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XR77129

MaxLinear
Part Number XR77129
Manufacturer MaxLinear
Published Sep 1, 2018
Description 40V Quad Output Digital PWM/PFM Universal PMIC
Detailed Description XR77129 40V Quad Output Digital PWM/PFM Universal PMIC General D
Datasheet PDF File XR77129 PDF File

XR77129
XR77129


Overview
XR77129 40V Quad Output Digital PWM/PFM Universal PMIC General Description The XR77129 is a quad channel digital Pulse Width Modulated (PWM) step down (buck) controller.
A wide 6V to 40V input voltage range allows for single supply operation from standard power rails.
With integrated FET gate drivers, two LDOs for standby power and a 105kHz to 1.
23MHz independent channel to channel programmable constant operating frequency, the XR77129 reduces overall component count, solution footprint and optimizes conversion efficiencies.
A selectable digital Pulse Frequency Mode (PFM) capable of better than 80% efficiency at light current load and low operating current allow for portable and Energy Star compliant applications.
Each XR77129 channel’s output voltage is individually programmable down to 0.
6V with a resolution of 2.
5mV, and is configurable for precise soft start and soft stop sequencing, including delay and ramp control.
The XR77129 operations are fully controlled via a SMBus-compli...


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