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LM78S40CN

Part No LM78S40CN
Manufacturer Texas Instruments
Catalog PMIC - Voltage Regulators - DC DC Switching Regulators
Description Universal Switching Regulator Subsystem | IC REG BUCK BST ADJ 1.5A 16DIP
Sample
Rohs State Need to verify
ECAD Module
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Categories Integrated Circuits
Manufacturer Texas Instruments
Packaging Tube
Status Obsolete
Function Step-Up, Step-Down
Output Configuration Positive or Negative
Topology Buck, Boost
Output Type Adjustable
Voltage - Input (Minimum) 2.5V
Voltage - Input (Maximum) 40V
Min/Fixed Output Voltage 1.25V
Maximum Output Voltage 40V (Switch)
Output Current 1.5A (Switch)
Switching Frequency 100Hz ~ 100kHz
Temperature Range - Operating 0°C ~ 70°C
Mounting Style Through Hole
Manufacturer Package 16-DIP
Supplier Device Package 16-PDIP
Family Part Number LM78S40
Manufacturer Pack Quantity 25
MSL Level 1 (Unlimited)
Win Source Part Number 1200774-LM78S40CN
Manufacturer Homepage www.national.com
Popularity Medium
Supply and Demand Status Balance
Ultra Librarian 3D Model Ultra Librarian LM78S40CN CAD Model

Description

The LM78S40CN from Texas Instruments is a versatile and robust step-down voltage regulator integrated circuit. Designed to convert higher voltage levels down to lower levels, this device is an integral component in power management systems. Its ability to provide stable and reliable output makes it suitable for a wide range of applications, including consumer electronics, automotive, and industrial equipment.

Key Features

  • Wide Input Voltage Range: The LM78S40CN can handle input voltages from 4.5V to 40V, making it adaptable to various power sources and ensuring compatibility with numerous applications.
  • High Efficiency: This regulator is designed for high efficiency, which is essential for reducing heat dissipation and improving overall system performance.
  • Adjustable Output Voltage: Users can set the output voltage to their desired level through external resistors, offering flexibility across different design requirements.
  • Current Limiting and Thermal Shutdown: These built-in protection features safeguard the device against overcurrent conditions and excessive temperatures, enhancing its reliability and longevity.
  • Minimal External Components: The LM78S40CN requires only a few external components for operation, simplifying circuit design and saving board space.

Applications

  • Switching power supplies
  • Battery chargers
  • DC-DC converters
  • Power supplies for consumer electronics
  • Automotive accessories
  • Industrial power systems

Technical Specifications

Parameter Value Input Voltage (V<sub>IN) 4.5V to 40V Output Voltage (V<sub>OUT) Adjustable Output Current Up to 1.5A Package Type DIP-16

The LM78S40CN is a reliable choice for designers looking for a standard, no-frills voltage regulator that delivers consistent performance. Its ease of use and straightforward implementation make it a go-to component for a myriad of power regulation needs.

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Pricing & Ordering

Quantity Unit Price Ext. Price
22+ $2.3714 $52.1708
52+ $1.9457 $101.1764
80+ $1.8849 $150.7920
110+ $1.8241 $200.6510
142+ $1.7633 $250.3886
190+ $1.5809 $300.3710
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
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Availability: 780 pieces
MOQ: 22 pcs
Order Increment : 1 pcs
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