Preliminary Datasheet HIGH PERFORMANCE POWER FACTOR CORRECTOR General Description Features 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. · · AP1661A 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: 30µA 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 · · · 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. AC-DC Adapter Off-line SMPS Electronic Ballast This IC is available in SOIC-8 and DIP-8 packages. SOIC-8 DIP-8 Figure 1. Package Types of AP1661A Jul. 2009 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 1 Preliminary Datasheet HIGH PERFORMANCE POWER FACTOR CORRECTOR AP1661A Pin Configuration M Package (SOIC-8) P Package (DIP-8) INV 1 8 VCC COMP 2 7 GD GND MULT 3 6 GND ZCD CS 4 5 ZCD INV 1 8 VCC COMP 2 7 GD MULT 3 6 CS 4 5 Figure 2. Pin Configuration of AP1661A (Top View) Pin Description Pin Number Pin Name 1 INV Function 2 COMP Output of the error amplifier 3 MULT Input of the multiplier 4 CS Inverting input of the error amplifier Input of the current control loop comparator 5 ZCD Zero current detection input. If it is connected to GND, the device is disabled 6 GND Ground. Current return for gate driver and control circuits of the IC 7 GD 8 VCC Gate driver output Supply voltage of gate driver and control circuits of the IC Jul. 2009 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 2 Preliminary Datasheet HIGH PERFORMANCE POWER FACTOR CORRECTOR AP1661A Functional Block Diagram COMP INV MULT 2 1 3 VCC 4 Multiplier 2.5V Voltage Regulation CS Over Voltage Detection VCC 8 R Q S Internal R1 Supply 7V 7 UVLO R2 Driver GD Vref Zero Current Detector 2.1V 1.6V Starter Disable 6 5 GND ZCD Figure 3. Functional Block Diagram of AP1661A Ordering Information AP1661A G1: Green Circuit Type Package M: SOIC-8 P: DIP-8 Package Temperature Range SOIC-8 -40 to 85oC DIP-8 -40 to 85oC TR: Tape and Reel Blank: Tube Part Number Marking ID Packing Type AP1661AM-G1 1661AM-G1 Tube AP1661AMTR-G1 1661AM-G1 Tape & Reel AP1661AP-G1 AP1661AP-G1 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 BCD Semiconductor Manufacturing Limited 3 Preliminary Datasheet HIGH PERFORMANCE POWER FACTOR CORRECTOR AP1661A Absolute Maximum Ratings (Note 1) Parameter Symbol Value Unit Power Supply Voltage VCC 20 V Operating Supply Current ICC 30 mA Driver Output Current IOUT ±800 mA -0.3 to 7 V -0.3 to 7 V Input/Output of Error Amplifier, Input of Multiplier Current Sense Input VINV, VCOMP, VMULT VCS Zero Current Detector Input IZCD Thermal Resistance Junction-Ambient RθJA Power Dissipation and Thermal Characteristics @ TA=50oC PTOT Operating Junction Temperature Storage Temperature Range Lead Temperature (Soldering, 10 Seconds) Source -50 Sink 10 DIP-8 100 SOIC-8 150 DIP-8 1 SOIC-8 0.65 mA oC/W W TJ -40 to150 oC TSTG -65 to 150 oC TLEAD 260 o C ESD (Human Body Model) 3000 V ESD (Machine Model) 300 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 BCD Semiconductor Manufacturing Limited 4 Preliminary Datasheet HIGH PERFORMANCE POWER FACTOR CORRECTOR AP1661A Electrical Characteristics VCC=14.5V, TA=-25oC to 125oC, unless otherwise specified. Parameter Symbol Test Conditions Min Typ Max Unit 11.7 12.5 13.3 V 9.5 10 10.5 V 2.2 2.5 2.8 V 20 V 60 µA Under Voltage Lockout Section Turn-on Threshold VCC-ON VCC rising Turn-off Threshold VCC-OFF VCC falling Hysterisis VCC-HYS VCC Operating Range VCC After turn-on 10.5 Total Supply Section Start-up Current Operating Supply Current ISTART-UP ICC Quiescent Current IQ Quiescent Current IQ VCC Zener Voltage VZ VCC=11.7V before turn-on 30 CL=1nF @frequency=70kHz 3.5 5 In OVP condition Vpin1=2.7V 1.4 2.1 2.5 3.75 mA Vpin5≤150mV, VCC>VCC-OFF mA 1.4 2.1 mA Vpin5≤150mV, VCC<VCC-OFF 20 50 90 µA ICC=20mA 20 22 24 V 2.465 2.5 2.535 Error Amplifier Section Voltage Feedback Input Threshold VINV Line Regulation TA=25oC 10.3V<VCC<20V VCC=10.3V to 20V Input Bias Current IINV VINV=0V Voltage Gain GV Open Loop Gain Bandwidth GB Output Voltage Output Current 2.44 60 V 2.56 2 5 mV -0.1 -1 µA 80 dB 1 MHz Upper Clamp Voltage VCOMP-H ISOURCE=0.5mA 5.8 Lower Clamp Voltage VCOMP-L ISINK=0.5mA 2.25 Source Current ICOMP-H VCOMP=4V, VINV=2.4V -2 -4 Sink Current ICOMP-L VCOMP=4V, VINV=2.6V 2.5 4.5 VINV-TH 400 500 VMULT 0 to 3 0 to 3.5 V Enable Threshold -8 600 mA mV Multiplier Section Linear Input Voltage Range Output Maximum Slope Gain ∆VCS/ ∆VMULT k VMULT: 0 to 0.5V, VCOMP=Upper Clamp Voltage VMULT=1V, VCOMP=4V Jul. 2009 Rev. 1. 0 V 1.7 0.45 0.6 0.75 1/V BCD Semiconductor Manufacturing Limited 5 Preliminary Datasheet HIGH PERFORMANCE POWER FACTOR CORRECTOR AP1661A Electrical Characteristics (Continued) VCC=14.5V, TA=-25oC to 125oC, unless otherwise specified. Parameter Symbol Test Conditions Min Typ Max Unit -0.05 -1.0 µA Current Sense Section Input Bias Current ICS Current Sense Offset Voltage VCS-OFFSET Current Sense Reference Clamp VCS-CLAMP Delay to Output VCS =0V VMULT=0V 30 VMULT=2.5V 5 VCOMP=Upper Clamp Voltage, VMULT=2.5V 1.5 td(H-L) 1.6 mV 1.7 V 175 ns 2.1 V Zero Current Detection Section Input Threshold Voltage, VZCD Rising Edge Hysteresis Voltage Upper Clamp Voltage VZCD-R (Note 2) VZCD-RTH (Note 2) 0.3 0.5 0.7 IZCD=20µA 4.5 5.1 5.9 IZCD=3mA 4.7 5.2 6.1 IZCD=-3mA 0.3 0.65 VZCD-H V V Lower Clamp Voltage VZCD-L 1 V Source Current Capability IZCD-SR -3 -10 mA Sink Current Capability IZCD-SN 3 10 mA 250 mV Sink Bias Current IZCD-B Disable Threshold VZCD-DIS Disable Hysterisis VZCD-HYS Restart Current After Disable IZCD-RES 1V≤VZCD≤4.5 V µA 2 150 200 100 VZCD<VDIS; VCC>VCC-OFF -100 -200 mV -300 µA Drive Output Section Dropout Voltage VOH VOL IGD-SOURCE=200mA, VCC=12V 2.5 3 IGD-SOURCE=20mA, VCC=12V 2 2.6 IGD-SINK=200mA, VCC=12V 0.9 1.9 V V Output Voltage Rise Time tR CL=1nF 40 100 ns Output Voltage Fall Time tF CL=1nF 40 100 ns 13 15 V 1.1 V Output Clamp Voltage UVLO Saturation VO-CLAMP VOS IGD-SOURCE=5mA, VCC=20V 10 VCC=0 to VCC-ON, ISINK=10mA Output Over Voltage Section OVP Triggering Current Static OVP Threshold IOVP 35 40 45 µA VOVP_TH 2.1 2.25 2.4 V tSTART 70 150 400 µs Restart Timer Restart Timer Note 2: Limits over the full temperature are guaranteed by design, but not tested in production. Jul. 2009 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 6 Preliminary Datasheet HIGH PERFORMANCE POWER FACTOR CORRECTOR AP1661A 40 2.55 38 2.54 Feedback Input Threshold (V) OVP Current Threshold (µA) Typical Performance Characteristics 36 34 32 30 28 26 24 2.52 2.51 2.50 2.49 2.48 2.47 2.46 22 20 -40 2.53 2.45 -20 0 20 40 60 80 100 120 -40 140 -20 0 20 60 80 100 120 140 Temperature ( C) Figure 4. OVP Current Threshold vs. Temperature Figure 5. Feedback Input Threshold vs. Temperature 13.0 42 40 VCC ON 12.5 UVLO Threshold (V) 38 Startup Current (µA) 40 o o Temperature ( C) 36 34 32 30 12.0 11.5 11.0 VCC OFF 10.5 28 26 10.0 24 9.5 -40 22 -40 -20 0 20 40 60 80 100 120 140 Figure 6. Startup Current vs. Temperature -20 0 20 40 60 80 100 120 140 o o Temperature ( C) Temperature ( C) Figure 7. Under Voltage Lockout Threshold vs. Temperature Jul. 2009 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 7 Preliminary Datasheet HIGH PERFORMANCE POWER FACTOR CORRECTOR AP1661A Typical Performance Characteristics (Continued) -0.5 4.5 Output Saturation Voltage (V) Output Saturation Voltage (V) 4.0 3.5 3.0 2.5 2.0 1.5 1.0 -1.0 -1.5 -2.0 -2.5 -3.0 0.5 -3.5 0.0 0 100 200 300 400 0 500 5 3 VCS (V) Supply Current (mA) 4 2 1 0 10 15 300 400 500 Figure 9. Output Saturation Voltage vs. Source Current Figure 8. Output Saturation Voltage vs. Sink Current 5 200 Source Current (mA) Sink Current (mA) 0 100 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 VCOMP=3.2V VCOMP=3.5V VCOMP=4V VCOMP=4.5V VCOMP=5V VCOMP=MAX VMULT (V) Supply Voltage (V) Figure 11. Multiplier Characteristics Family Figure 10. Supply Current vs. Supply Voltage Jul. 2009 Rev. 1. 0 BCD Semiconductor Manufacturing Limited 8 Preliminary Datasheet HIGH PERFORMANCE POWER FACTOR CORRECTOR AP1661A Mechanical Dimensions DIP-8 Unit: mm(inch) 0.700(0.028) 7.620(0.300)TYP 1.524(0.060) TYP 6° 5° 6° 3.200(0.126) 3.600(0.142) 3.710(0.146) 4.310(0.170) 4° 4° 0.510(0.020)MIN 3.000(0.118) 3.600(0.142) 0.204(0.008) 0.360(0.014) 8.200(0.323) 9.400(0.370) 0.254(0.010)TYP 2.540(0.100) TYP 0.360(0.014) 0.560(0.022) 0.130(0.005)MIN 6.200(0.244) 6.600(0.260) R0.750(0.030) Φ3.000(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 BCD Semiconductor Manufacturing Limited 9 Preliminary Datasheet HIGH PERFORMANCE POWER FACTOR CORRECTOR AP1661A Mechanical Dimensions (Continued) SOIC-8 4.700(0.185) 5.100(0.201) 7° Unit: mm(inch) 0.320(0.013) 1.350(0.053) 1.750(0.069) 8° 8° 7° 0.675(0.027) 0.725(0.029) D 5.800(0.228) 1.270(0.050) 6.200(0.244) TYP D 20:1 0.800(0.031) 0.300(0.012) R0.150(0.006) 0.100(0.004) 0.200(0.008) 0° 8° 1.000(0.039) 3.800(0.150) 4.000(0.157) 0.330(0.013) 0.190(0.007) 0.250(0.010) 1° 5° 0.510(0.020) 0.900(0.035) 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 BCD Semiconductor Manufacturing Limited 10 BCD Semiconductor Manufacturing Limited http://www.bcdsemi.com IMPORTANT NOTICE BCD Semiconductor Manufacturing Limited reserves the right to make changes without further notice to any products or specifications herein. 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