TFS757 Datasheet, PDF (19/36 Pages) Power Integrations, Inc. – Combined Two-Switch Forward and Flyback Power Supply Controllers with Integrated High Voltage MOSFETs

TFS757-764HG
L ^{6.8 MΩ}
AC
Input
N _{6.8 MΩ}
0.1 µF
V_BIAS
100 kΩ
1 MΩ
Q2
1 MΩ ^Q1
HiperTFS VDDH
CONTROL
HD
R
HS
L
D
FB
EN
DSB
BP
G
S
PI-5874-111710
Figure 24. Fast AC Reset of BP Latch.
R₁ = R₂ = 4 MΩ
150 V
R₁
R₂
HiperTFS VDDH
CONTROL
HD
R
HS
L
D
FB
EN
DSB
BP
G
S
Figure 25. L and R Pin Reset and Duty Limit Circuit.
www.powerint.com
PI-5873-020411
19
Rev. C 02/11