LT1072HVCT#PBF

Voltage Regulators - DC DC Switching Regulators Overview

The LT1072HVCT#PBF is a monolithic high-power switching regulator manufactured by Analog Devices Inc. It operates with input voltages from 3V to 60V and provides an adjustable output voltage up to 75V. The device features a built-in high-current switch capable of delivering 1.25A, with a fixed switching frequency of 40kHz and a quiescent current of 6mA. It supports multiple topologies including buck, boost, flyback, forward, inverting, and Cuk configurations. The component is housed in a TO-220-5 package and is rated for operation between -40°C and +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a high-efficiency power switch and complete control circuitry on a single die
• Supports versatile DC-DC conversion topologies including buck, boost, flyback, forward, inverting, and Cuk
• Operates over a wide input voltage range from 3V to 60V
• Includes shutdown functionality for power management

Voltage Regulators - DC DC Switching Regulators Applications

• Positive or negative buck-boost converter designs
• Flyback converter implementations
• Forward converter applications
• Inverting power supply circuits
• Cuk converter systems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix HV against standard LT1072 variants to confirm high-voltage rating specifications. Ensure the TO-220-5 through-hole package matches the thermal and mechanical requirements of the target design. Confirm RoHS compliance status and lead times directly with authorized distributors as availability may vary.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a wide input voltage range up to 60V and high output capability are required. The integrated switch eliminates external transistor selection. Consider the 40kHz switching frequency for magnetics sizing. Verify that the TO-220-5 package provides adequate thermal dissipation for the intended load current and ambient temperature conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

The LT1072 series represents a family of monolithic switching regulators designed for high-power applications. The LT1072HV variant specifically addresses higher voltage input and output requirements compared to standard versions. It consolidates oscillator, control, and protection logic with the power switch, simplifying circuit design for complex DC-DC conversion tasks.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LT1072IT#PBF: Standard voltage version with lower max input/output ratings. LT1072CN8#PBF: PDIP package alternative with similar electrical characteristics but different form factor.