Description
The LTC®3639 is a high efficiency step-down DC/DC regulator with internal high side and synchronous power switches that draws only 12μA typical DC supply current while maintaining a regulated output voltage at no load.
Features
- n Wide Operating Input Voltage Range: 4V to 150V n Synchronous Operation for Highest Efficiency n Internal High Side and Low Side Power MOSFETs n No Compensation Required n Adjustable 10mA to 100mA Maximum Output
Current n Low Dropout Operation: 100% Duty Cycle n Low Quiescent Current: 12µA n Wide Output Range: 0.8V to VIN n 0.8V ±1% Feedback Voltage Reference n Precise RUN Pin Threshold n Internal or External Soft-Start n Programmable 1.8V, 3.3V, 5V or Adjustable Output n Few External Component.
LTC3639_LinearTechnology.pdf
