Converter (Integrated Switch) - Step-Down (Buck) Converter - LM2596

SIMPLE SWITCHER Power Converter 150 KHz 3A Step-Down Voltage Regulator - LM2596

Datasheet

SIMPLE SWITCHER Pwr Cnvrtr 150kHz3A Step-Down VRegulator (Rev. C)
(PDF , 4724 KB) 03 Apr 2013
View All Technical Documents

Device Uses

Simple High-Efficiency Step-Down (Buck) Regulator
On-Card Switching Regulators
Positive to Negative Converter

WEBENCH^® LM2596

	Min		Max		Range
Vin		–		V	4.50 – 40.00V
Vout				V	1.23 – 40.00V
Iout				A	≤ 3.00A
Ambient Temp				°C	≤ 100°C


Footprint	BOM Cost	Efficiency



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Sample & Buy

Free Samples	Buy from Authorized Distributors	Part #	Status	Temp (^oC)	Price \| QTY	Package \| Pins	Top Side Marking	Package QTY \| Carrier	Distributor Inventory	TI 1k Lead Time
Not Available		LM2596S-12	ACTIVE		1.80 \| 1ku	DDPAK/TO-263 (KTT) \| 5	View	45 \| TUBE	987	For lead times contact TI Authorized Distributor or local TI sales office
		LM2596S-12/NOPB	ACTIVE		1.80 \| 1ku	DDPAK/TO-263 (KTT) \| 5	View	45 \| TUBE	>5K	1k quantity lead time: In stock
Not Available		LM2596S-3.3	ACTIVE		1.80 \| 1ku	DDPAK/TO-263 (KTT) \| 5	View	45 \| TUBE	1K - 5K	For lead times contact TI Authorized Distributor or local TI sales office
		LM2596S-3.3/NOPB	ACTIVE		1.80 \| 1ku	DDPAK/TO-263 (KTT) \| 5	View	45 \| TUBE	>5K	1k quantity lead time: In stock
Not Available		LM2596S-5.0	ACTIVE		1.80 \| 1ku	DDPAK/TO-263 (KTT) \| 5	View	45 \| TUBE	>5K	1k quantity lead time: In stock
		LM2596S-5.0/NOPB	ACTIVE		1.80 \| 1ku	DDPAK/TO-263 (KTT) \| 5	View	45 \| TUBE	>5K	1k quantity lead time: In stock
		LM2596S-ADJ/NOPB	ACTIVE	-40 to 125	1.80 \| 1ku	DDPAK/TO-263 (KTT) \| 5	View	45 \| TUBE	>5K	1k quantity lead time: In stock
Not Available	Contact Distributor	LM2596SX-12	ACTIVE		1.80 \| 1ku	DDPAK/TO-263 (KTT) \| 5	View	500 \| LARGE T&R	No Stock	For lead times contact TI Authorized Distributor or local TI sales office
Not Available		LM2596SX-12/NOPB	ACTIVE		1.80 \| 1ku	DDPAK/TO-263 (KTT) \| 5	View	500 \| LARGE T&R	>5K	1k quantity lead time: In stock
Not Available	Contact Distributor	LM2596SX-3.3	ACTIVE		1.80 \| 1ku	DDPAK/TO-263 (KTT) \| 5	View	500 \| LARGE T&R	No Stock	For lead times contact TI Authorized Distributor or local TI sales office
Not Available		LM2596SX-3.3/NOPB	ACTIVE		1.80 \| 1ku	DDPAK/TO-263 (KTT) \| 5	View	500 \| LARGE T&R	>5K	1k quantity lead time: In stock
Not Available		LM2596SX-5.0/NOPB	ACTIVE		1.80 \| 1ku	DDPAK/TO-263 (KTT) \| 5	View	500 \| LARGE T&R	>5K	1k quantity lead time: In stock
Not Available		LM2596SX-ADJ	ACTIVE	-40 to 125	1.80 \| 1ku	DDPAK/TO-263 (KTT) \| 5	View	500 \| LARGE T&R	1K - 5K	1k quantity lead time: In stock
Not Available		LM2596SX-ADJ/NOPB	ACTIVE	-40 to 125	1.80 \| 1ku	DDPAK/TO-263 (KTT) \| 5	View	500 \| LARGE T&R	>5K	1k quantity lead time: In stock
Not Available		LM2596T-12	ACTIVE		1.80 \| 1ku	TO-220 (NDH) \| 5	View	45 \| TUBE	639	For lead times contact TI Authorized Distributor or local TI sales office
Not Available	Contact Distributor	LM2596T-12/LF03	ACTIVE		1.80 \| 1ku	TO-220 (NDH) \| 5	View	45 \| TUBE	No Stock	For lead times contact TI Authorized Distributor or local TI sales office
		LM2596T-12/NOPB	ACTIVE		1.80 \| 1ku	TO-220 (NDH) \| 5	View	45 \| TUBE	1K - 5K	For lead times contact TI Authorized Distributor or local TI sales office
Not Available	Contact Distributor	LM2596T-3.3	ACTIVE		1.80 \| 1ku	TO-220 (NDH) \| 5	View	45 \| TUBE	No Stock	For lead times contact TI Authorized Distributor or local TI sales office
Not Available		LM2596T-3.3/LF03	ACTIVE		1.80 \| 1ku	TO-220 (NDH) \| 5	View	45 \| TUBE	614	For lead times contact TI Authorized Distributor or local TI sales office
		LM2596T-3.3/NOPB	ACTIVE		1.80 \| 1ku	TO-220 (NDH) \| 5	View	45 \| TUBE	768	For lead times contact TI Authorized Distributor or local TI sales office
Not Available		LM2596T-5.0	ACTIVE		1.80 \| 1ku	TO-220 (NDH) \| 5	View	45 \| TUBE	443	For lead times contact TI Authorized Distributor or local TI sales office
Not Available		LM2596T-5.0/LF03	ACTIVE		1.80 \| 1ku	TO-220 (NDH) \| 5	View	45 \| TUBE	140	For lead times contact TI Authorized Distributor or local TI sales office
		LM2596T-5.0/NOPB	ACTIVE		1.80 \| 1ku	TO-220 (NDH) \| 5	View	45 \| TUBE	>5K	1k quantity lead time: In stock
Not Available		LM2596T-ADJ	ACTIVE	-40 to 125	1.80 \| 1ku	TO-220 (NDH) \| 5	View	45 \| TUBE	1K - 5K	1k quantity lead time: In stock
Not Available	Contact Distributor	LM2596T-ADJ/LB05	ACTIVE		1.80 \| 1ku	TO-220 (NEB) \| 5	View	45 \| TUBE	No Stock	For lead times contact TI Authorized Distributor or local TI sales office
Not Available	Contact Distributor	LM2596T-ADJ/LF02	ACTIVE		1.80 \| 1ku	TO-220 (NEB) \| 5	View	45 \| TUBE	No Stock	For lead times contact TI Authorized Distributor or local TI sales office
		LM2596T-ADJ/NOPB	ACTIVE	-40 to 125	1.80 \| 1ku	TO-220 (NDH) \| 5	View	45 \| TUBE	>5K	1k quantity lead time: In stock

* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

Related Products

Part #	Name	Product Family	Comments
LM2599	SIMPLE SWITCHER Power Converter 150 KHz 3A Step-Down Voltage Regulator with Features	CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER	LM2596 W/ Error Flag, Soft Start And Shutdown Pin
LM2650	Synchronous Step-Down DC/DC Converter	CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER	3A Synchronous Step-Down Regulator
LM2670	SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync	CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER	Higher Switching Freq. W/ Freq. Synchronization And Enable Pin
LM2673	3A Step-Down Voltage Regulator with Adjustable Current Limit	CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER	Higher Switching Freq. W/ Soft Start And Prog. Current Limit
LM2676	SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator	CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER	Higher Switching Frequency, Smaller Package
LM2678	SIMPLE SWITCHER High Efficiency 5A Step-Down Voltage Regulator	CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER	Higher Current (5A) And Higher Switching Freq.

Technical Documents

Datasheet (1)

Title	Type	Size (KB)	Date	Views
SIMPLE SWITCHER Pwr Cnvrtr 150kHz3A Step-Down VRegulator (Rev. C)	PDF	4724	03 Apr 2013

Application Notes (5)

Title	Abstract	Type	Size (KB)	Date	Views
AN-1118 Simple Regulator Provides ±12V from 5V Source (Rev. D)	Read Abstract	PDF	94	23 Apr 2013	573
AN-1082 Adjust or Synchronize LM2586/88 Switching Frequency (Rev. B)	Read Abstract	PDF	69	23 Apr 2013	754
A Low Cost/Parts-Count DC/DC Converter w/Multiple Outputs (Rev. B)	Read Abstract	PDF	124	23 Apr 2013	884
Simple Techniques Minimize Cross-Coupling in Distributed Power Systems	Read Abstract	PDF	335	21 Mar 2007	761
Buck Converters Provide a Battery Charger and System Power	Read Abstract	PDF	61	21 Mar 2007	1,522

Tools & Software

Circuit Design & Simulation

WEBENCH^® LM2596

	Min		Max		Range
Vin		–		V	4.50 – 40.00V
Vout				V	1.23 – 40.00V
Iout				A	≤ 3.00A
Ambient Temp				°C	≤ 100°C


Footprint	BOM Cost	Efficiency



' '

What are WEBENCH® tools?

Development Tools (1)

Name	Part#	Type
Power Stage Designer of Most Commonly Used Switchmode Power Supplies	POWERSTAGE-DESIGNER	Circuit Design & Simulation

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Training & Events

Name	Type	Available During
Multi-Day PFC Design Workshop (Analog & Digital) sponsored by Biricha Digital Power Ltd.	In-Person	15 Mar 2014 - 22 Mar 2014
In-depth PFC Design Workshop	In-Person	12 Nov 2013 - 14 Nov 2013
Digital Power Multi-Day Workshop	In-Person	05 Nov 2013 - 07 Nov 2013
Optimizing Efficiency of Switching Mode Chargers	Recorded Content	On Demand
Single Cell Gauging 101 - Part 2: Classic Fuel Gauging Approaches	Recorded Content	On Demand

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Printable Reviews

LM2596 (ACTIVE) SIMPLE SWITCHER Power Converter 150 KHz 3A Step-Down Voltage Regulator