STEVAL-ISA017V1 STMicroelectronics, STEVAL-ISA017V1 Datasheet - Page 13

• Manufacturer Part Number: STEVAL-ISA017V1
• Description: POWER SUPPLY FOR STB US-110V
• Manufacturer: STMicroelectronics
• Type: AC/DC Switching Convertersr

Specifications of STEVAL-ISA017V1

• Mfg Application Notes: Quasi AppNote
• Design Resources: STEVAL-ISA017V1 Gerber Files STEVAL-ISA017V1 Schematic STEVAL-ISA017V1 Bill of Materials
• Main Purpose: AC/DC, Primary Side
• Outputs And Type: 6, Non-Isolated
• Power - Output: 17W
• Voltage - Output: 1.23V, 5V, 2.5V, 12V, 3.3V, 8V
• Current - Output: 1.7A, 1A, 700mA, 500mA, 450mA, 40mA
• Voltage - Input: 88 ~ 135VAC
• Regulator Topology: Flyback
• Board Type: Fully Populated
• Utilized Ic / Part: L6565
• Input Voltage: 88 V to 138 V
• Output Voltage: 1.2 V to 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
• Other names: 497-5680

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