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ME2139 - ULTRA-SMALL PACKAGE PWM/PFM SWITCHING CONTROLLER

Description

The ME2139 series is a CMOS step-up switching regulator which mainly consists of a reference voltage source, an oscillation circuit, an error amplifier, a phase compensation circuit, a PWM/PFM switching control circuit.

Features

  • n=3V.

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Datasheet Details

Part number ME2139
Manufacturer Microne
File Size 330.44 KB
Description ULTRA-SMALL PACKAGE PWM/PFM SWITCHING CONTROLLER
Datasheet download datasheet ME2139 Datasheet
Additional preview pages of the ME2139 datasheet.

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Full PDF Text Transcription

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ME2139 ULTRA-SMALL PACKAGE PWM/PFM SWITCHING CONTROL STEP-UP SWITCHING REGULATOR Description The ME2139 series is a CMOS step-up switching regulator which mainly consists of a reference voltage source, an oscillation circuit, an error amplifier, a phase compensation circuit, a PWM/PFM switching control circuit. With an external low-ON-resistance Nch Power MOS, this product is applicable to applications        Feature  Low voltage operation: Start-up is guaranteed from 0.9 V(IOUT =1 mA ) Duty ratio: Built-in PWM/PFM switching control circuit 15 to 78 % . oscillator frequency：1.0MHz External transistor Output voltage range: 1.5V ~6.5 V Output voltage accuracy：±2% Soft start function: 2 mS.
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