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MIC2183

Part Number	MIC2183
Manufacturer	Micrel Semiconductor
Description	Low Voltage Synchronous Buck PWM Controller
Published	Mar 22, 2005
Detailed Description	MIC2183 Micrel, Inc. MIC2183 Low Voltage Synchronous Buck PWM Control IC General Description Micrel’s MIC2183 is a hig...
Datasheet	MIC2183 PDF File

Overview

MIC2183 Micrel, Inc.
MIC2183 Low Voltage Synchronous Buck PWM Control IC General Description Micrel’s MIC2183 is a high efficiency PWM synchronous buck control IC.
With its wide input voltage range of 2.
9V to 14V, the MIC2183 can be used to efficiently step voltages down in 1- or 2-cell Li Ion battery powered applications, as well as in fixed 3.
3V, 5V, or 12V systems.
Efficiencies over 90% are achievable over a wide range of load conditions with the MIC2183’s PWM control scheme.
The operating frequency can be divided by two by raising the FREQ/2 pin to VDD.
This allows the user to optimize efficiency versus board space.
It also allows the MIC2183 to be externally synchronized to frequencie...

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