SDC2921 – Voltage Mode PWM Controller – SDC

Part number : SDC2921

Functions : Voltage Mode PWM Controller

Package information : DIP 16 Pin

Manufacturer : Shaoxing Devechip Microelectronics ( )


Product Information

The SDC2921 is a Pulse–Width Modulation (PWM) control circuit with complete protection circuits for the SMPS (Switching Mode Power Supply). It contains various functions, can minimize external components of switching power supply systems in personal computer.




1. Pulse width modulation circuit.
2. 3.3V, 5V, 12V overvoltage / undervoltage protection
3. Over power protection.
4. 280ms PG delay.
5. 280ms UVP delay.
6. PWM open-drain output.
7. Remote control.
8. Built-in soft-start.
9. High integration, fewer external components.

SDC2921 Datasheet PDF PDF Download


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