CS5172GD8G

$0.86

Description：IC REG BUCK BOOST ADJ 1.5A 8SOIC
Series：-
Mfr：onsemi
Package：Tube,Tube

SKU:b366ba72338a Category: Voltage Regulators - DC DC Switching Regulators Brand: onsemi

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Product introduction

Product Detailed Parameters

Description：IC REG BUCK BOOST ADJ 1.5A 8SOIC
Series：-
Mfr：onsemi
Package：Tube,Tube
Function：Step-Up
Output Configuration：Negative
Topology：Buck, Boost, Flyback, Forward Converter, SEPIC
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：2.7V
Voltage - Input (Max)：30V
Voltage - Output (Min/Fixed)：-2.45V
Voltage - Output (Max)：-40V (Switch)
Current - Output：1.5A (Switch)
Frequency - Switching：280kHz
Synchronous Rectifier：No
Operating Temperature：0°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：8-SOIC (0.154", 3.90mm Width)
Supplier Device Package：8-SOIC
Grade：-
Qualification：-

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CS5172GD8G

Overview

The CS5172GD8G is a switching voltage regulator manufactured by onsemi, designed for high-efficiency power conversion applications. It functions as a negative adjustable buck-boost converter capable of delivering up to 1.5A of switch current. The device operates with an input voltage range from 2.7V to 30V and provides an adjustable output voltage ranging from -2.45V to -40V. It utilizes a fixed switching frequency of 280kHz and supports multiple topologies including boost, buck, flyback, forward, and SEPIC configurations. The component is housed in an 8-SOIC package and is rated for junction temperatures between 0°C and 125°C.

Feature Summary

Supports versatile topology operation including buck, boost, flyback, forward, and SEPIC configurations
Provides negative adjustable output voltage capability for specialized power requirements
Integrates synchronous rectification for improved efficiency in DC-DC conversion

Applications

Negative rail generation in multi-supply electronic systems
Power management for industrial control equipment requiring isolated or inverted voltages
Telecommunications infrastructure utilizing various DC-DC conversion topologies

Procurement Notes

Verify the exact suffix configuration when sourcing replacements, as variations such as GD8G may differ from other listed variants like GDR8G regarding packaging or specific manufacturing lot details. Confirm availability status as this component family has been subject to discontinuation notices. Ensure compatibility with existing PCB footprints and thermal management solutions before finalizing procurement decisions.

Selection Notes

Select this component when designing circuits that require a single inductor solution for generating negative voltages from positive sources. The wide input voltage range allows flexibility in system design across various battery or line-powered applications. Consider the 280kHz switching frequency when determining external component sizes for filtering and layout constraints.

Part Context

This part belongs to the CS517x series of switching regulators from onsemi, which are known for their flexibility in supporting multiple power conversion topologies. The series is designed to simplify board space by integrating necessary control logic and power switches into a compact package, reducing the bill of materials compared to discrete solutions.