Description
STR2W152D and STR2W153D Current Mode Control PWM Regulator ICs For Switching Power Supplies .
The STR2W152D and STR2W153D are power ICs for switching power supplies, incorporating a power MOSFET and a current mode PWM controller IC in one packa.
Features
* Current mode PWM control
* Built-in Random Switching function: reduces EMI noise,
simplifies EMI filters, and cuts cost by external part reduction
* Built-in Slope Compensation function: avoids subharmonic oscillation
* Built-in Leading Edge Blanking (LEB) function
Applications
* Switching power supplies for electronic devices such as:
* Home appliances
* Digital appliances
* Office automation (OA) equipment
* Industrial apparatus
* Communication facilities
Not to scale
D1 VAC
C1
Typical Application
CRD Clamp Snubber Circuit
D4 T1