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FS6S0965RCB
Fairchild Power Switch(FPS)
Features
* * * * * * * * * * * * * * * Wide Operating Frequency Range up to 150kHz Lowest Cost SMPS Solution Lowest External Components Low Start up Current (Max:170uA) Low Operating Current (Max:15mA) Internal High Voltage SenseFET Built-in Auto Restart Circuit Over Voltage Protection (Auto Restart Mode) Over Load Protection (Auto Restart Mode) Over Current Protection (Auto Restart Mode) Internal Thermal Protection(Auto Restart Mode) Pulse By Pulse Over Current Limiting Internal Burst Mode Controller for Stand-by Mode Under Voltage Lockout With Hysteresis External Sync. Terminal
Description
The Fairchild Power Switch(FPS) product family are specially designed for an off line SMPS with minimal external components. The Fairchild Power Switch(FPS) consists of a high voltage power SenseFET and a current mode PWM IC. Included PWM controller features the integrated fixed oscillator, the under voltage lockout, the optimized gate turn on/turn off driver, the thermal shut down protection, the over voltage protection, and the temperature compensated precision current sources for the loop compensation and the fault protection circuitry. Compared to a discrete MOSFET and a controller or a RCC switching converter solution, a Fairchild Power Switch(FPS) can reduce the total component count, design size, and weight and at the same time increase efficiency, productivity, and system reliability. It has a basic platform well suited for the cost effective monitor power supply.
TO-220-5L
Application
* Monitor SMPS
1
1. Drain 2. Gnd 3. VCC 4. Feedback 5. Sync
Internal Block Diagram
Vcc
Vref
Drain
3
Vpp=5.8/7.2V OSC Internal Bias Vref Vfb Vth=1V Burst mode controller Vref
1
SoftStart & Sync
5
UVLO
S Q
Ron
Vcc Vth=11V/12V
R
Roff PWM
Feedback
4
Ifb
2.5R R Vcc Vfb Offset Rsenese
Vref
Idelay OLP Vth=7.5V Vcc Vth=30V OVP
OCL
Filter (130nsec)
TSD
(Tj=160 )
Vth=1V
2
GND
S
UVLO Reset (Vcc=9V)
Q
R
Rev.1.0.1
(c)2003 Fairchild Semiconductor Corporation
FS6S0965RCB
Absolute Maximum Ratings
(Ta=25C, unless otherwise specified) Parameter Drain-Gate Voltage (RGS=1M) Gate-Source (GND) Voltage Drain Current Pulsed
(2) (3)
Symbol VDGR VGS IDM EAS IAS ID ID VCC VFB VS_S PD(Watt H/S) Derating Tj TA TSTG
Value 650 30 32.4 515 25 8.1 5.1 35 -0.3 to VCC -0.3 to 10 155 1.243 +150 -25 to +85 -55 to +150
Unit V V ADC mJ A ADC ADC V V V W W/C C C C
Single Pulsed Avalanche Energy
Single Pulsed Avalanche Current (4) Continuous Drain Current (Tc = 25C) Continuous Drain Current (TC=100C) Supply Voltage Input Voltage Range Total Power Dissipation Operating Junction Temperature Operating Ambient Temperature Storage Temperature Range
Notes: 1. Tj=25C to 150C 2. Repetitive rating: Pulse width limited by maximum junction temperature 3. L=14.5mH, starting Tj=25C 4. L=13uH, starting Tj=25C
2
FS6S0965RCB
Electrical Characteristics (SenseFET part)
(Ta=25C unless otherwise specified) Parameter Drain-Source Breakdown Voltage Zero Gate Voltage Drain Current Static Drain-Source On Resistance (1) Forward Transconductance Input Capacitance Output Capacitance Reverse Transfer Capacitance Turn On Delay Time Rise Time Turn Off Delay Time Fall Time Total Gate Charge (Gate-Source+Gate-Drain) Gate-Source Charge Gate-Drain (Miller) Charge
Notes: 1.Pulse test : Pulse width 300S, duty 2% 1 2. S = --R
(2)
Symbol BVDSS IDSS RDS(ON) gfs Ciss Coss Crss td(on) tr td(off) tf Qg Qgs Qgd
Condition VGS=0V, ID=250A VDS=650V, VGS=0V VDS=520V VGS=0V, TC=125C VGS=10V, ID=1.8A VDS=50V, ID=1.8A VGS=0V, VDS=25V, f = 1MHz VDD=325V, ID=6.5A (MOSFET switching time is essentially independent of operating temperature) VGS=10V, ID=6.5A, VDS=520V (MOSFET switching time is essentially independent of operating temperature)
Min. 650 -
Typ. 1.0 1300 135 25 25 75 130 70 45 8 21
Max. 200 300 1.2 60 -
Unit V A A
S pF
nS
nC
3
FS6S0965RCB
Electrical Characteristics (Continued)
(Ta=25C unless otherwise specified) Parameter UVLO SECTION Start Threshold Voltage Stop Threshold Voltage OSCILLATOR SECTION Initial Frequency Voltage Stability Temperature Stability (4) Maximum Duty Cycle Minimum Duty Cycle FEEDBACK SECTION Feedback Source Current Shutdown Feedback Voltage Shutdown Delay Current SYNC & SOFTSTART SECTION Softstart Vortage Softstart Current Sync High Threshold Voltage Sync Low Threshold Voltage BURST MODE SECTION Burst Mode Low Threshold Voltage Burst Mode High Threshold Voltage Burst Mode Enable Feedback Voltage(4) Burst Mode Peak Current Limit(3) Burst Mode Frequency CURRENT LIMIT(SELF-PROTECTION)SECTION Peak Current Limit(3) PROTECTION SECTION Over Voltage Protection Over Current Latch Voltage (2) Thermal Shutdown Temperature(4) TOTAL DEVICE SECTION Start Up Current Operating Supply Current (1) ISTART IOP IOP(MIN) IOP(MAX) Vfb=GND, VCC=14V Vfb=GND, VCC=16V Vfb=GND, VCC=10V Vfb=GND, VCC=28V 10 15 mA 0.1 0.17 mA VOVP VOCL TSD Vcc 27V 27 0.9 140 30 1.0 160 33 1.1 V V C IOVER 5.28 6.0 6.72 A VBURL VBURH VBEN IBU_PK FBUR Vfb=0V Vfb=0V Vcc=10.5V Vcc=10.5V Vcc=10.5V, Vfb=0V 10.4 11.4 0.7 0.45 40 11.0 12.0 1.0 0.6 50 11.6 12.6 1.3 0.75 60 V V V V kHz VSS ISS VSYNCH VSYNCL Vfb=2 Vss=V Vcc=16V,Vfb=5V Vcc=16V,Vfb=5V 4.7 0.8 5.0 1.0 7.2 5.8 5.3 1.2 V mA V V IFB VSD Idelay VFB=GND Vfb 6.9V VFB=5V 0.7 6.9 1.6 0.9 7.5 2.0 1.1 8.1 2.4 mA V A FOSC FSTABLE FOSC DMAX DMIN 12V Vcc 23V -25C Ta 85C 22 0 0 92 25 1 5 95 28 3 10 98 0 kHz % % % % VSTART VSTOP VFB=GND VFB=GND 14 8 15 9 16 10 V V Symbol Condition Min. Typ. Max. Unit
Note: 1. These parameters are the current flowing in the control IC. 2. These parameters, although guaranteed, are tested in the EDS(wafer test) process. 3. These parameters indicate the inductor current. 4. These parameters, although guranteed at the design, are not tested in the mass production
4
FS6S0965RCB
Typical Performance Characteristics
Start Up Current vs. Temp
11.0
0.150
[mA]
[mA]
Operating Current vs. Temp
0.125
10.5
0.100
10.0
0.075
9.5
0.050 -25
0
25
50
75
100
125
150
9.0 -25
0
25
50
75
100
125
150
Temp
Temp
Figure 1. Start Up Current vs. Temp.
Figure 2. Operating Current vs. Temp.
16.0 [V]
Start Threshold Voltage vs. Temp
96.0
[%]
Maximum Duty vs. Temp
15.5
95.5
15.0
95.0
14.5
94.5
14.0 -25
0
25
50
75
100
125
150
94.0 -25
0
25
50
75
100
125
150
Temp
Temp
Figure 3. Start Threshold Voltage vs. Temp.
[KHz] 28 27
Figure 4. Stop Threshold Voltage vs. Temp.
[%]
Initial Freqency vs. Temp
96.0
Maximum Duty vs. Temp
95.5 26 25 24 94.5 23 22 -25 0 25 50 75 100 125 150 94.0 -25 0 25 50 75 100 125 150 95.0
Temp
Temp
Figure 5. Initial Frequency vs. Temp.
Figure 6. Maximum Duty vs. Temp.
5
FS6S0965RCB
Typical Performance Characteristics (Continued)
Feedback Offset Voltage vs. Temp
1.1 [mA] Feedback Source Current vs. Temp
0.45 0.40 0.35
[V]
1.0
0.9 0.30 0.25 0.20 -25 0.8
0
25
50
75
100
125
150
0.7 -25
0
25
50
75
100
125
150
Temp
Temp
Figure 7. Feedback Offset Voltage vs. Temp.
Figure 8. Feedback Source Current vs. Temp.
[V] ShutDown Feedback Voltage vs. Temp 7.60
2.4
[uA]
ShutDown Delay Current vs. Temp
2.2
7.55
2.0
7.50
1.8
7.45
1.6 -25
0
25
50
75
100
125
150
7.40 -25
0
25
50
75
100
125
150
Temp
Temp
Figure 9. Shutdown Delay Current vs. Temp.
[V]
Figure 10. Shutdown Feedback Voltage vs. Temp.
[V] 31.0
Softstart Voltage vs. Temp
OverVoltage Protection vs. Temp
5.02
5.01
30.5
5.00
30.0
4.99
29.5
4.98 -25
0
25
50
75
100
125
150
29.0 -25
0
25
50
75
100
125
150
Temp
Temp
Figure 11. Softstart Voltage vs. Temp.
Figure 12. Over Voltage Protection vs. Temp.
6
FS6S0965RCB
Typical Performance Characteristics (Continued)
[V] 11.2
Burst Mode Low Voltage vs. Temp
12.2
[V]
Burst Mode High Voltage vs. Temp
11.1
12.1
11.0
12.0
10.9
11.9
10.8 -25
0
25
50
75
100
125
150
11.8 -25
0
25
50
75
100
125
150
Temp
Temp
Figure 13. Burst Mode Low Voltage vs. Temp.
Figure 14. Burst Mode High Voltage vs. Temp.
[V] Burst ModeEnable Voltage vs. Temp
[KHz] 54
Burst Mode Freqency vs. Temp
1.3 1.2
52 1.1 50 1.0 0.9 48 0.8 46 -25 0 25 50 75 100 125 150 0.7 -25 0 25 50 75 100 125 150
Temp
Temp
Figure 15. Burst Mode Frequency vs. Temp.
Figure 16. Burst Mode Enable Voltage vs. Temp.
[A] 0.70
[A] 6.2
Over Current Limit vs. Temp
0.65
6.1
0.60
6.0
0.55
5.9
0.50 -25
0
25
50
75
100
125
150
5.8 -25
0
25
50
75
100
125
150
Temp
Temp
Figure 17. Burst Mode Peak Current vs. Temp.
Figure 18. Over Current Limit vs. Temp.
7
FS6S0965RCB
Package Dimensions
TO-220-5L
8
FS6S0965RCB
Package Dimensions (Continued)
TO-220-5L(Forming)
9
FS6S0965RCB
Ordering Information
Product Number FS6S0965RCBTU FS6S0965RCBYDTU
TU : Non Forming Type YDTU : Forming Type
Package TO-220-5L TO-220-5L(Forming)
Marking Code 6S0965RC B
BVdss 650V
Rds(on) 1.0
DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user.
www.fairchildsemi.com 8/25/03 0.0m 001 Stock#DSxxxxxxxx 2003 Fairchild Semiconductor Corporation
2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.

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