Model ESD Protection Machine Model ESD Protection Input Voltage Output Voltage Enable Voltage Maximum Continuous Load Current Maximum Junction Temperature Storage Temperature Range (Note 2)
Ratings 4 300 6.5 VIN + 0.3 6.5 Internal Limited 150 -65 to 150
Unit KV V V V V A C C
2. UL Recognized Rating from -30C to 70C (Diodes qualified TST from -65C to 150C)
Recommended Operating Conditions
Symbol VIN IOUT TA Parameter Input voltage Output Current Operating Ambient Temperature Min 2.7 0 -40 Max 5.5 1.0 85 Unit V A C
AP2161D/2171D
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AP2161D/AP2171D
1A SINGLE CHANNEL CURRENT-LIMITED POWER SWITCH WITH OUTPUT DISCHARGE Electrical Characteristics (TA = 25oC, VIN = +5.0V, unless otherwise stated)
Symbol VUVLO ISHDN IQ ILEAK IREV Parameter Input UVLO Input Shutdown Current Input Quiescent Current Input Leakage Current Reverse Leakage Current Disabled, IOUT= 0 Enabled, IOUT= 0 Disabled, OUT grounded Disabled, VIN= 0V, VOUT= 5V, IREV at VIN VIN = 5V, IOUT= 1A VIN = 3.3V, IOUT= 1A ISHORT ILIMIT ITrig VIL VIH ISINK TD(ON) TR TD(OFF) TF RFLG TBlank RDIS TDIS TSHDN THYS Short-Circuit Current Limit Over-Load Current Limit TA = 25C SOT25, MSOP-8-EP, SO-8 DFN2018-6 -40C TA 85C TA = 25C -40C TA 85C 1.2 1.1 1.5 2.0 0.8 2 1 0.05 0.6 0.05 0.05 20 4 7 100 0.6 140 25 SOT25 (Note 4) JA Thermal Resistance Junction-to- SO-8 (Note 4) Ambient MSOP-8-EP (Note 5) DFN2018-6 (Note 5)
Notes:
Test Conditions
Min 1.6
Typ. 1.9 0.5 45 0.1 0.1 95 90 120
Max 2.5 1 70 1 1 115 110 140 140 170
Unit V A A A A
NEW PRODUCT
RDS(ON)
Switch on-resistance
m
Enabled into short circuit, CL=22F VIN= 5V, VOUT= 4.0V, CL=120F,-40C TA 85C VIN = 2.7V to 5.5V VIN = 2.7V to 5.5V VEN = 5V CL=1F, Rload=10 CL=1F, Rload=10 CL=1F, Rload=10 CL=1F, Rload=10 IFLG =10mA CIN=10uF, CL=22F VIN = 5V, disabled, IOUT= 1mA CL= 1F, VIN = 5V, disabled to VOUT < 0.5V Enabled, Rload=1k
A 1.9 A A V V A ms 1.5 0.1 40 15 ms ms ms ms ms C C
Current limiting trigger threshold Output Current Slew rate (<100A/s) , CL=22F EN Input Logic Low Voltage EN Input Logic High Voltage EN Input leakage Output turn-on delay time Output turn-on rise time Output turn-off delay time Output turn-off fall time FLG output FET on-resistance FLG blanking time Discharge resistance (Note 3) Discharge Time Thermal Shutdown Threshold Thermal Shutdown Hysteresis
170 127 67 70
o
C/W
3. The discharge function is active when the device is disabled (when enable is de-asserted). The discharge function offers a resistive discharge path for the external storage capacitor. 4. Device mounted on FR-4 4 substrate PCB, 2oz copper, with minimum recommended pad layout. 5. Device mounted on 2" x 2" FR-4 substrate PCB, 2oz copper, with minimum recommended pad on top layer and thermal vias to bottom layer ground plane.
AP2161D/2171D
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AP2161D/AP2171D
1A SINGLE CHANNEL CURRENT-LIMITED POWER SWITCH WITH OUTPUT DISCHARGE Typical Performance Characteristics
VEN VEN TD(OFF) TF
90% 10% 90% 10%
50%
50%
50%
50%
TR TD(ON) VOUT
TR TD(ON) VOUT
10% 90%
TD(OFF) TF
90% 10%
NEW PRODUCT
Figure 1. Voltage Waveforms: AP2161D (left), AP2171D (right) All Enable Plots are for AP2171D Active High Turn-On Delay and Rise Time
Ven 5V/div Ven 5V/div
Turn-Off Delay and Fall Time
Vout 2V/div
CL=1uF TA=25C RL=10
CL=1uF TA=25C Vout 2V/div RL=10
100us/div Turn-On Delay and Rise Time
100us/div Turn-Off Delay and Fall Time
Ven 5V/div Ven 5V/div
Vout 2V/div CL=120uF TA=25C Vout 2V/div RL=10
CL=120uF TA=25C RL=10
500us/div
500us/div
AP2161D/2171D
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AP2161D/AP2171D
1A SINGLE CHANNEL CURRENT-LIMITED POWER SWITCH WITH OUTPUT DISCHARGE Typical Performance Characteristics (Continued)
Short Circuit Current, Device Enabled Into Short
Short Circuit with Blanking Time and Recovery
Vout 5V/div Vflag 2V/div
Ven 5V/div
NEW PRODUCT
VIN=5V TA=25C CL=22uF Iout 500mA/div Iout 1A/div
VIN=5V TA=25C CL=22uF
100us/div 1 Load Connected to Enabled Device
Vflag 2V/div VIN=5V TA=25C CL=22uF Vflag 2V/div
20ms/div 2 Load Connected to Enabled Device
VIN=5V TA=25C CL=22uF
Iout 1A/div
Iout 1A/div
1ms/div Power On
Vflag 5V/div TA=25C CL=120uF RL=10
1ms/div Power Off
Vflag 5V/div
Iout 500mA/div
TA=25C CL=120uF RL=10 Iout 500mA/div
Ven 5V/div Vout 5V/div
Ven 5V/div Vout 5V/div
2ms/div
20ms/div
AP2161D/2171D
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AP2161D/AP2171D
1A SINGLE CHANNEL CURRENT-LIMITED POWER SWITCH WITH OUTPUT DISCHARGE Typical Performance Characteristics (Continued)
UVLO Increasing
TA=25C CL=22uF RL=10 Vin 2V/div
UVLO Decreasing
TA=25C CL=22uF RL=10
Vin 2V/div Iout 500mA/div
NEW PRODUCT
Iout 500mA/div
2ms/div Discharge Time No Load Resistance
Vout 2V/div TA=25C VIN=5V No Load Resistance
20ms/div
Inrush Current
VIN=5V TA=25C RL=10 CL=680uF
CL=470uF
CL=120uF Iin 400mA/div CL=22uF Ven 2V/div
CL=220uF CL=100uF
Ven 5V/div
100ms/div
Turn-On Time vs Input Voltage
800 700 600 500 400 300 200 100 0 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6
31 31
1ms/div
Turn-Off Time vs Input Voltage
Turn-On Time (us)
Turn-Off Time (us)
30 30 29 29 28 28 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6
CL=1uF RL=10 TA=25C
CL=1uF RL=10 TA=25C
Input Voltage (V)
Input Voltage (V)
AP2161D/2171D
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AP2161D/AP2171D
1A SINGLE CHANNEL CURRENT-LIMITED POWER SWITCH WITH OUTPUT DISCHARGE Typical Performance Characteristics (Continued)
Rise Time vs Input Voltage
600 25
Fall Time vs Input Voltage
500
24
Rise Time (us)
Fall Time (us)
400
23
300
22
NEW PRODUCT
200
CL=1uF RL=10 TA=25C
21
CL=1uF RL=10 TA=25C
100
20
0 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6
19 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6
Input Voltage (V)
Input Voltage (V)
Supply Current, Output Enabled vs Ambient Temperature
65
1.60
Supply Current, Output Disabled vs Ambient Temperature
Supply Current, Output Disabled (uA)
Supply Current, Output Enabled (uA)
Vin=5.5V
1.40 1.20
60
Vin=5.0V
55
Vin=5.5V
50 45 40
Vin=5.0V
1.00 0.80 0.60
Vin=3.3V
Vin=2.7V Vin=3.3V
Vin=2.7V
0.40 0.20 0.00
35 30 -60 -40 -20 0 20 40 60 80 100
-45
-25
-5
15
35
55
75
95
Ambient Temperature (C)
Ambient Temperature (C)
Static Drain-Source On-State Resistance vs Ambient Temperature
200 190
710
Short-Circuit Output Current vs Ambient Temperature
Short-Circuit Output Current (mA)
Static Drain-Source On-State Resistance (m)
700
180 170 160 150 140 130 120 110 100 -60
Vin=2.7V
690 680 670 660 650 640 630
Vin=3.3V
Vin=5.0V
Vin=2.7V
Vin=3.3V
Vin=5.5V
Vin=5V
-40 -20 0 20 40 60 80 100
-60
-40
-20
0
20
40
60
80
100
Ambient Temperature (C)
Ambient Temperature (C)
AP2161D/2171D
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AP2161D/AP2171D
1A SINGLE CHANNEL CURRENT-LIMITED POWER SWITCH WITH OUTPUT DISCHARGE Typical Performance Characteristics (Continued)
Undervoltage Lockout vs Ambient Temperature
2.05 2.04
1.15
Threshold Trip Current vs Input Voltage
Threshold Trip Current (A)
Undervoltage Lockout (V)
2.03
1.14
UVLO Rising
2.02 2.01 2.00 1.99 1.98 1.97 1.96 1.95 -60 -40 -20 0 20 40 60 80 100
1.13
NEW PRODUCT
UVLO Falling
1.12
TA=25C
1.11
CL=22uF
1.10 2.8 3.3 3.8 4.3 4.8 5.3
Ambient Temperature (C)
Input Voltage (V)
AP2161D/2171D
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AP2161D/AP2171D
1A SINGLE CHANNEL CURRENT-LIMITED POWER SWITCH WITH OUTPUT DISCHARGE Application Note
The AP2161D and AP2171D are integrated high-side power switches optimized for Universal Serial Bus (USB) that requires protection functions. The power switches are equipped with a driver that controls the gate voltage and incorporates slew-rate limitation. This, along with the various protection features and special functions, makes these power switches ideal for hot-swap or hot-plug applications.
Protection Features: Under-voltage Lockout (UVLO)
Under-voltage lockout function (UVLO) guarantees that the internal power switch is initially off during start-up. The UVLO functions only when the switch is enabled. Even if the switch is enabled, the switch is not turned ON until the power supply has reached at least 1.9V. Whenever the input voltage falls below approximately 1.9V, the power switch is turned off. This facilitates the design of hot-insertion systems where it is not possible to turn off the power switch before input power is removed.
NEW PRODUCT
Over-current and Short Circuit Protection
An internal sensing FET is employed to check for over-current conditions. Unlike current-sense resistors, sense FETs do not increase the series resistance of the current path. When an over-current condition is detected, the device maintains a constant output current and reduces the output voltage accordingly. Complete shutdown occurs only if the fault stays long enough to activate thermal limiting. The different overload conditions and the corresponding response of the AP2161D/2171D are outlined below: S.NO 1 Conditions Short circuit condition at start-up Explanation Output is shorted before input voltage is applied or before the part is enabled Short-Circuit or Overload condition that occurs when the part is enabled. Behavior of the AP2161D/2171D The IC senses the short circuit and immediately clamps output current to a certain safe level namely ILIMIT. * At the instance the overload occurs, higher current may flow for a very short period of time before the current limit function can react. * After the current limit function has tripped (reached the over-current trip threshold), the device switches into current limiting mode and the current is clamped at ILIMIT. The current rises until ITRIG or thermal limit. Once the threshold has been reached, the device switches into its current limiting mode and is set at ILIMIT.
2
Short-circuit or overcurrent condition
3
Gradual increase from nominal operating current to ILIMIT
Load increases gradually until the current-limit threshold.(ITRIG)
Note that when the output has been shorted to GND at extremely low temperature (< -30oC), a minimum 120-F electrolytic capacitor on the output pin is recommended. A correct capacitor type with capacitor voltage rating and temperature characteristics must be properly chosen so that capacitance value does not drop too low at the extremely low temperature operation. A recommended capacitor should have temperature characteristics of less than 10% variation of capacitance change when operated at extremely low temp. Our recommended aluminum electrolytic capacitor type is Panasonic FC series.
AP2161D/2171D
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AP2161D/AP2171D
1A SINGLE CHANNEL CURRENT-LIMITED POWER SWITCH WITH OUTPUT DISCHARGE Application Note (Continued)
Thermal Protection
Thermal protection prevents the IC from damage when the die temperature exceeds safe margins. This mainly occurs when heavy-overload or short-circuit faults are present for extended periods of time. The AP2161D/AP2171D implements a thermal sensing to monitor the operating junction temperature of the power distribution switch. Once the die temperature rises to approximately 140C, the Thermal protection feature gets activated as follows: The internal thermal sense circuitry turns the power switch off and the FLG output is asserted thus preventing the power switch from damage. Hysteresis in the thermal sense circuit allows the device to cool down to approximately 25C before the output is turned back on. This built-in thermal hysteresis feature is an excellent feature, as it avoids undesirable oscillations of the thermal protection circuit. The switch continues to cycle in this manner until the load fault is removed, resulting in a pulsed output. The FLG open-drain output is asserted when an over-current occurs with 7-ms deglitch.
NEW PRODUCT
Reverse Current Protection
In a normal MOSFET switch, current can flow in reverse direction (from the output side to the input side) when the output side voltage is higher than the input side, even when the switch is turned off. A reverse-current blocking feature is implemented in the AP21x1 series to prevent such back currents. This circuit is activated by the difference between the output voltage and the input voltage. When the switch is disabled, this feature blocks reverse current flow from the output back to the input.
Special Functions: Discharge Function
When enable is de-asserted, the discharge function is active. The output capacitor is discharged through an internal NMOS that has a discharge resistance of 100. Hence, the output voltage drops down to zero. The time taken for discharge is dependent on the RC time constant of the resistance and the output capacitor.
FLG Response
The FLG open-drain output goes active low for any of the two conditions: Over-Current or Over-Temperature. The time from when a fault condition is encountered to when the FLG output goes low is 7-ms (TYP). The FLG output remains low until both over-current and over-temperature conditions are removed. Connecting a heavy capacitive load to the output of the device can cause a momentary Over-current condition, which does not trigger the FLG due to the 7-ms deglitch timeout. This 7-ms timeout is also applicable for Over-current recovery and Thermal recovery. The AP2161D/AP2171D is designed to eliminate erroneous Over-current reporting without the need for external components, such as an RC delay network.
Applications Information: Power Supply Considerations
A 0.01-F to 0.1-F X7R or X5R ceramic bypass capacitor between IN and GND, close to the device, is recommended. This limits the input voltage drop during line transients. Placing a high-value electrolytic capacitor on the input (10-F minimum) and output pin(s) is recommended when the output load is heavy. This precaution also reduces power-supply transients that may cause ringing on the input. Additionally, bypassing the output with a 0.01-F to 0.1-F ceramic capacitor improves the immunity of the device to short-circuit transients. This capacitor also prevents output from going negative during turn-off due to inductive parasitics.
AP2161D/2171D
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AP2161D/AP2171D
1A SINGLE CHANNEL CURRENT-LIMITED POWER SWITCH WITH OUTPUT DISCHARGE Application Note (Continued)
Power Dissipation and Junction Temperature
The low on-resistance of the internal MOSFET allows the small surface-mount packages to pass large current. Using the maximum operating ambient temperature (TA) and RDS(ON), the power dissipation can be calculated by: PD = RDS(ON)x I2 Finally, calculate the junction temperature: TJ = PD x RJA + TA
NEW PRODUCT
Where: TA= Ambient temperature C RJA = Thermal resistance PD = Total power dissipation
Generic Hot-Plug Applications
In many applications it may be necessary to remove modules or pc boards while the main unit is still operating. These are considered hot-plug applications. Such implementations require the control of current surges seen by the main power supply and the card being inserted. The most effective way to control these surges is to limit and slowly ramp the current and voltage being applied to the card, similar to the way in which a power supply normally turns on. Due to the controlled rise times and fall times of the AP2161D/AP2171D, these devices can be used to provide a softer start-up to devices being hot-plugged into a powered system. The UVLO feature of the AP2161D/AP2171D also ensures that the switch is off after the card has been removed, and that the switch is off during the next insertion. By placing the AP2161D/AP2171D between the VCC input and the rest of the circuitry, the input power reaches these devices first after insertion. The typical rise time of the switch is approximately 1ms, providing a slow voltage ramp at the output of the device. This implementation controls system surge current and provides a hotplugging mechanism for any device.
Ordering Information
AP 21 X 1 D XX G - X
Enable 6 : Active Low 7 : Active High Channel 1 : 1 Channel Package S : SO-8 MP : MSOP-8-EP W : SOT25 FM : DFN2018-6 Green G : Green Packing 7/13 : Tape & Reel
Device AP21X1DSG-13 AP21X1DMPG-13 AP21X1DWG-7 AP21X1DFMG-7
Notes:
Package Code S MP W FM
Packaging (Note 6) SO-8 MSOP-8-EP SOT25 DFN2018-6
7"/13" Tape and Reel Quantity Part Number Suffix 2500/Tape & Reel -13 2500/Tape & Reel -13 3000/Tape & Reel -7 3000/Tape & Reel -7
6. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf.
AP2161D/2171D
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AP2161D/AP2171D
1A SINGLE CHANNEL CURRENT-LIMITED POWER SWITCH WITH OUTPUT DISCHARGE Marking Information
(1) SO-8
( Top View ) 8 Logo Part Number 6 : Active Low 7 : Active High 7 6 5 1 : 1 Channel YY : Year : 08, 09,10~ WW : Week : 01~52; 52 represents 52 and 53 week X : Internal Code G : Green 4
AP21X X D
YY WW X X
NEW PRODUCT
1
(2) MSOP-8-EP
2
3
( Top View ) 8 Logo Part Number 6 : Active Low 7 : Active High 1 7 6 5 A~Z : Green MSOP-8-EP Y : Year : 0~9 W : Week : a~z : 1~26 week; A~Z : 27~52 week; Z represents 52 and 53 week 1 : 1 Channel
YWXE
AP21X X D
2 3 4
(3) SOT25
( Top View )
5
4
7
XX Y W X 1 2 3
XX : Identification code Y : Year 0~9 W : Week : A~Z : 1~26 week; a~z : 27~52 week; z represents 52 and 53 week X : A~Z : Green
Device AP2161DW AP2171DW
Package type SOT25 SOT25
Identification Code JC JD
AP2161D/2171D
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AP2161D/AP2171D
1A SINGLE CHANNEL CURRENT-LIMITED POWER SWITCH WITH OUTPUT DISCHARGE Marking Information (Continued)
(4) DFN2018-6
(Top View) XX YWX XX : Identification Code Y : Year : 0~9 W : Week : A~Z : 1~26 week; a~z : 27~52 week; z represents 52 and 53 week X : A~Z : Green
Identification Code JC JD
NEW PRODUCT
Device AP2161DFM AP2171DFM
Package type DFN2018-6 DFN2018-6
Package Outline Dimensions (All Dimensions in mm)
(1) Package type: SO-8
3.85/3.95
5.90/6.10
0.10/0.20
0.254 0.62/0.82
Gauge Plane Seating Plane
Detail "A"
7~9 1.30/1.50 1.75max. 0.15/0.25
0.35max. 45
7~9
Detail "A"
0/8
1.27typ 4.85/4.95
0.3/0.5
8x-0.60 5.4 6x-1.27 8x-1.55
Land Pattern Recommendation (Unit: mm)
AP2161D/2171D
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AP2161D/AP2171D
1A SINGLE CHANNEL CURRENT-LIMITED POWER SWITCH WITH OUTPUT DISCHARGE Package Outline Dimensions (Continued)
(2) Package type: MSOP-8-EP
8x-0.45 2.9/3.1 4.7/5.1 4.4 6x-0.65 8x-1.4 1
EXPOSED PAD (BOTTOM)
NEW PRODUCT
1 0.75/0.95 1.10Max. 0.15Typ. 0.65Bsc. 0.22/0.38
Land Pattern Recommendation (Unit:mm) "A"
1
EXPOSED PAD (BOTTOM) 0.05/0.15 0.4/0.8 0.95Ref. DETAIL "A"
0.25 Gauge plane
0 / 8
0.05 2.9/3.1
1.65/1.95
(3) Package type: SOT25
1.35/1.65
AP2161D/2171D
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AP2161D/AP2171D
1A SINGLE CHANNEL CURRENT-LIMITED POWER SWITCH WITH OUTPUT DISCHARGE Package Outline Dimensions (Continued)
(4) Package type: DFN2018-6
0.13Typ
0.47/0.53
6X-
0/0.05
0.10 C 0.08 C
Seating Plane 2X0.25 A
Side View
C
C L
NEW PRODUCT
C L
0.2/0.3
C L
Pin #1 ID 1.95/2.075 1.3/1.5
C L
6x-0.35
Pin #1 0.20
0.9/1.1
6x-0.25
4x-0.50 1.600
Land Pattern Recommendation (Unit:mm) 2X0.25 B
0.50Typ 0.15/0.25 0.10
Top View
CAB
Bottom View
AP2161D/2171D
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1.20
B
1.75/1.875
A
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AP2161D/AP2171D
1A SINGLE CHANNEL CURRENT-LIMITED POWER SWITCH WITH OUTPUT DISCHARGE Taping Orientation (Note 7)
For DFN2018-6
NEW PRODUCT
Notes:
7. The taping orientation of the other package type can be found on our website at http://www.diodes.com/datasheets/ap02007.pdf
AP2161D/2171D
Document number: DS32250 Rev. 1 - 2
17 of 18 www.diodes.com
June 2010
(c) Diodes Incorporated
AP2161D/AP2171D
1A SINGLE CHANNEL CURRENT-LIMITED POWER SWITCH WITH OUTPUT DISCHARGE
IMPORTANT NOTICE DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION). Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or trademark rights, nor the rights of others. Any Customer or user of this document or products described herein in such applications shall assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on Diodes Incorporated website, harmless against all damages. Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel. Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized application. Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings noted herein may also be covered by one or more United States, international or foreign trademarks. LIFE SUPPORT Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein: A. Life support devices or systems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in significant injury to the user. B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or to affect its safety or effectiveness.
NEW PRODUCT
Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems. Copyright (c) 2010, Diodes Incorporated www.diodes.com
AP2161D/2171D
Document number: DS32250 Rev. 1 - 2
18 of 18 www.diodes.com
June 2010
(c) Diodes Incorporated

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