LM2596S-12/NOPB

Name: LM2596S-12/NOPB
Brand: Texas Instruments
Availability: InStock
Rating: 4.5 (10 reviews)
Author: Lisleapex

Switching Voltage Regulators 150 KHZ 3A STEP-DOWN VLTG REG

4,193 Effective Inventory

LM2596S-12/NOPB

Effective Inventory4,193

Switching Voltage Regulators 150 KHZ 3A STEP-DOWN VLTG REG

Manufacturer Part # : LM2596S-12/NOPB
Package/Case: TO263-5
Brand: Texas Instruments
Product Categories : Voltage Regulators , DC DC Switching Regulators
Series : LM2596

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LM2596S-12/NOPB DataSheet

Pricing (USD)

Quantity	Unit Price	Ext. Price
1	$4.340	$4.34
10	$4.135	$41.35
45	$4.009	$180.40
90	$3.905	$351.45

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

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LM2596S-12/NOPB Details

The LM2596S-12/NOPB is a step-down voltage regulator from Texas Instruments, designed to efficiently convert higher input voltage to a stable 12V output. This regulator is capable of delivering up to 3A of output current with high efficiency, making it suitable for various power supply applications. It features overcurrent and thermal protection for reliable operation.

Pinout

1 (VIN): Input Voltage
2 (GND): Ground
3 (VOUT): Output Voltage
4 (EN): Enable Pin

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

Efficient Voltage Conversion: Converts higher input voltage to a stable 12V output with high efficiency.
High Output Current: Capable of delivering up to 3A of output current for various applications.
Overcurrent Protection: Provides protection against excessive output current to ensure device safety.
Thermal Protection: Features thermal shutdown protection to prevent overheating.

Application

Power Supply: Ideal for powering electronic circuits and devices requiring a stable 12V supply.
DC-DC Conversion: Used for efficient voltage conversion in DC-DC applications.
Battery Charging: Suitable for battery charging systems requiring a regulated 12V output.

Where to Use

The LM2596S-12/NOPB is suitable for applications that require efficient step-down voltage regulation to generate a stable 12V output. It is commonly used in power supplies, DC-DC converters, and battery charging systems for reliable performance and high efficiency.

How to Use

Connect the LM2596S-12/NOPB to your circuit by wiring the VIN and GND pins to the input power source and ground, respectively. The VOUT pin provides a regulated 12V output for your load. The EN pin can be used to enable or disable the regulator as needed. Ensure proper heat sinking for improved thermal performance. For detailed usage instructions, refer to the datasheet.

Application Circuit

The application circuit diagram for the LM2596S-12/NOPB demonstrates how to integrate the voltage regulator into your electronic system. It includes connections for input voltage, ground, output voltage, and enable pin, ensuring proper functionality and efficiency.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

LM2940: A similar voltage regulator with fixed 12V output from Texas Instruments.
LM7812: A classic 12V voltage regulator providing stable output voltage.

Complementary

The LM2596S-12/NOPB can be paired with input and output capacitors suitable for filtering and stability in voltage regulation applications. Additionally, it complements components like heatsinks for thermal management in high-power setups.

When selecting complementary components, ensure compatibility with the LM2596S-12/NOPB and consider the overall system requirements for optimal performance.

Frequently Asked Questions

Q: What is the maximum output current of the LM2596S-12/NOPB?

A: The LM2596S-12/NOPB is capable of delivering up to 3A of output current. Be sure to check the datasheet for specific operating conditions and limitations.

Q: Can the LM2596S-12/NOPB be used for automotive applications?

A: Yes, the LM2596S-12/NOPB is suitable for automotive power supply and voltage regulation tasks, providing a stable 12V output for various automotive electronics.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Vin (min) (V)	4.5	Vin (max) (V)	40
Vout (min) (V)	3.3	Vout (max) (V)	37
Iout (max) (A)	3	Iq (typ) (mA)	5
Switching frequency (min) (kHz)	110	Switching frequency (max) (kHz)	173
Features	Enable, Over Current Protection	Operating temperature range (°C)	-40 to 125
Rating	Catalog	Regulated outputs (#)	1
Control mode	Voltage mode	Duty cycle (max) (%)	100
Type	Converter

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification LM2596S-12/NOPB PDF Download

FAQs

What is LM2596S-12/NOPB?

The LM2596S-12/NOPB is a step-down (buck) switching voltage regulator designed by Texas Instruments. It is capable of efficiently reducing a higher input voltage to a lower output voltage, making it suitable for DC-DC power supply applications in various electronic devices.

How Does LM2596S-12/NOPB Work?

The LM2596S-12/NOPB works by using a pulse-width modulation (PWM) control scheme to regulate the output voltage. It efficiently switches the input voltage on and off, controlling the average voltage delivered to the load. This switching action allows the regulator to achieve high efficiency and minimize power dissipation.

How Many Pins does LM2596S-12/NOPB have and What are the Functions of the Pinout Configuration?

The LM2596S-12/NOPB is housed in a 5-lead TO-220 package. The pinout configuration includes:

VIN: Input voltage pin.
GND: Ground pin.
VOUT: Output voltage pin.
ON/OFF: On/Off control pin.
Feedback: Feedback pin for voltage regulation.

What are the Pros and Cons of LM2596S-12/NOPB?

Pros:

Efficiency: Provides high efficiency in converting input voltage to a lower output voltage.
Wide Input Voltage Range: Supports a wide input voltage range, offering flexibility in power supply design.
Thermal Shutdown Protection: Includes thermal shutdown and short-circuit protection for safe operation.
Compact Package: The TO-220 package is suitable for easy mounting and heat dissipation.

Cons:

External Components: May require external components such as inductors and capacitors for proper operation.
Noisy: Has potential for electromagnetic interference (EMI) due to switching action.
Heat Dissipation: High power dissipation may require additional heat sinking for thermal management.

Are There Any Equivalents/Alternatives to LM2596S-12/NOPB for Recommendation?

The LM2576 from Texas Instruments is a similar step-down switching regulator with different pinout and performance specifications.
Alternatives to the LM2596S-12/NOPB include the MP2307 from Monolithic Power Systems and the XL4005 from XLSemi.