8561

UNISONIC TECHNOLOGIES CO., LTD 8561 Preliminary CMOS IC POWER FACTOR CORRECTOR DESCRIPTION The UTC 8561 is a Power Factor Corrector, which can work in wide input voltage range applications (from 85V ~ 265V) with an excellent THD. It has very low start up current (about 50 uA) and a disable function on the ZCD pin, which is designed to keep lower current consumption in stand by mode. The device is operating in transition mode, and is able to drive a Power MOS or IGBT with a ± 400mA current for sourcing and sinking. FEATURES * 1% Precision (@ TJ = 25°C) Internal Reference Voltage * Output Overvoltage Protection * Very Low Power Start-Up Current * Very Low Operating Supply Current * Current Sense Filter On Chip * Disable Function (with ZCD Pin) * Transition Mode Operation * Gate Driving Current: ± 400mA ORDERING INFORMATION Ordering Number Lead Free Plating Halogen Free 8561L-D08-T 8561G-D08-T Package DIP-8 Packing Tube www.unisonic.com.tw Copyright © 2010 Unisonic Technologies Co., Ltd 1 of 6 QW-R502-444.a 8561 PIN CONFIGURATION Preliminary CMOS IC INV COMP MULT CS 1 2 3 4 8 7 6 5 Vcc GD GND ZCD PIN DESCRIPTION PIN NO 1 2 3 4 5 6 7 8 PIN NAME INV COMP MULT CS ZCD GND GD VCC DESCRIPTION Inverting input of the error amplifier. Output of the error amplifier. Input of the multiplier stage. Input of the current sense stage. Input of the zero current detection. Ground. Gate driver output. Voltage supply. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 6 QW-R502-444.a 8561 BLOCK DIAGRAM COMP 2 MULT 3 Preliminary CMOS IC 20V 8 VCC R1 OVER-VOLTAGE DETECTION INV 1 2.5V + MULTIPLIER INTERNAL SUPPLY 7V 40K 5pF ZERO CURRENT DETECTOR + STARTER DISABLE + R Q D R I V E R VOLTAGE REGULATOR VCC UVLO VREF2 R2 CS 4 - ZCD 5 7 GD 2.1V 1.6V S 6 GND UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 6 QW-R502-444.a 8561 PARAMETER Analog Inputs & Outputs Current Sense Input Iq+Iz (IGD = 0) Output Totem Pole Peak Current (2ms) Preliminary SYMBOL INV, COMP MULT CS IVCC IGD CMOS IC ABSOLUTE MAXIMUM RATINGS (Ta=25°C, unless otherwise specified) RATINGS UNIT -0.3 ~ 7 V -0.3 ~ 7 V 30 mA ±700 mA 50 (source) mA Zero Current Detector ZCD -10 (sink) mA Power Dissipation PD 0.65 W Junction Temperature TJ 150 °C Storage Temperature TSTG -55 ~ +150 °C Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. ELECTRICAL CHARACTERISTICS (VCC=14.5V, Ta=-25°C ~ 125°C, unless otherwise specified) PARAMETER SUPPLY VOLTAGE SECTION Operating Range Turn-ON Threshold Turn-OFF Threshold Hysteresis SUPPLY CURRENT SECTION Start-up Current Quiescent Current Operating Supply Current Quiescent Current Zener Voltage ERROR AMPLIFIER SECTION Voltage Feedback Input Threshold Line Regulation Input Bias Current Voltage Gain Gain Bandwidth Source Current Sink Current Upper Clamp Voltage Lower Clamp Voltage MULTIPLIER SECTION Linear Operating Voltage Output Max.Slope Gain CURRENT SENSE COMPARATOR Current Sense Reference 4 Clamp Input Bias Current 4 Delay to Output 4 Current Sense Offset 4 PIN 8 8 8 8 8 8 8 8 8 8 1 1 SYMBOL VCC VCC(ON) VCC(OFF) Hys ISTART-U Iq ICC Iq VZ VINV IINV GV GB ICOMP VCOMP VMULT △VCS △Vmult K VCS ICS td(H-L) before turn-on (VCC=11V) CL=1nF @ 70KHz In OVP condition Vpin1=2.7V VPIN5≤150mA, VCC>VCC off VPIN5≤150mV, VCC