STEVAL-ISA041V1 STMicroelectronics, STEVAL-ISA041V1 Datasheet - Page 13
![BOARD EVAL STP12IE95F4](/photos/9/13/91341/steval-isa041v1_sml.jpg)
STEVAL-ISA041V1
Manufacturer Part Number
STEVAL-ISA041V1
Description
BOARD EVAL STP12IE95F4
Manufacturer
STMicroelectronics
Series
VIPER™r
Specifications of STEVAL-ISA041V1
Main Purpose
AC/DC, Primary Side
Outputs And Type
1, Isolated
Power - Output
125W
Voltage - Output
19V
Current - Output
6.6A
Voltage - Input
240 ~ 400VDC
Regulator Topology
Flyback
Frequency - Switching
55kHz
Board Type
Fully Populated
Utilized Ic / Part
L6565, STP12IE95F4
Product
Power Management Modules
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-8410
APPLICATION IDEAS
Here follows a series of ideas/suggestions aimed at either improving performance or solving common applica-
tion issues of L6565-based power supplies.
Figure 21. Enhanced turn-off for big MOSFET's drive
Figure 22. Latched shutdown on: a) feedback disconnection; b) overload or short circuit
Figure 23. Secondary Feedback loop configurations
COMP
2
L6565
R
A
1
8
INV
Vcc
R
B
a)
TL431
BC327
a)
Vout
L6565
Vcc
BC337
DRIVER
1N4148
INV
8
GND
L6565
1
L6565
I
COMP
COMP
8
6
2
Vcc
COMP
2
7
b)
GD
TL431
BC327
Vout
BC337
L6565
Rs
INV
1
Q
8
4
b)
CS
Vcc
BC327
Vcc
Roff
1N4148
c)
8
L6565
Rs
2
TL431
COMP
L6565
13/17
Vout