7524

7524 ETL | Alldatasheet

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UNISONIC TECHNOLOGIES CO., LTD

7524 LINEAR INTEGRATED CIRCUIT

www.unisonic.com.tw 1 of 5 Copyright © 2005 Unisonic Technologies Co., Ltd QW-R114-002.D POWER FACTOR CONTROLLER „ DESCRIPTION The UTC 7524 provides the necessary features to implement the Electronic BALLAST contro l and S.M.P.S application for designing active power factor correction circuit „ FEATURES * Internal self-starting * Micro power start up mode * Included under voltage lockout circuit * Internal 2% reference * High output current: peak 500mA DIP-8 SOP-8 *Pb-free plating product number: 7524L „ ORDERING INFORMATION Ordering Number Normal Lead Free Plating Package Packing 7524-D08-T 7524L-D08-T DIP-8 Tube 7524-S08-R 7524L-S08-R SOP-8 Tape Reel 7524-S08-T 7524L-S08-T SOP-8 Tube 7524L-D08-T (1)Packing Type (2)Package Type (3)Lead Plating (1) T: Tube, R: Tape Reel (2) D08: DIP-8, S08: SOP-8 (3) L: Lead Free Plating , Blank: Pb/Sn

UNISONIC TECHNOLOGIES CO., LTD 2 of 5 www.unisonic.com.tw QW-R114-002.D „ BLOCK DIAGRAM 8 4 VCS VREF (2.5V) OP-AMP MULT GND COMP VI(M1) VCC 1.3V (∆200mV) VOUT VCOMP VIN IDET UVNL Self-Starter

UNISONIC TECHNOLOGIES CO., LTD 3 of 5 www.unisonic.com.tw QW-R114-002.D „ ABSOLUTE MAXIMUM RATINGS (Ta = 25Ċ) PARAMETER SYMBOL RATINGS UNIT Supply Voltage V CC 2 0 V Peak Driver Output Current I O(PEAK) 500 mA Detect Clamping Diode Current I DET 10 mA Output Clamping Diode Current I O(CD) 10 mA Junction Temperature T J +125 °C Operating Temperature T OPR -20~+85 °C Storage Temperature T STG -40~+150 °C Note 1. 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. 2. The device is guaranteed to meet performance specification within 0¥~+70¥ operating temperature range and assured by design from -20¥~+85¥. „ ELECTRICAL CHARACTERISTICS (Ta = 25Ċ, All voltage referenced to GND unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Under Voltage Lockout Section Start Threshold Voltage V THR(ST) 9.2 10 10.8 V UV lockout Hysteresis V HYS(UV) 1.8 2.0 2.2 V Supply Zener Voltage V Z 17 V Supply Current Section Start-up Supply Current Istart V CC<VI(THR) 0.25 0.5 mA Operating Supply Current I CC V CC=12V,No load 6 12 mA Dynamic Operating Current I CC(D) VCC=12V,f=50KHZ, CGS=1000pF 10 20 mA Reference Section (Note 1) Reference Voltage V REF 2.45 2.5 2.55 V Line Regulation ƤVOUT 12V< VCC <16V 0.1 10 mV Load Regulation ƤVOUT 0< IREF <2mA 0.1 10 mV Temperature Stability ST T 20 mV Error Amplifier Section Input Offset Voltage V I(OFF) -15 15 mV Input Bias Current I I(BIAS) -1 -0.1 1 µA Large Signal Open Loop gain Gv 60 100 dB Power Supply Rejection Ratio RR 60 86 dB ISOURCE 2 mA Output Current ISINK -2 mA Output Voltage range V O(P) 1.2 4 V Unity Gain Bandwidth UB W 1.0 MHZ Phase Margin MPH 57 °C Multiplier Section M1 Input Voltage Range V I(M1) 0 2 V M2 Input Voltage Range V I(M2) V REF V REF +1 V Input Bias Current I I(BIAS) -2 -0.5 2 µA Multiplier Gain (Note2) Gv V I(M1)=0.5V,VI(M2)=3V 0.8 /V Multiplier Gain Stability ST T -0.2 %/ °C Current Detect Section Input Voltage Threshold V I(THR) 1.0 1.3 1.6 V Hysteresis V HYS 200 mV

UNISONIC TECHNOLOGIES CO., LTD 4 of 5 www.unisonic.com.tw QW-R114-002.D „ ELECTRICAL CHARACTERISTICS(Cont.) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Input Low Clamp Voltage V IC(L) I DET=0mA 0.95 V Input High Clamp Voltage V IC(H) I DET=3mA 6.1 7.1 V Input Current I IN 0.8V<V DET<6V 5 µA Input Clamp Diode Current I I(CD) V DET<0.9V,VDET>6V 3 mA Output Section Output Voltage(High) V O(H) I OUT=-10mA,VCC=12V 7 9 V Output Voltage(low) V O(L) I OUT =10mA,VCC=12V 0.8 1.8 V Rising Time t R C L=1000pF 100 200 ns Failing Time t F C L=1000pF 90 200 ns Self-Start Section Self Starting Time t SS 12 µs Note: 1.Reference can not be tested on the PKG 2 . G v = VO(M)/(VI(M1)*(VI(M2)-VREF))

UNISONIC TECHNOLOGIES CO., LTD 5 of 5 www.unisonic.com.tw QW-R114-002.D „ APPLICATION CIRCUIT /5$ 3 3 3 3 $ $3 $ $ 5 %*"$ % $ % $ - -% #%* -".156#& -".156#& PART LIST Resistor Capacitor Semiconductor Magnetics R1 1.8M C1 0.1 µF IC1 UTC 7524 T1 E1-25(PC30):P=70T,S=4T,Gap=0.5mm R2 10K C2 0.1 µF Q1 IRF830 T2 D15(GP-5):P=3T,S=13T R3 100K C3 4700pF Q2 2SC5039 L1 EE-25(Iron Power),80mH R4 3.3 Ω C4 4700pF Q3 2SC5039 L2 EI-25(PC30):150T,Gap=0.4mm R5 22K C5 0.1 µF D1 1N4004 R7 2.2K C6 0.01 µF D2 1N4937 R8 2.2M C7 100 µF D3 1N4148 R9 150K C8 0.1 µF D4 1N4148 R10 330 Ω C9 3300pF D5 FR107 R11 0.75 Ω C10 47 µF/450V D6 FR107 R12 5.1K C11 0.1 µF D7 FR107 R13 1M C12 3300pF D8 FR107 R14 390K C13 3300pF BD1 PBP204 R15 3.9M C14 0.01 µF TNR 12G471 R16 5.1 Ω C15 0.01 µF DIAIC 32V R17 27 Ω R18 5.1 Ω R19 27 Ω VR1 5K NTC 10 Ω UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.