LM2599SX-3.3

$4.56

Description：IC REG BUCK 3.3V 3A TO263
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:a1b82cbf7bdc Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LM2599SX-3.3 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 3A TO263. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM2599SX-3.3

Description：IC REG BUCK 3.3V 3A TO263
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Fixed
Number of Outputs：1
Voltage - Input (Min)：4.5V
Voltage - Input (Max)：40V
Voltage - Output (Min/Fixed)：3.3V
Voltage - Output (Max)：-
Current - Output：3A
Frequency - Switching：150kHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：TO-263-8, D2PAK (7 Leads + Tab), TO-263CA
Supplier Device Package：TO-263 (DDPAK-7)
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LM2599SX-3.3

LM2599SX-3.3

Voltage Regulators - DC DC Switching Regulators Overview

The LM2599SX-3.3 is a Texas Instruments SIMPLE SWITCHER power converter, functioning as a 150 kHz step-down voltage regulator. It provides a fixed 3.3 V output with a maximum output current of 3 A. The device accepts an input voltage range from 4.5 V to 40 V and operates within a junction temperature range of -40 °C to +125 °C. It utilizes pulse width modulation control in a D2PAK-7 (TO-263) surface-mount package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated monolithic switching regulator designed for high-efficiency step-down conversion
Fixed internal oscillator eliminates the need for external timing components
Includes built-in thermal shutdown and current limit protection circuits

Voltage Regulators - DC DC Switching Regulators Applications

Point-of-load regulation modules
Pre-regulators for post-switching regulators
Efficient buck converters for battery-powered systems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'SX' against the manufacturer's official datasheet to confirm the exact tape-and-reel packaging configuration and lead frame material. Ensure the component meets RoHS compliance requirements if applicable to your assembly process by checking the NOPB designation status.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.3 V output at up to 3 A is required from an input source between 4.5 V and 40 V. Consider the TO-263 package for its thermal dissipation capabilities in space-constrained designs requiring moderate current handling without external pass transistors.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2599 family of SIMPLE SWITCHER regulators, which are widely used for general-purpose DC-DC conversion. The series offers various fixed output voltages and adjustable versions, providing a standardized solution for efficient power management in industrial and consumer electronics applications.