LT1172HVIQ#TRPBF

$7.20

Description：IC REG BCK BST ADJ 1.25A DDPAK-5
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)

SKU:8a8b80513be8 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 DDPAK-5
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)
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)：60V
Voltage - Output (Min/Fixed)：1.244V
Voltage - Output (Max)：75V (Switch)
Current - Output：1.25A (Switch)
Frequency - Switching：100kHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 100°C (TJ)
Mounting Type：Surface Mount
Package / Case：TO-263-6, D2PAK (5 Leads + Tab), TO-263BA
Supplier Device Package：DDPAK-5

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LT1172HVIQ#TRPBF

Overview

The LT1172HVIQ#TRPBF is a monolithic high-power switching regulator manufactured by Analog Devices Inc. It operates within an input voltage range of 3 V to 60 V and provides an adjustable output voltage with a maximum output current of 1.25 A. The device supports multiple standard switching topologies, including buck, boost, flyback, forward, inverting, and Cuk configurations. Key electrical parameters include a fixed switching frequency of 100 kHz and a quiescent operating current of 6 mA. It is housed in a DDPAK-5 surface-mount package and functions reliably across a temperature range from -40°C to +100°C.

Feature Summary

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

Applications

Flyback converter designs
Negative boost regulator circuits
Positive buck converter applications

Procurement Notes

Verify the specific suffix against official documentation to confirm tape-and-reel packaging versus tube variants. Confirm RoHS compliance status through manufacturer datasheets. Ensure the component matches the exact pinout and thermal requirements for the target application before finalizing procurement decisions.

Selection Notes

Select this component when a versatile regulator supporting multiple topologies is required. It is suitable for applications needing a wide input voltage range up to 60 V. Consider the 1.25 A output limit and 100 kHz switching frequency during design. Verify that the DDPAK-5 package meets the thermal dissipation needs of the system.

Part Context

This part belongs to the LT1172 series of high-power switching regulators. The series is characterized by its ability to operate in various standard switching configurations. The HVIQ designation indicates a specific temperature grade and package variant within the broader product family.