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LM78S40CN +BOM

This DC-DC converter is suitable for a wide range of applications, thanks to its adjustable voltage settings

Manufacturer:

Texas Instruments
Mfr.Part #:

LM78S40CN
Datasheet:

LM78S40CN Datasheet (PDF)
Output Voltage:

1.25 V to 40 V
Output Current:

1.5 A
Input Voltage, Max:

40 V
Number of Outputs:

1 Output
EDA/CAD Models:

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LM78S40CN General Description

The LM78S40CN is a voltage regulator manufactured by Texas Instruments. It is designed to provide a regulated output voltage of 5 volts with a maximum output current of 1 amp. The regulator operates over a wide input voltage range of 4.75 volts to 40 volts, making it suitable for various applications.The LM78S40CN is a monolithic integrated circuit with thermal overload protection and short circuit protection features. It includes internal current limiting and thermal shutdown to prevent damage to the device in case of a fault condition. The regulator also has a ripple rejection of 80 dB, ensuring a stable output voltage even under varying loads.The LM78S40CN comes in a 5-pin TO-220 package, making it easy to integrate into different circuits. It is commonly used in power supply applications, battery chargers, and other electronic devices where a stable 5-volt output is required.

Key Features

LM78S40CN is a voltage regulator with current limiting and thermal shutdown protection

It has an adjustable output voltage from 2V to 47V, can handle input voltage up to 40V, and provides up to 3A of output current

It also has built-in overvoltage protection and can be easily adjusted using external resistors

Application

The LM78S40CN is commonly used in various power management applications such as voltage regulation, DC-DC converter circuits, battery charging systems, and power supply modules

It can also be found in industrial control systems, telecommunications equipment, automotive electronics, and instrumentation devices that require precise voltage and current regulation

Specifications

Product Category	Switching Voltage Regulators	Output Voltage	1.25 V to 40 V
Output Current	1.5 A	Input Voltage, Max	40 V
Number of Outputs	1 Output	Topology	Buck
Mounting Style	Through Hole	Switching Frequency	100 Hz to 100 kHz
Minimum Operating Temperature	0 C	Maximum Operating Temperature	+ 70 C
Series	LM78	Input Voltage, Min	2.5 V
Load Regulation	0.5 mV/mA	Product Type	Switching Voltage Regulators
Factory Pack Quantity	25	Subcategory	PMIC - Power Management ICs
Type	Step Down	Unit Weight	0.057419 oz