NCP3125 - High Efficiency Synchronous DC-DC Switching Regulator
The NCP3125 is a flexible synchronous PWM Switching Buck Regulator. The NCP3125 is capable of producing output voltages as low as 0.8 V. The NCP3125 also incorporates voltage mode control.
To reduce the number of external components, a number of features are internally set, including soft-start and switching frequency. The NCP3125 is currently available in an SOIC-8 package. Family of parts that are pin to pin compatible. NCP3125 (4A), NCP3126 (3A), NCP3127 (2A)
Features & Benefits
Features | Benefits |
|---|---|
+5 V or +12 V Input Voltage | Ability to use for various input voltages |
60 mΩ High-side, 36 mΩ Low-side MOSFET | High efficiency solution due to low Rdson |
Output voltage adustable down to 0.8 V | Ability to output different voltages |
4 A Continuous Output Current | High power density designs |
Fixed 350 kHz PWM Operation | No external components required to set frequency |
1.0 % Initial Output Accuracy | High accuracy output and system design |
Programmage Current Limit | Ability to use high efficiency solution for lower output current |
Applications
- Set Top Boxes
- DVD Drives and HDD
- LCD Monitors and TVs
- Cable Modems
- Telecom / Networking / Datacom Equipment


