STEVAL-ISA034V1 STMicroelectronics, STEVAL-ISA034V1 Datasheet - Page 13

• Manufacturer Part Number: STEVAL-ISA034V1
• Description: BOARD EVAL L6565/STW3N150
• Manufacturer: STMicroelectronics
• Type: MOSFET & Power Driverr

Specifications of STEVAL-ISA034V1

• Design Resources: STEVAL-ISA034V1 Gerber Files STEVAL-ISA034V1 Schematic STEVAL-ISA034V1 Bill of Materials
• Main Purpose: AC/DC, Primary Side
• Outputs And Type: 2, Isolated
• Power - Output: 10W
• Voltage - Output: 12V, 5V
• Current - Output: 600mA, 550mA
• Voltage - Input: 185 ~ 460VAC
• Regulator Topology: Flyback
• Board Type: Fully Populated
• Utilized Ic / Part: L6565, STW3N150
• Input Voltage: 185 V to 460 V
• Output Voltage: 5 V, 12 V
• Product: Power Management Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Frequency - Switching: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• For Use With/related Products: L6565, STW3N150
• Other names: 497-8227; STEVAL-ISA034V1

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