Part number:
LTC3857-1
Manufacturer:
Linear Technology
File Size:
423.71 KB
Description:
Synchronous step-down controller.
LTC3857-1_LinearTechnology.pdf
Datasheet Details
Part number:
LTC3857-1
Manufacturer:
Linear Technology
File Size:
423.71 KB
Description:
Synchronous step-down controller.
LTC3857-1, Synchronous Step-Down Controller
Controller The LTC®3857-1 is a high performance dual step-down switching regulator controller that drives all N-channel synchronous power MOSFET stages.
A constant frequency current mode architecture allows a phase-lockable frequency of up to 850kHz.
Power loss and noise due to the ESR of the inpu
LTC3857-1 Features
* n Low Operating IQ: 50μA (One Channel On) n Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 24V n Wide VIN Range: 4V to 38V n RSENSE or DCR Current Sensing n Out-of-Phase Controllers Reduce Required Input Capacitance and Power Supply Induced Noise n OPTI-LOOP® Compensation Minimizes COUT n Phase-Lockable F
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