LT1074HVCT#PBF

$18.41

Description：IC REG BUCK BST ADJ 5.5A TO220-5
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:1bd55f0cdd24 Category: Voltage Regulators - DC DC Switching Regulators Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG BUCK BST ADJ 5.5A 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, Flyback
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：8V
Voltage - Input (Max)：64V
Voltage - Output (Min/Fixed)：2.5V
Voltage - Output (Max)：35V
Current - Output：5.5A (Switch)
Frequency - Switching：100kHz
Synchronous Rectifier：No
Operating Temperature：0°C ~ 70°C (TA)
Mounting Type：Through Hole
Package / Case：TO-220-5
Supplier Device Package：TO-220-5
Grade：-
Qualification：-

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LT1074HVCT#PBF

Overview

The LT1074HVCT#PBF is a monolithic bipolar switching regulator manufactured by Analog Devices Inc., designed for high-voltage DC-DC conversion applications. It operates with an input voltage range of 4.5 V to 40 V and provides a single adjustable output ranging from 2.5 V to 35 V. The device supports a maximum switch current of 5.5 A and functions at a fixed switching frequency of 100 kHz. It features a shutdown capability and operates within a temperature range of -40°C to +85°C. Packaged in a TO-220-5 through-hole format, it integrates the power switch, oscillator, control circuitry, and current limit components on-chip.

Feature Summary

Integrates power switch, oscillator, control circuitry, and current limit components on a single chip
Supports multiple topologies including buck, boost, and flyback configurations
Features adjustable output voltage capability across a wide range
Includes built-in shutdown functionality for power management

Applications

Positive-to-negative converter circuits with 5V output
Negative boost converter applications
Tapped-inductor buck converter designs
General-purpose step-down DC-DC conversion systems

Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm RoHS compliance status via official datasheets before integration. Check manufacturing date codes and lot traceability for quality assurance. Ensure storage conditions meet specified humidity sensitivity levels. Validate pinout compatibility with existing PCB footprints during design review.

Selection Notes

Select this component when designing systems requiring high input voltages up to 40 V with robust current handling capabilities. Consider the TO-220-5 package for thermal performance in through-hole implementations. Evaluate the 100 kHz switching frequency against electromagnetic interference requirements. Assess the need for shutdown functionality in power-sensitive applications. Compare against lower voltage variants if input ranges exceed specifications.

Part Context

The LT1074 series represents a family of monolithic bipolar switching regulators known for requiring minimal external components. The HV variant specifically addresses higher voltage input requirements compared to standard versions. This part belongs to the broader LT1074 product line, which includes various packages and temperature grades. It serves as a foundational component for discrete switching regulator designs in industrial and commercial power supplies.