LM2591HVT-3.3/NOPB

$4.53

Description：IC REG BUCK 3.3V 1A TO220-5
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tube

SKU:b3dd389373d6 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LM2591HVT-3.3/NOPB is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC REG BUCK 3.3V 1A TO220-5. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM2591HVT-3.3/NOPB

Description：IC REG BUCK 3.3V 1A TO220-5
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tube
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Fixed
Number of Outputs：1
Voltage - Input (Min)：4.5V
Voltage - Input (Max)：60V
Voltage - Output (Min/Fixed)：3.3V
Voltage - Output (Max)：-
Current - Output：1A
Frequency - Switching：150kHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Through Hole
Package / Case：TO-220-5 Formed Leads
Supplier Device Package：TO-220-5
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LM2591HVT-3.3/NOPB

LM2591HVT-3.3/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2591HVT-3.3/NOPB is a SIMPLE SWITCHER power converter from Texas Instruments, functioning as a step-down voltage regulator with a fixed 3.3 V output and 1 A maximum output current. It operates at a switching frequency of 150 kHz and supports an input voltage range up to 60 V. The device utilizes a TO-220-5 package and is rated for operation between -40 °C and +125 °C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated monolithic switching regulator designed for high-efficiency step-down conversion
Fixed internal feedback network ensures stable 3.3 V output without external adjustment components
Built-in thermal shutdown and current limit protection mechanisms safeguard against overload conditions

Voltage Regulators - DC DC Switching Regulators Applications

Distributed power supply architectures requiring high-voltage step-down conversion
Battery-powered systems utilizing high-input voltage sources
Linear regulator pre-regulators to reduce heat dissipation in downstream circuits

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'T' indicates the TO-220 package variant distinct from surface-mount versions. Confirm the '/NOPB' designation aligns with current RoHS compliance requirements. Cross-reference the manufacturer datasheet to ensure the fixed 3.3 V output matches the design specification before procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a robust through-hole solution is required for high-input voltage applications exceeding standard linear regulator capabilities. The fixed 3.3 V output simplifies bill of materials compared to adjustable variants. Ensure the thermal management strategy accommodates the TO-220 package's power dissipation limits under full load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2591HV series, which provides a simplified design approach for high-voltage buck converters. Unlike the LM2590 series, the LM2591HV family offers higher efficiency and integrated protection features suitable for industrial and automotive environments requiring reliable DC-DC conversion.