PFS757HG POWERINT [Power Integrations, Inc.], PFS757HG Datasheet - Page 19

• Manufacturer Part Number: PFS757HG
• Description: Combined Two-Switch Forward and Flyback Power Supply Controllers with Integrated High Voltage MOSFETs
• Manufacturer: POWERINT [Power Integrations, Inc.]

Figure 24. Fast AC Reset of BP Latch.
Figure 25. L and R Pin Reset and Duty Limit Circuit.
www.powerint.com
Input
AC
N
L
6.8 MΩ
6.8 MΩ
0.1 µF
R
1
R
= R
1
2
= 4 MΩ
1 MΩ
1 MΩ
100 kΩ
Q1
V
BIAS
FB
EN
BP
R
R
L
2
HiperTFS
Q2
CONTROL
150 V
G
VDDH
S
EN
BP
FB
R
L
HD
HS
D
DSB
HiperTFS
CONTROL
G
VDDH
S
PI-5873-020411
HD
HS
D
DSB
PI-5874-111710
TFS757-764HG
Rev. C 02/11
19