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Preliminary Datasheet HIGH PERFORMANCE POWER FACTOR CORRECTOR General Description
The AP1661A is an active power factor control IC which is designed mainly for use as pre-converter in electronic ballast, AC-DC adapters and off-line SMPS applications. The AP1661A includes an internal start-up timer for stand-alone applications, a one-quadrant multiplier to realize near unity power factor and a zero current detector to ensure DCM boundary conduction operation. The totem pole output stage is capable of driving power MOSFET with 600mA source current and 800mA sink current. Designed with advanced BiCMOS process, the AP1661A features low start-up current, low operation current and low power dissipation. The AP1661A also has rich protection features including over-voltage protection, input under-voltage lockout with hysteresis and multiplier output clamp to limit maximum peak current. The AP1661A meets IEC61000-3-2 standard even at one-quadrant load and its THD is lower than 10% at high-end line voltage and full load. This IC is available in SOIC-8 and DIP-8 packages.
AP1661A
Features
* * * * * * * * * * * Comply with IEC61000-3-2 Standard Proprietary Design for Minimum THD Zero Current Detection Control for DCM Boundary Conduction Mode Adjustable Output Voltage with Precise OverVoltage Protection Ultra-low Startup Current: 30A Typical Low Quiescent Current: 2.5mA Typical Precision Internal Reference Voltage: 1% Internal Startup Timer Disable Function for Reduced Current Consumption Totem Pole Output with 600mA Source Current and 800mA Sink Current Capability Under-voltage Lockout with 2.5V of Hysteresis
Applications
* * * AC-DC Adapter Off-line SMPS Electronic Ballast
SOIC-8
DIP-8
Figure 1. Package Types of AP1661A
Jul. 2009 Rev. 1. 0 1
BCD Semiconductor Manufacturing Limited
Preliminary Datasheet HIGH PERFORMANCE POWER FACTOR CORRECTOR Pin Configuration AP1661A
M Package (SOIC-8)
P Package (DIP-8)
INV COMP MULT CS
1 2 3 4
8 7 6 5
INV VCC GD GND ZCD COMP MULT CS
1 2 3 4
8 7 6 5
VCC GD GND ZCD
Figure 2. Pin Configuration of AP1661A (Top View)
Pin Description
Pin Number 1 2 3 4 5 6 7 8 Pin Name INV COMP MULT CS ZCD GND GD VCC Output of the error amplifier Input of the multiplier Input of the current control loop comparator Zero current detection input. If it is connected to GND, the device is disabled Ground. Current return for gate driver and control circuits of the IC Gate driver output Supply voltage of gate driver and control circuits of the IC Function Inverting input of the error amplifier
Jul. 2009 Rev. 1. 0 2
BCD Semiconductor Manufacturing Limited
Preliminary Datasheet HIGH PERFORMANCE POWER FACTOR CORRECTOR Functional Block Diagram
COMP 2 2.5V MULT 3 Multiplier 4 CS
AP1661A
INV
1
Voltage Regulation VCC 8
Over Voltage Detection RQ S
VCC
Internal R1 Supply 7V UVLO R2 Vref Zero Current Detector
7 Driver GD
2.1V 1.6V
Starter
Disable 5 ZCD 6 GND
Figure 3. Functional Block Diagram of AP1661A
Ordering Information
AP1661A G1: Green Circuit Type Package M: SOIC-8 P: DIP-8
Package SOIC-8 DIP-8 Temperature Range -40 to 85oC -40 to 85oC Part Number AP1661AM-G1 AP1661AMTR-G1 AP1661AP-G1
TR: Tape and Reel Blank: Tube
Marking ID 1661AM-G1 1661AM-G1 AP1661AP-G1
Packing Type Tube Tape & Reel Tube
BCD Semiconductor's Pb-free products, as designated with "G1" suffix in the part number, are RoHS compliant and green.
Jul. 2009 Rev. 1. 0 3
BCD Semiconductor Manufacturing Limited
Preliminary Datasheet HIGH PERFORMANCE POWER FACTOR CORRECTOR Absolute Maximum Ratings (Note 1)
Parameter Power Supply Voltage Operating Supply Current Driver Output Current Input/Output of Error Amplifier, Input of Multiplier Current Sense Input Zero Current Detector Input Thermal Resistance Junction-Ambient Power Dissipation and Thermal Characteristics @ TA=50oC Operating Junction Temperature Storage Temperature Range Lead Temperature (Soldering, 10 Seconds) ESD (Human Body Model) ESD (Machine Model) Symbol VCC ICC IOUT VINV, VCOMP, VMULT VCS IZCD RJA PTOT TJ TSTG TLEAD Source Sink DIP-8 SOIC-8 DIP-8 SOIC-8 -40 to150 -65 to 150 260 3000 300 Value 20 30 Unit V mA mA V V -50 10 100 150 1 0.65 W
oC oC o
AP1661A
800
-0.3 to 7 -0.3 to 7
mA
oC/W
C
V V
Note 1: Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "Recommended Operating Conditions" is not implied. Exposure to "Absolute Maximum Ratings" for extended periods may affect device reliability.
Jul. 2009 Rev. 1. 0 4
BCD Semiconductor Manufacturing Limited
Preliminary Datasheet HIGH PERFORMANCE POWER FACTOR CORRECTOR Electrical Characteristics
VCC=14.5V, TA=-25oC to 125oC, unless otherwise specified. Parameter Turn-on Threshold Turn-off Threshold Hysterisis VCC Operating Range Total Supply Section Start-up Current Operating Supply Current Quiescent Current Quiescent Current VCC Zener Voltage Error Amplifier Section Voltage Feedback Input Threshold Line Regulation Input Bias Current Voltage Gain Gain Bandwidth Output Voltage Upper Clamp Voltage Lower Clamp Voltage Source Current Sink Current IINV GV GB VCOMP-H VCOMP-L ICOMP-H ICOMP-L VINV-TH VMULT ISOURCE=0.5mA ISINK=0.5mA VCOMP=4V, VINV=2.4V VCOMP=4V, VINV=2.6V -2 2.5 400 0 to 3 VMULT: 0 to 0.5V, VCOMP=Upper Clamp Voltage VMULT=1V, VCOMP=4V 0.45 VINV TA=25oC 10.3VVCC-OFF Vpin5150mV, VCCAP1661A
Under Voltage Lockout Section
Output Current
Enable Threshold Multiplier Section Linear Input Voltage Range Output Maximum Slope Gain
VCS/ VMULT
k
Jul. 2009 Rev. 1. 0 5
BCD Semiconductor Manufacturing Limited
Preliminary Datasheet HIGH PERFORMANCE POWER FACTOR CORRECTOR Electrical Characteristics (Continued)
VCC=14.5V, TA=-25oC to 125oC, unless otherwise specified. Parameter Current Sense Section Input Bias Current Current Sense Offset Voltage Current Sense Reference Clamp Delay to Output ICS VCS-OFFSET VCS-CLAMP td(H-L) VCS =0V VMULT=0V VMULT=2.5V VCOMP=Upper Clamp Voltage, VMULT=2.5V 1.5 -0.05 30 5 1.6 175 1.7 V ns -1.0 A mV Symbol Test Conditions Min Typ Max Unit
AP1661A
Zero Current Detection Section Input Threshold Voltage, VZCD Rising Edge Hysteresis Voltage Upper Clamp Voltage Lower Clamp Voltage Source Current Capability Sink Current Capability Sink Bias Current Disable Threshold Disable Hysterisis Restart Current After Disable Drive Output Section Dropout Voltage VOH VOL Output Voltage Rise Time Output Voltage Fall Time Output Clamp Voltage UVLO Saturation Output Over Voltage Section OVP Triggering Current Static OVP Threshold Restart Timer Restart Timer tSTART 70 150 400 s IOVP VOVP_TH 35 2.1 40 2.25 45 2.4 A V tR tF VO-CLAMP VOS IGD-SOURCE=200mA, VCC=12V IGD-SOURCE=20mA, VCC=12V IGD-SINK=200mA, VCC=12V CL=1nF CL=1nF IGD-SOURCE=5mA, VCC=20V VCC=0 to VCC-ON, ISINK=10mA 10 2.5 2 0.9 40 40 13 3 2.6 1.9 100 100 15 1.1 V ns ns V V V VZCD-R VZCD-RTH VZCD-H VZCD-L IZCD-SR IZCD-SN IZCD-B VZCD-DIS VZCD-HYS IZCD-RES VZCDVCC-OFF -100 1VVZCD4.5 V 150 (Note 2) (Note 2) IZCD=20A IZCD=3mA IZCD=-3mA 0.3 4.5 4.7 0.3 -3 3 2 200 100 -200 -300 250 2.1 0.5 5.1 5.2 0.65 0.7 5.9 6.1 1 -10 10 V mA mA A mV mV A V V V
Note 2: Limits over the full temperature are guaranteed by design, but not tested in production. Jul. 2009 Rev. 1. 0 6 BCD Semiconductor Manufacturing Limited
Preliminary Datasheet HIGH PERFORMANCE POWER FACTOR CORRECTOR Typical Performance Characteristics AP1661A
40 38
2.55 2.54
Feedback Input Threshold (V)
OVP Current Threshold (A)
36 34 32 30 28 26 24 22 20 -40
2.53 2.52 2.51 2.50 2.49 2.48 2.47 2.46 2.45
-20
0
20
40
60
o
80
100
120
140
-40
-20
0
20
40
60
o
80
100
120
140
Temperature ( C)
Temperature ( C)
Figure 4. OVP Current Threshold vs. Temperature
Figure 5. Feedback Input Threshold vs. Temperature
42 40
13.0 VCC ON
12.5
UVLO Threshold (V)
38
Startup Current (A)
36 34 32 30 28 26
12.0
11.5
11.0
10.5
VCC OFF
10.0
24 22 -40 -20 0 20 40 60
o
80
100
120
140
9.5 -40
-20
0
20
40
60
o
80
100
120
140
Temperature ( C)
Temperature ( C)
Figure 6. Startup Current vs. Temperature
Figure 7. Under Voltage Lockout Threshold vs. Temperature
Jul. 2009 Rev. 1. 0 7
BCD Semiconductor Manufacturing Limited
Preliminary Datasheet HIGH PERFORMANCE POWER FACTOR CORRECTOR Typical Performance Characteristics (Continued) AP1661A
4.5 4.0
-0.5
Output Saturation Voltage (V)
Output Saturation Voltage (V)
-1.0
3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 100 200 300 400 500
-1.5
-2.0
-2.5
-3.0
-3.5 0 100 200 300 400 500
Sink Current (mA)
Source Current (mA)
Figure 8. Output Saturation Voltage vs. Sink Current
Figure 9. Output Saturation Voltage vs. Source Current
5
4
3
2
1
0 0 5 10 15 20 25
1.7 1.6 1.5 1.4 1.3 1.2 1.1 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0.0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2
VCOMP=2.6V
VCOMP=2.8V
VCOMP=3.0V
Supply Current (mA)
VCOMP=3.2V
VCOMP=3.5V
VCS (V)
VCOMP=4V
VCOMP=4.5V
VCOMP=5V
VCOMP=MAX
Supply Voltage (V)
VMULT (V)
Figure 10. Supply Current vs. Supply Voltage
Figure 11. Multiplier Characteristics Family
Jul. 2009 Rev. 1. 0 8
BCD Semiconductor Manufacturing Limited
Preliminary Datasheet HIGH PERFORMANCE POWER FACTOR CORRECTOR Mechanical Dimensions DIP-8 Unit: mm(inch)
0.700(0.028) 7.620(0.300)TYP 1.524(0.060) TYP
6
6
AP1661A
5
3.710(0.146) 4.310(0.170) 4
3.200(0.126) 3.600(0.142)
4
3.000(0.118) 3.600(0.142)
0.510(0.020)MIN
0.254(0.010)TYP 0.360(0.014) 0.560(0.022) 2.540(0.100) TYP 0.130(0.005)MIN
0.204(0.008) 0.360(0.014) 8.200(0.323) 9.400(0.370)
R0.750(0.030)
6.200(0.244) 6.600(0.260)
3.000(0.118) Depth 0.100(0.004) 0.200(0.008) 9.000(0.354) 9.400(0.370)
Note: Eject hole, oriented hole and mold mark is optional.
Jul. 2009 Rev. 1. 0 9
BCD Semiconductor Manufacturing Limited
Preliminary Datasheet HIGH PERFORMANCE POWER FACTOR CORRECTOR Mechanical Dimensions (Continued) SOIC-8 Unit: mm(inch) AP1661A
7
4.700(0.185) 5.100(0.201)
1.350(0.053) 1.750(0.069)
0.320(0.013)
8
7
8
0.675(0.027) 0.725(0.029)
D
5.800(0.228) 6.200(0.244)
D 20:1
1.270(0.050) TYP
0.100(0.004) 0.300(0.012) R0.150(0.006)
0.800(0.031) 0.200(0.008)
1.000(0.039) 3.800(0.150) 4.000(0.157)
0 8
0.330(0.013) 0.510(0.020)
0.190(0.007) 0.250(0.010) 0.900(0.035)
1 5
R0.150(0.006)
0.450(0.017) 0.800(0.031)
Note: Eject hole, oriented hole and mold mark is optional.
Jul. 2009 Rev. 1. 0 10
BCD Semiconductor Manufacturing Limited
BCD Semiconductor Manufacturing Limited
http://www.bcdsemi.com
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