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UNISONIC TECHNOLOGIES CO., LTD
7524
LINEAR INTEGRATED CIRCUIT
POWER FACTOR
CONTROLLER
DESCRIPTION
The UTC 7524 provides the necessary features to implement
the Electronic BALLAST control 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
ORDERING INFORMATION
Ordering Number
Normal Lead Free Plating
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
Package Packing
*Pb-free plating product number: 7524L
DIP-8
SOP-8
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
www.unisonic.com.tw
Copyright © 2005 Unisonic Technologies Co., Ltd
1 of 5
QW-R114-002.D
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7524
BLOCK DIAGRAM
I
DET
5
LINEAR INTEGRATED CIRCUIT
V
V
I(M 1)
CC
8
3
1.3V
(∆200mV)
+
UVNL
6
GND
Self-Starter
-
C
OMP
MULT
-
+
OP-AMP
+
-
V
REF
(2.5V )
-
+
V
OUT
7
4
V
CS
V
COMP
2
V
IN
1
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
QW-R114-002.D
2 of 5