LT1172CT#31PBF

$9.04

Description：IC REG BCK BST ADJ 1.25A TO220-5
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:fc1e36b86a50 Category: Voltage Regulators - DC DC Switching Regulators Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG BCK BST ADJ 1.25A TO220-5
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：Through Hole
Package / Case：TO-220-5 Formed Leads
Supplier Device Package：TO-220-5 Flow 31
Grade：-
Qualification：-

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LT1172CT#31PBF

Overview

The LT1172CT#31PBF 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 provides an adjustable output voltage. The device supports a maximum output current of 1.25 A and features a fixed switching frequency of 100 kHz. It utilizes a TO-220-5 package and functions across a temperature range of -40°C to +100°C.

Feature Summary

Supports multiple standard switching configurations including buck, boost, flyback, forward, inverting, and Cuk topologies.
Integrates a high-current, high-efficiency power switch on the die alongside complete oscillator, control, and protection circuitry.

Applications

Forward converter designs
High efficiency constant current chargers

Procurement Notes

Verify the specific suffix #31PBF against official Analog Devices documentation to confirm the exact package variant and compliance status. Ensure compatibility with thermal management requirements for the TO-220-5 form factor. Cross-reference the manufacturer part number directly with authorized distributors to avoid counterfeit components.

Selection Notes

Select this component when a versatile DC-DC solution supporting various topologies is required within a 60 V input limit. The integrated switch simplifies design by eliminating external power transistors. Consider the TO-220-5 package for applications requiring robust thermal dissipation capabilities.

Part Context

This part belongs to the LT1172 series of high-power switching regulators. The series is characterized by its ability to operate in all standard switching configurations while maintaining high efficiency. The LT1172 integrates essential control and protection functions into a single monolithic chip.