MIC23099 Single AA/AAA Cell Step-Up/Step-Down Regulators

Micrel Semiconductor

Description

MIC23099 Single AA/AAA Cell Step-Up/Step-Down Regulators with Battery Monitoring General .
The MIC23099 is a high-efficiency, low-noise, dual-output, integrated power-management solution for single-cell alkaline or NiMH battery applications.

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Datasheet Specifications

Part number: MIC23099
Manufacturer: Micrel Semiconductor
File Size: 2.11 MB
Datasheet: MIC23099-MicrelSemiconductor.pdf
Description: Single AA/AAA Cell Step-Up/Step-Down Regulators

Features

* VIN range from 0.85V to 1.6V VOUT1 (step-up) adjustable from 1.8V to 3.3V VOUT2 (step-down) adjustable from 1.0V to VOUT2 VOUT1/400mW and VOUT2/30mA from a single cell Minimizes switching noise in the audio band Step-up regulator with output disconnect in shutdown VOUT1, above 90% efficiency for 5mA

Applications

* The synchronous boost output voltage (VOUT1) is enabled first and is powered from the battery. Next the synchronous buck output (VOUT2), which is powered from the boost output voltage, is enabled. This configuration allows VOUT2 to be independent of battery voltage, thereby allowing the buck output

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MIC23099 Single AAA Cell Step-Up Step-Down Regulators Micrel Semiconductor

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