Description
STR-W6251D, STR-W6252D, and STR-W6253D PWM Off-Line Switching Regulator ICs .
STR-W6200D series are power ICs for switching power supplies, incorporating a power MOSFET and a current mode PWM controller IC in one package.
Features
* ▪ TO-220 fully-molded package with 6 pins ▪ Current mode PWM control ▪ PWM and frequency modulation functions: reduces EMI
noise, simplifies EMI filters, and cuts cost by external part reduction ▪ Built-in Slope Compensation circuit: avoids subharmonic oscillation ▪ Automatic Standby Mode function (
Applications
* Switching power supplies for electronic devices such as:
* White goods
* Consumer electronics
* Office automation
* Industrial equipment
* Communication equipment
Typical Application
VAC
Clamp Snubber Circuit
T1 D3
L2
VOUT
C10 R9
P
R3 PC1
R6
C1
D4