Part Number
|
MIC2156 |
Manufacturer
|
Micrel Semiconductor |
Description
|
PWM Synchronous Buck Controller |
Published
|
Jul 5, 2010 |
Detailed Description
|
MIC2155/2156
www.DataSheet4U.com
Two-Phase, Single-Output, PWM Synchronous Buck Control IC
General Description
The MI...
|
Datasheet
|
MIC2156
|
Overview
MIC2155/2156
www.
DataSheet4U.
com
Two-Phase, Single-Output, PWM Synchronous Buck Control IC
General Description
The MIC2155 and MIC2156 are a family of two-phase, single-output synchronous buck control ICs featuring small size, high efficiency, and a high level of flexibility.
The ICs implement a 500kHz (MIC2155) and 300kHz (MIC2156) voltage mode PWM control, with the outputs switching 180° out of phase.
The result of the out-of-phase operation is 1MHz (or 600kHz) input ripple with ripple current cancellation, minimizing the required input filter capacitance.
A 1% output voltage tolerance allows the maximum level of system performance.
Internal drivers with adaptive gate drive allow the hi...
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