TL494_12 Datasheet, PDF (2/7 Pages) Unisonic Technologies – VOLTAGE MODE PWM CONTROL CIRCUIT

TL494
„ PIN CONFIGURATION
LINEAR INTEGRATED CIRCUIT
„ BLOCK DIAGRAM
RT
6
CT
5
oscillator
Pulse Steering
Flip-Flop
13
Input
control
Q
T
Q
4
dead time
control
1
2
dead time comparator
0.7mA
Error
Amplifier
PWM comparator
16
15
Error
Amplifier
5V reference
regulation
8 C1
Q1
9 E1
11 C2
Q2
10 E2
14
VREF
12
Vcc
7
GND
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 7
QW-R103-004,G