LT1172CS8#PBF

$9.00

Description：IC REG BUCK BOOST ADJ 1.25A 8SO
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:87c719b163bb Category: Voltage Regulators - DC DC Switching Regulators Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG BUCK BOOST ADJ 1.25A 8SO
Series：-
Mfr：Analog Devices Inc.
Package：Tube
Function：Step-Up, Step-Down, Step-Up/Step-Down
Output Configuration：Positive or Negative
Topology：Buck, Boost, Cuk, Flyback, Forward Converter
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：3V
Voltage - Input (Max)：40V
Voltage - Output (Min/Fixed)：1.244V
Voltage - Output (Max)：65V (Switch)
Current - Output：1.25A (Switch)
Frequency - Switching：100kHz
Synchronous Rectifier：No
Operating Temperature：0°C ~ 100°C (TJ)
Mounting Type：Surface Mount
Package / Case：8-SOIC (0.154", 3.90mm Width)
Supplier Device Package：8-SO
Grade：-
Qualification：-

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LT1172CS8#PBF

Overview

The LT1172CS8#PBF is a monolithic high-power switching regulator manufactured by Analog Devices Inc. It operates with an input voltage range of 3 V to 60 V and delivers an adjustable output current of 1.25 A. The device features a fixed switching frequency of 100 kHz and a typical quiescent current of 6 mA. It supports multiple topologies including Buck, Boost, Flyback, Forward, Inverting, and Cuk configurations. Packaged in an 8-SOIC surface-mount case, it functions within an operating temperature range of 0°C to +100°C.

Feature Summary

Integrates a high-current, high-efficiency power switch on the die alongside complete oscillator, control, and protection circuitry.
Capable of operation in all standard switching configurations, including buck, boost, flyback, forward, inverting, and Cuk topologies.
Designed for high efficiency performance across a wide input voltage range without requiring external shutdown functionality.

Applications

Positive Buck converter applications
Negative Boost regulator circuits
Flyback converter designs
Forward converter implementations

Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm RoHS compliance status and package marking details against official datasheets prior to integration. Ensure storage conditions meet moisture sensitivity level requirements to maintain reliability during soldering processes.

Selection Notes

Select this component for designs requiring versatile topology support within a compact SOIC-8 footprint. Consider the 1.25 A output capability and 100 kHz switching frequency for general-purpose DC-DC conversion needs. Evaluate thermal management requirements given the 100°C maximum junction temperature limit and surface-mount installation style.

Part Context

This part belongs to the LT1172 series of high-power switching regulators from Analog Devices. The CS8 suffix indicates a commercial temperature grade variant housed in an 8-pin SOIC package. The #PBF designation confirms lead-free and halogen-free construction compliant with environmental standards.