LT3971-5
Description
The LT®3971 is an adjustable frequency monolithic buck switching regulator that accepts a wide input voltage range up to 38V. Low quiescent current design consumes only 2.8µA of supply current while regulating with no load.
Key Features
- Ultralow Quiescent Current: 2.8µA IQ Regulating 12VIN to 3.3VOUT
- Fixed Output Voltages: 3.3V, 5V, 2.1µA IQ Regulating 12VIN to 3.3VOUT
- Low Ripple Burst Mode® Operation: Output Ripple < 15mVP-P
- Wide Input Voltage Range: 4.3V to 38V
- 1.2A Maximum Output Current
- Adjustable Switching Frequency: 200kHz to 2MHz
- Synchronizable Between 250kHz to 2MHz
- Fast Transient Response
- Accurate 1V Enable Pin Threshold
- Low Shutdown Current: IQ = 700nA
