LM338 5A Adjustable Positive Voltage Regulator TO-220

LM338 5A Adjustable Positive Voltage Regulator TO-220 is a high-performance voltage regulator capable of delivering up to 5A of continuous output current. With an adjustable output voltage range of 1.2V to 32V, it is ideal for power supply designs, battery chargers, and voltage regulation in industrial and DIY projects. Its TO-220 package ensures efficient heat dissipation and ease of use.

Key Features of LM338 Adjustable Voltage Regulator:

• • Adjustable Output: Provides an output voltage range of 1.2V to 32V.
  • High Current Capacity: Supports up to 5A of continuous output current.
  • Low Dropout Voltage: Operates with a dropout voltage as low as 1.5V.
  • Built-in Protection: Includes thermal overload, current limiting, and safe operating area (SOA) protection.
  • Compact Package: TO-220 package for efficient heat dissipation.

Technical Specifications of LM338 Adjustable Voltage Regulator:

• • Output Voltage Range: 1.2V to 32V
  • Output Current: Up to 5A
  • Input Voltage Range: 4.2V to 35V
  • Dropout Voltage: 1.5V at 5A
  • Line Regulation: 0.005% (typical)
  • Load Regulation: 0.1% (typical)
  • Package Type: TO-220
  • Operating Temperature: -40°C to +125°C

Mechanical Characteristics of LM338 Adjustable Voltage Regulator:

• • Dimensions: 10.4mm x 4.6mm x 9.15mm (TO-220 package)
  • Weight: Approximately 2 grams
  • Material: Epoxy mold compound
  • Mounting: Through-hole
  • Color: Black with white markings

Schematic Diagram and Pinout of LM338 Adjustable Voltage Regulator:

• • Pinout:
    • Pin 1: Adjust (ADJ) – Connects to the voltage divider for output adjustment.
    • Pin 2: Output (OUT) – Provides the regulated output voltage.
    • Pin 3: Input (IN) – Connects to the input voltage source.
  • Schematic Diagram: The LM338 connects to an input voltage source (Pin 3), with the output (Pin 2) providing the regulated voltage. The ADJ pin (Pin 1) is connected to a voltage divider to set the desired output voltage.

Applications of LM338 Adjustable Voltage Regulator:

• • Power Supplies: Provides stable voltage for electronic circuits.
  • Battery Chargers: Regulates charging voltage for batteries.
  • Voltage Regulation: Adjusts voltage levels in DIY projects and prototypes.
  • Industrial Equipment: Used in machinery requiring precise voltage control.
  • DIY Electronics: Perfect for hobbyists building adjustable power supplies.

Equivalent Models of LM338 Adjustable Voltage Regulator:

• • LM317 Voltage Regulator: A similar adjustable voltage regulator with a lower current rating.
  • LM350 Voltage Regulator: Alternative adjustable regulator with a 3A current capacity.

Datasheet:

• • Download LM338 Adjustable Voltage Regulator Datasheet

Keywords for LM338 Adjustable Voltage Regulator:

• • LM338 Voltage Regulator
  • Adjustable Voltage Regulator
  • TO-220 Voltage Regulator
  • 5A Voltage Regulator
  • Linear Voltage Regulator

Package Includes:

• • 1 x LM338 5A Adjustable Positive Voltage Regulator TO-220