|
Part Number
|
LTC3859A |
|
Manufacturer
|
Linear Technology |
|
Description
|
Buck/Buck/Boost Synchronous Controller |
|
Published
|
Mar 21, 2016 |
|
Detailed Description
|
LTC3859A
Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller
with Improved Burst Mode Operation
FEATURES
D...
|
|
Datasheet
|
LTC3859A
|
Overview
LTC3859A
Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller
with Improved Burst Mode Operation
FEATURES
DESCRIPTION
n Dual Buck Plus Single Boost Synchronous Controllers n Outputs Remain in Regulation Through Cold Crank
Down to 2.
5V n Low Operating IQ: 55μA (One Channel On) n Wide Bias Input Voltage Range: 4.
5V to 38V n Buck Output Voltage Range: 0.
8V ≤ VOUT ≤ 24V n Boost Output Voltage Up to 60V n RSENSE or DCR Current Sensing n 100% Duty Cycle for Boost Synchronous MOSFET
Even in Burst Mode® Operation n Phase-Lockable Frequency (75kHz to 850kHz) n Programmable Fixed Frequency (50kHz to 900kHz) n Selectable Continuous, Pulse-Skipping or Low Ripple
Burst Mode Operation at Lig...
Similar Datasheet