LT3976
Description
The LT®3976 is an adjustable frequency monolithic buck switching regulator that accepts a wide input voltage range up to 40V. Low quiescent current design consumes only 3.3µA of supply current while regulating with no load.
Key Features
- Ultralow Quiescent Current: 3.3µA IQ at 12VIN to 3.3VOUT
- Low Ripple Burst Mode® Operation Output Ripple < 15mVP-P
- Wide Input Range: Operation from 4.3V to 40V
- 5A Maximum Output Current
- Excellent Start-Up and Dropout Performance
- Adjustable Switching Frequency: 200kHz to 2MHz
- Synchronizable Between 250kHz to 2MHz
- Accurate Programmable Undervoltage Lockout
- Low Shutdown Current: IQ = 700nA
- Power Good Flag