L6565DTR STMicroelectronics, L6565DTR Datasheet - Page 13

• Manufacturer Part Number: L6565DTR
• Description: IC CTCLR PWM SMPS CM UVLO 8SOIC
• Manufacturer: STMicroelectronics

Specifications of L6565DTR

• Mfg Application Notes: 25W Converter Using the L6565 AppNote 30 W Adapter with PWM L6565 Controller AppNote 80 W SMPS - L6565/ESBT STC04IE170HV AppNote L6565 Quasi-Resonant Controller AppNote L6565-Based Low Cost SMPS for TV AppNote SMPS for CRT Monitors with the L6565 AppNote STEVAL-TSP001V1 AppNote Wide Input Volt Range SMPS for Metering AppNote
• Output Isolation: Isolated
• Voltage - Input: 10.3 ~ 18 V
• Power (watts): 650mW
• Operating Temperature: -40°C ~ 150°C
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Operating Temperature Range: - 40 C to + 150 C
• Mounting Style: SMD/SMT
• For Use With: 497-9051 - BOARD DEMO STC03DE220HV/ L6565497-8410 - BOARD EVAL STP12IE95F4497-8227 - BOARD EVAL L6565/STW3N150497-6427 - BOARD EVAL POE STHS4257A/L6565D497-6422 - BOARD EVAL BASED ON L6565497-6415 - BOARD EVAL L6565/STW4N150 BASED497-6414 - BOARD EVAL L6565 EU220V BASED497-6339 - BOARD EVAL SMPS L6565 3PHASE APP497-6255 - BOARD 6W 3PH SMPS METERING ESBT497-5680 - POWER SUPPLY FOR STB US-110V497-5679 - BOARD EVAL 3PHASE W/ESBT 100W
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-4017-2; 497-4017-2; 497-4584-2; E-L6565DTR

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