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APS2430 - Synchronous Step-Down Converter

Datasheet Summary

Description

The APS2430 is a high efficiency monolithic synchronous buck regulator using a constant frequency, current mode architecture.

Supply current down to 60 µA at no load and < 1 µA at shutdown.

Features

  • High Efficiency: Up to 95 %.
  • 1 MHz Constant Switching Frequency.
  • 2.7 V to 6.0 V Input Voltage Range.
  • 3.0 A Output Current at VIN = 3 V.
  • Quiescent Current: 60 µA (input < 4.2 V).
  • Integrated Main Switch and Synchronous Rectifier.
  • 100% Duty Cycle in Dropout.
  • Shutdown Current < 1 µA.
  • Slope Compensated Current Mode Control for Excellent Line and Load Transient Response.
  • Robust protection features, OCP, TSD.
  • Same BOM L-C passive components for VI.

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Datasheet preview – APS2430

Datasheet Details

Part number APS2430
Manufacturer Chipown
File Size 1.16 MB
Description Synchronous Step-Down Converter
Datasheet download datasheet APS2430 Datasheet
Additional preview pages of the APS2430 datasheet.

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Full PDF Text Transcription

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®S2430 Chipown 1 MHz, 3.0 A, Synchronous Step-Down Converter General Description The APS2430 is a high efficiency monolithic synchronous buck regulator using a constant frequency, current mode architecture. Supply current down to 60 µA at no load and < 1 µA at shutdown. The 2.7 V to 6.0 V input voltage range makes the APS2430 ideally suited for single-cell Li-Ion batteries and two to four AA battery-powered applications. 100% duty cycle provides low-dropout operation to extend the battery life of portable systems. PWM pulse skipping mode operation provides very low output ripple voltage for noise sensitive applications. The switching frequency is internally set to 1 MHz, allowing the use of small surface mount inductors and capacitors.
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