Integrated Circuits (ICs)

LM2599T-12/NOPB

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SIMPLE SWITCHER POWER CONVERTER 150 KHZ 3A STEP-DOWN VOLTAGE REGULATOR WITH FEATURES

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Search across all available documentation for this part.

DocumentsAN-1520 A Guide to Board Layout for Best Thermal Resistance for Exposed Packages (Rev. B)AN-1889 How to Measure the Loop Transfer Function of Power Supplies (Rev. A)+17

Integrated Circuits (ICs)

LM2599T-12/NOPB

Active

Texas Instruments

SIMPLE SWITCHER POWER CONVERTER 150 KHZ 3A STEP-DOWN VOLTAGE REGULATOR WITH FEATURES

Deep-Dive with AI

DocumentsAN-1520 A Guide to Board Layout for Best Thermal Resistance for Exposed Packages (Rev. B)AN-1889 How to Measure the Loop Transfer Function of Power Supplies (Rev. A)+17

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	LM2599T-12/NOPB

Current - Output	3 A
Function	Step-Down
Mounting Type	Through Hole
Number of Outputs	1
Operating Temperature [Max]	125 ¯C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive
Output Type	1.81 mOhm
Package / Case	TO-220-7 Formed Leads
Supplier Device Package	TO-220-7
Synchronous Rectifier	False
Topology	Buck
Voltage - Input (Min) [Min]	4.5 V
Voltage - Output (Min/Fixed)	12 V

LM2599 Series

Part	Operating Temperature [Min]	Operating Temperature [Max]	Number of Outputs	Output Configuration	Current - Output	Package / Case	Voltage - Output (Min/Fixed)	Function	Supplier Device Package	Topology	Mounting Type	Voltage - Input (Min) [Min]	Voltage - Output (Max)	Output Type	Output Type
Texas Instruments LM2599S-ADJ	-40 °C	125 ¯C	1	Positive	3 A	D2PAK (7 Leads + Tab) TO-263-8 TO-263CA	1.23 V	Step-Down	TO-263 (DDPAK-7)	Buck	Surface Mount	4.5 V	37 V	Adjustable
Texas Instruments LM2599T-12	-40 °C	125 ¯C	1	Positive	3 A	TO-220-7 Formed Leads	12 V	Step-Down	TO-220-7	Buck	Through Hole	4.5 V			1.81 mOhm
Texas Instruments LM2599SX-3.3	-40 °C	125 ¯C	1	Positive	3 A	D2PAK (7 Leads + Tab) TO-263-8 TO-263CA	3.3 V	Step-Down	TO-263 (DDPAK-7)	Buck	Surface Mount	4.5 V			1.81 mOhm
Texas Instruments LM2599SX-12/NOPB	-40 °C	125 ¯C	1	Positive	3 A	D2PAK (7 Leads + Tab) TO-263-8 TO-263CA	12 V	Step-Down	TO-263 (DDPAK-7)	Buck	Surface Mount	4.5 V			1.81 mOhm
Texas Instruments LM2599T-ADJ/NOPB	-40 °C	125 ¯C	1	Positive	3 A	TO-220-7 Formed Leads	1.23 V	Step-Down	TO-220-7	Buck	Through Hole	4.5 V	37 V	Adjustable
Texas Instruments LM2599T-12/NOPB	-40 °C	125 ¯C	1	Positive	3 A	TO-220-7 Formed Leads	12 V	Step-Down	TO-220-7	Buck	Through Hole	4.5 V			1.81 mOhm
Texas Instruments LM2599T-3.3/NOPB	-40 °C	125 ¯C	1	Positive	3 A	TO-220-7 Formed Leads	3.3 V	Step-Down	TO-220-7	Buck	Through Hole	4.5 V			1.81 mOhm
Texas Instruments LM2599S-12	-40 °C	125 ¯C	1	Positive	3 A	D2PAK (7 Leads + Tab) TO-263-8 TO-263CA	12 V	Step-Down	TO-263 (DDPAK-7)	Buck	Surface Mount	4.5 V			1.81 mOhm
Texas Instruments LM2599S-5.0/NOPB	-40 °C	125 ¯C	1	Positive	3 A	D2PAK (7 Leads + Tab) TO-263-8 TO-263CA	5 V	Step-Down	TO-263 (DDPAK-7)	Buck	Surface Mount	4.5 V			1.81 mOhm
Texas Instruments LM2599SX-12	-40 °C	125 ¯C	1	Positive	3 A	D2PAK (7 Leads + Tab) TO-263-8 TO-263CA	12 V	Step-Down	TO-263 (DDPAK-7)	Buck	Surface Mount	4.5 V			1.81 mOhm

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Tube	1	$ 6.04
		10	$ 5.42
		45	$ 5.12
		135	$ 4.44
		270	$ 4.21
		540	$ 3.78
		1035	$ 3.19
		2520	$ 3.03
Texas Instruments	TUBE	1	$ 4.15
		100	$ 3.38
		250	$ 2.66
		1000	$ 2.25

Description

General part information

LM2599 Series

The LM2599 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving a 3-A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3 V, 5 V, 12 V, and an adjustable output version.

The LM2598 is a member of the LM259x family, with additional supervisory and performance features added.

Requiring a minimum number of external components, these regulators are simple to use and include internal frequency compensation, improved line and load specifications, fixed-frequency oscillator,Shutdownand Soft-start, error flag delay, and error flag output.

Documents

Technical documentation and resources

LM2599T-12/NOPB

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LM2599T-12/NOPB

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Technical Specifications

LM2599 Series

Pricing

Description

LM2599 Series

Documents

AN-1520 A Guide to Board Layout for Best Thermal Resistance for Exposed Packages (Rev. B)

AN-1889 How to Measure the Loop Transfer Function of Power Supplies (Rev. A)

How to increase system reliability and simplify design using DC/DC converters

LM2599 SIMPLE SWITCHER® Power Converter 150-kHz 3-A Step-Down Voltage Regulator, With Features datasheet (Rev. D)

The importance of accurate switching frequency and current limit when selecting bu

Input and Output Capacitor Selection

AN-2155 Layout Tips for EMI Reduction in DC/ DC Converters (Rev. A)

Low EMI Layout Made SIMPLE With LM43600/1/2/3 and LM46000/1/2 (Rev. A)

AN-1149 Layout Guidelines for Switching Power Supplies (Rev. C)

AN-1246 Stresses in Wide Input DC-DC Converters (Rev. C)

AN-1197 Selecting Inductors for Buck Converters (Rev. B)

AN-2162 Simple Success With Conducted EMI From DC-DC Converters (Rev. C)

Advantages of leaded packages in robust industrial designs

Simple Techniques Minimize Cross-Coupling in Distributed Power Systems

Semiconductor and IC Package Thermal Metrics (Rev. D)

AN-1229 SIMPLE SWITCHER PCB Layout Guidelines (Rev. C)

AN-1566 Techniques for Thermal Analysis of Switching Power Supply Designs (Rev. A)

AN-1081 Low-Cost Low-Parts-Count DC/DC Converter With Multiple Outputs (Rev. B)

AN-643 EMI/RFI Board Design (Rev. B)

LM2599 Series