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AS7620 Datasheet 500ma Hysteretic High Voltage Step-down Converter

Manufacturer: austriamicrosystems AG

Overview: Datasheet AS7620 .. 5 0 0 m A H y s t e r e t i c H i g h Vo l ta g e St e p - D o w n C o n v e r t e r with Dual Power Monitor 1.

Datasheet Details

Part number AS7620
Manufacturer austriamicrosystems AG
File Size 1.51 MB
Description 500mA Hysteretic High Voltage Step-Down Converter
Datasheet AS7620_austriamicrosystemsAG.pdf

General Description

The AS7620 is an easy-to-use, high-efficiency, highvoltage, hysteretic step-down DC-DC converter, operating in asynchronous mode.

Its low-power architecture extends hold-up time in battery-backed and critical applications where maximum up-time over a wide input supply voltage range is needed, while still providing for high efficiencies of up to 90% during peak current demands.

Although the AS7620 is optimized for 24V applications found in industrial and medical systems, its ability to support 100% Duty Cycle makes the AS7620 ideal for applications demanding maximum up-time and soft power fail behavior.

Key Features

  • ! Low quiescent current for efficient partial load operation Wide Supply Voltage Range, 3.6V to 32V 100% Duty Cycle extends operating range Pin-programmable cycle-by-cycle current limit Integrated PMOS eliminates bootstrap capacitor Resistor-programmable Early Power Fail Warning Input Power-Good Flag Thermal Shutdown Fixed 3.3V and adjustable output (1.2V to VIN) Small 4x4mm 12-Lead MLPQ Enhanced Power Package Specified from -40ºC to +125ºC junction and 85ºC maximum ambient temperatures ! ! !.

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