U3525 Datasheet, PDF (6/9 Pages) Unisonic Technologies – REGULATING PWM IC

U3525
TEST CIRCUIT
LINEAR INTEGRATED CIRCUIT
V_REF
15
0.1μF
CLOCK
4
13
3kΩ
PWM _10kΩ
ADJ.
3.6kΩ
SYNC
RT
DEAD
TIME
1.5kΩ
9nF
RAMP _100Ω
CT
0.1μF
COMP
1nF
10kΩ
3
11
6
7 ^{UTC 14}
U3525
5
12
9
1
0.01μF
2
2
1
8
3
3
V/I METER
V_OS = 1
1
21
2
3
2
10
(+) = 2
3
(-) = 3
+V1
0.1μF
V_C
0.1μF
OUTA
1KΩ
1W
1KΩ
1W
OUT B
GND
SOFT
START
5μF
VREF
2kΩ
SHUT
DOWN
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
6 of 9
QW-R103-032,A