AP1661 active power factor control which designed mainly pre-converter
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Data Sheet POWER FACTOR CORRECTION CONTROLLER General Description
AP1661 active power factor control which designed mainly pre-converter electronic ballast, AC-DC adapters off-line SMPS applications. AP1661 includes internal start-up timer stand-alone applications, one-quadrant multiplier realize near unity power factor zero current detector ensure boundary conduction operation. totem pole output stage capable driving power MOSFET with 600mA source current 800mA sink current. Designed with advanced BiCMOS process, AP1661 features start-up current, operation current power dissipation. AP1661 also rich protection features including over-voltage protection, input under-voltage lockout with hysteresis multiplier output clamp limit maximum peak current. This available SOIC-8 DIP-8 packages.
AP1661
Zero Current Detection Control Boundary Conduction Mode Adjustable Output Voltage with Precise OverVoltage Protection Start-up Current with Typical Value Operating Supply Current with Typical Value Precision Internal Reference Voltage Internal Start-up Timer Disable Function Reduced Current Consumption Totem Pole Output with 600mA Source Current 800mA Sink Current Capability Under-Voltage Lockout with 2.5V Hysteresis
Applications
AC-DC Adapter Off-line SMPS Electronic Ballast
SOIC-8
DIP-8
Figure Package Types AP1661
Aug. 2008 Rev.
Semiconductor Manufacturing Limited
Data Sheet POWER FACTOR CORRECTION CONTROLLER Configuration AP1661
Package/P Package (SOIC-8/DIP-8)
COMP MULT
Figure Configuration AP1661 (Top View)
Description
Number Name COMP MULT Output error amplifier Input multiplier Input current control loop comparator Zero current detection input. connected GND, device disabled Ground. Current return gate driver control circuits Gate driver output Supply voltage gate driver control circuits Function Inverting input error amplifier
Aug. 2008 Rev.
Semiconductor Manufacturing Limited
Data Sheet POWER FACTOR CORRECTION CONTROLLER Functional Block Diagram
COMP Multiplier MULT
AP1661
Voltage Regulation
Overvoltage Detection
Internal Supply 7.5V
Driver Vref Zero Current Detector 2.1V 1.6V Enable
Figure Functional Block Diagram AP1661
Starter
Disable
Ordering Information
AP1661 Lead Free Green Tape Reel Blank: Tube
Circuit Type Package SOIC-8 DIP-8
Package Temperature Range 85oC 85oC Part Number Lead Free AP1661M-E1 AP1661MTR-E1 AP1661P-E1 Green AP1661M-G1 AP1661MTR-G1 AP1661P-G1
Marking Lead Free 1661M-E1 1661M-E1 AP1661P-E1 Green 1661M-G1 1661M-G1 AP1661P-G1
Packing Type Tube Tape Reel Tube
SOIC-8 DIP-8
Semiconductor's Pb-free products, designated with "E1" suffix part number, RoHS compliant. Products with "G1" suffix available green packages.
Aug. 2008 Rev.
Semiconductor Manufacturing Limited
Data Sheet POWER FACTOR CORRECTION CONTROLLER Absolute Maximum Ratings (Note
Parameter Power Supply Voltage Operating Supply Current Driver Output Current Input/Output Error Amplifier, Input Multiplier Current Sense Input Zero Current Detector Input Thermal Resistance Junction-Ambient Power Dissipation Thermal Characteristics TA=50oC Operating Junction Temperature Storage Temperature Range Lead Temperature (Soldering, Seconds) (Human Body Model) (Machine Model) Symbol IOUT VINV, VCOMP, VMULT IZCD PTOT TSTG TLEAD Source Sink DIP-8 SOIC-8 DIP-8 SOIC-8 to150 3000 Value Unit 0.65
AP1661
±800
-0.3 -0.3
oC/W
Note Stresses greater than those listed under "Absolute Maximum Ratings" cause permanent damage device. These stress ratings only, functional operation device these other conditions beyond those indicated under "Recommended Operating Conditions" implied. Exposure "Absolute Maximum Ratings" extended periods affect device reliability.
Aug. 2008 Rev.
Semiconductor Manufacturing Limited
Data Sheet POWER FACTOR CORRECTION CONTROLLER Electrical Characteristics
VCC=14.5V, TA=-25oC 125oC, unless otherwise specified. Parameter Turn-on Threshold Turn-off Threshold Hysterisis Operating Range Total Supply Section Start-up Current Operating Supply Current Quiescent Current Quiescent Current 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 VCOMP-H VCOMP-L ICOMP-H ICOMP-L VINV-TH VMULT VMULT: 0.5V, VCOMP=Upper Clamp Voltage VMULT=1V, VCOMP=4V 0.45 0.75 ISOURCE=0.5mA ISINK=0.5mA VCOMP=4V, VINV=2.4V VCOMP=4V, VINV=2.6V VINV TA=25 10.3V<VCC<20V VCC=10.3V VINV=0V Open Loop 2.465 2.44 -0.1 2.25 2.535 2.56 ISTART-UP Vpin5150mV, VCC>VCC-OFF Vpin5150mV, VCC<VCC-OFF ICC=20mA VCC=11V before turn-on CL=1nF @frequency=70KHz condition Vpin1=2.7V Symbol VCC-ON VCC-OFF VCC-HYS After turn-on Test Conditions rising falling 10.3 10.3 Unit
AP1661
Under Voltage Lockout Section
Output Current
Enable Threshold Multiplier Section Linear Input Voltage Range Output Maximum Slope Gain
VCS/ VMULT
Aug. 2008 Rev.
Semiconductor Manufacturing Limited
Data Sheet POWER FACTOR CORRECTION CONTROLLER Electrical Characteristics (Continued)
VCC=14.5V, TA=-25oC 125oC, unless otherwise specified. Parameter Current Sense Section Input Bias Current Current Sense Offset Voltage Current Sense Reference Clamp Delay Output VCS-OFFSET VCS-CLAMP td(H-L) VMULT=0V VMULT=2.5V VCOMP=Upper Clamp Voltage, VMULT=2.5V -0.05 -1.0 Symbol Test Conditions Unit
AP1661
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 Output Voltage Rise Time Output Voltage Fall Time Output Clamp Voltage UVLO Saturation Output Over Voltage Section Triggering Current Static Threshold Restart Timer Restart Timer tSTART IOVP VOVP_TH 2.25 VO-CLAMP IGD-SOURCE=200 VCC=12V IGD-SOURCE=20 VCC=12V IGD-SINK=200 VCC=12V CL=1nF CL=1nF IGD-SOURCE=5 VCC=20V VCC=0 VCC-ON, ISINK=10mA VZCD-R VZCD-RTH VZCD-H VZCD-L IZCD-SR IZCD-SN IZCD-B VZCD-DIS VZCD-HYS IZCD-RES VZCD<VDIS; VCC>VCC-OFF -100 1VVZCD4.5 (Note (Note IZCD=20A IZCD=3mA IZCD=-3mA -200 -300 0.65
Note Limits over full temperature guaranteed design, tested production. Aug. 2008 Rev. Semiconductor Manufacturing Limited
Data Sheet POWER FACTOR CORRECTION CONTROLLER Typical Performance Characteristics AP1661
33.5 33.0 32.5 32.0 31.5
Supply Current (mA)
IOVP
31.0 30.5 30.0 29.5 29.0 28.5
Temperature
Supply Voltage
Figure Current Threshold Temperature
Figure Supply Current Supply Voltage
12.5
2.550
VCC-ON
12.0
2.525 2.500
11.5
Voltage
11.0
Voltage
VCC-OFF
2.475 2.450 2.425
10.5
2.400
10.0
2.375
2.350
Temperature
Temperature
Figure Under Voltage Lockout Threshold Temperature
Figure Voltage Feedback Input Threshold Temperature
Aug. 2008 Rev.
Semiconductor Manufacturing Limited
Data Sheet POWER FACTOR CORRECTION CONTROLLER Typical Performance Characteristics (Continued) AP1661
-0.5 -1.0
Voltage
Voltage
-1.5
-2.0
-2.5 -3.0
Current (mA)
Current (mA)
Figure Output Saturation Voltage Sink Current
Figure Output Saturation Voltage Source Current
VCOMP=2.6 VCOMP=2.8 VCOMP=3 VCOMP=3.2 VCOMP=3.5 VCOMP=4 VCOMP=4.5 VCOMP=5 VCOMP=MAX
VMULT
Figure Multiplier Characteristics Family
Aug. 2008 Rev.
Semiconductor Manufacturing Limited
Data Sheet POWER FACTOR CORRECTION CONTROLLER Functional Block Description
AP1661 high performance power factor correction controller which operates boundary conduction mode. converter's switch will turned when inductor current reduces zero turned when sensed inductor current reaches required reference which decided output multiplier.
AP1661
dynamic trigged. will disabled drive signal stopped. output over voltage lasts long that output error amplifier goes below 2.25V, static will take place. Also will disabled until output error amplifier goes back linear region. (see Fig. will selected below:
2.5V
Error Amplifier Over-Voltage Protection
error amplifier regulates output voltage. internal reference non-inverting input error amplifier 2.5V. error amplifier's inverting input (INV) connected external resistor divider which senses output voltage. output error amplifier inputs multiplier. compensation loop connected outside between error amplifier output. Normally, compensation loop bandwidth very realize high power factor converter. make over voltage protection fast, internal function added. output over voltage happens, excess current will flow into output error amplifier through feedback compensation capacitor. (see Figure AP1661 monitors current flowing into error amplifier output pin. When detected current higher than 40A,
VOVP
Multiplier
multiplier inputs. (Pin divided sinusoidal voltage which makes current sense comparator threshold voltage vary from zero peak value. other input output error amplifier (Pin this way, input average current wave will sinusoidal well reflects load status. Accordingly high power factor good achieved. multiplier transfer character designed linear over wide dynamic range, namely, relationship between multiplier output inputs described below equation.
(VCOMP 2.5) VMULT
COMP Error Amplifier IOVP MULT Driver Multiplier
2.5V
where (Multiplier output) reference current sense, multiplier gain, VCOMP voltage (error amplifier output) VMULT voltage
Current Sense/Current Sense Comparator
switch's turn-on current sensed through external resistor series with switch. When sensed voltage exceeds threshold voltage (the multiplier output), current sense comparator will become external MOSFET will turned off. This insures cycle-by-cycle current mode control operation. maximum current sense reference 1.8V. value usually happens startup process abnormal conditions such short load.
2.25V IOVP
40µA
AP1661
Figure Error Amplifier Block
Aug. 2008 Rev.
Semiconductor Manufacturing Limited
Data Sheet POWER FACTOR CORRECTION CONTROLLER Functional Block Description (Continued)
Zero Current Detection
AP1661 boundary conduction current mode controller. Usually, zero current detection (ZCD) voltage signal comes from auxiliary winding boost inductor. When
AP1661
voltage decreases below 1.6V, gate drive signal becomes high turn external MOSFET. 500mV hysteresis provided avoid false triggering. used disabling Making voltage below 0.15V short ground will disable device thus reduce supply current consumption.
Typical Application
160H 180K 500H 2.5A/250V 220nF 500V 330nF 500V 680K 220nF/275V 180K 12nF 680nF 330nF 100nF 11N65C3 MUR460 820K 470K
1N4148
COMP MULT
450V 8.2K
265V
AP1661
0.33/1W
Core type RM10, material 3C90 primary: 660uH, turns litze wire 0.1mm*30 secondary: turns wire 0.2mm
Figure 265V Wide Range Input Demo Board Electrical Schematic Circuit
Aug. 2008 Rev.
Semiconductor Manufacturing Limited
Data Sheet POWER FACTOR CORRECTION CONTROLLER Mechanical Dimensions DIP-8 Unit: mm(inch) AP1661
0.700(0.028) 7.620(0.300)TYP 1.524(0.060)
3.710(0.146) 4.310(0.170)
3.200(0.126) 3.600(0.142)
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) 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) 3.000(0.118) Depth 0.100(0.004) 0.200(0.008) 9.000(0.354) 9.400(0.370)
6.200(0.244) 6.600(0.260)
Aug. 2008 Rev.
Semiconductor Manufacturing Limited
Data Sheet POWER FACTOR CORRECTION CONTROLLER Mechanical Dimensions (Continued) SOIC-8 Unit: mm(inch) AP1661
4.700(0.185) 5.100(0.201)
1.350(0.053) 1.750(0.069)
0.320(0.013)
0.675(0.027) 0.725(0.029)
5.800(0.228) 6.200(0.244)
20:1
1.270(0.050)
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)
0.330(0.013) 0.510(0.020)
0.190(0.007) 0.250(0.010) 0.900(0.035)
R0.150(0.006)
0.450(0.017) 0.800(0.031)
Aug. 2008 Rev.
Semiconductor Manufacturing Limited
Semiconductor Manufacturing Limited
http://www.bcdsemi.com
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