AS7620A-BQFT

Description：IC REG BUCK ADJ 500MA 12MLPQ
Series：-
Mfr：ams-OSRAM USA INC.
Package：Tape & Reel (TR)

SKU:2ed0e19ff072 Category: Voltage Regulators - DC DC Switching Regulators Brand: ams-OSRAM USA INC.

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Product introduction

Product Detailed Parameters

Description：IC REG BUCK ADJ 500MA 12MLPQ
Series：-
Mfr：ams-OSRAM USA INC.
Package：Tape & Reel (TR)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：3.6V
Voltage - Input (Max)：32V
Voltage - Output (Min/Fixed)：1.2V
Voltage - Output (Max)：32V
Current - Output：500mA
Frequency - Switching：-
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：12-VQFN Exposed Pad
Supplier Device Package：12-MLPQ (4x4)
Grade：-
Qualification：-

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AS7620A-BQFT

Overview

The AS7620A-BQFT is a high-efficiency, hysteretic step-down DC-DC converter manufactured by ams OSRAM. It operates in asynchronous mode and supports an input voltage range from 3.6V to 32V. The device provides a fixed output of 3.3V with a maximum output current of 500mA. It features a low-power architecture designed to extend hold-up time in battery-backed applications. Key electrical characteristics include a typical shutdown current of 1µA and an idle current of 30µA. The component is housed in a 12-VQFN package with a bare pad.

Feature Summary

Hysteretic control topology for simplified design and fast transient response
Ultra-low quiescent current to maximize efficiency at light loads
Integrated thermal shutdown and output short-circuit protection
Pin-strapped current limit input for optimized inductor selection

Applications

Industrial systems requiring wide input voltage ranges
Medical equipment demanding high up-time reliability
Battery-powered devices needing extended hold-up times
Applications requiring soft power fail behavior

Procurement Notes

Verify the specific suffix 'BQFT' against official datasheets to confirm pinout and packaging details. Confirm RoHS compliance status through manufacturer documentation. Check for obsolescence notices as this series may have been discontinued or replaced by newer variants. Ensure ESD handling procedures are followed due to moisture sensitivity classification.

Selection Notes

Select this component when a simple, high-voltage step-down solution is required without synchronous rectification complexity. It is suitable for designs prioritizing cost-effective inductor sizing via adjustable current limits. Consider the 3.3V fixed output constraint and verify that the 500mA load capability meets system requirements. Evaluate thermal performance within the specified operating temperature range.

Part Context

This part belongs to the AS7620 family of ultra-low ripple step-down DC/DC converters. The family is characterized by its hysteretic operation mode and optimization for 24V industrial applications. The AS7620A variant specifically denotes the fixed 3.3V output configuration within this product line.