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AX3513A - 1A Synchronous Step-Down Converter

General Description

AX3513A is a high efficiency monolithic synchronous buck regulator using a constant frequency, current mode architecture.

The device is available in an adjustable version.

Key Features

  • 2.5V to 5.5V Input Voltage Range Output Voltage from 0.6V to VIN High Efficiency: Up to 96% 1.4MHz Constant Frequency Operation VÛmw`R.
  • yÑb€ Up to 1A Output Current Quiescent Current: 250uA (Typical) No Schottky Diode Required w. goftech. com for Excellent Line and Load Transient Response Current Mode Operation Current limit, Enable function Short Circuit Protect (SCP) Build in soft start function ≤ 1µA Shutdown Current TSOT23-5L and TDFN-6L Pb-Free packages 1/13 Axelite Confidential Mater.

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Datasheet Details

Part number AX3513A
Manufacturer AXElite
File Size 703.62 KB
Description 1A Synchronous Step-Down Converter
Datasheet download datasheet AX3513A Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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AX3513A 1.4MHz, 1A Synchronous Step-Down Converter  GENERAL DESCRIPTION AX3513A is a high efficiency monolithic synchronous buck regulator using a constant frequency, current mode architecture. The device is available in an adjustable version. Supply current with no load is 250uA and drops to <1uA in shutdown. The 2.5V to 5.5V input voltage range makes AX3513A ideally suited for single Li-Ion, two to three AA battery-powered applications. 100% duty cycle provides low dropout operation, extending battery life in portable systems. PWM operation provides very low output ripple voltage for noise sensitive applications. Switching frequency is internally set at 1.4MHz, allowing the use of small surface mount inductors and capacitors.