78L05-LDO5V Linear Voltage Regulator TO-92

78L05-LDO5V Linear Voltage Regulator TO-92 is a compact and efficient low-dropout (LDO) linear regulator that provides a fixed 5V output from higher voltage sources. Designed for low current applications, it is ideal for powering microcontrollers, sensors, and other low-power circuits. Housed in a TO-92 package, it is perfect for breadboarding, DIY electronics, and compact designs.

Key Features:

• Fixed 5V Output: Provides regulated 5V for powering logic-level electronics.
• Wide Input Range: Accepts input voltages from 7V to 20V.
• Current Limiting: Built-in protection against overcurrent situations.
• Thermal Shutdown: Protects regulator from damage due to overheating.
• Low Quiescent Current: Efficient performance with minimal self-power usage.

Technical Specifications:

• Output Voltage: 5V ±5%
• Input Voltage Range: 7V to 20V
• Maximum Output Current: 100mA
• Dropout Voltage: ~1.7V at full load
• Quiescent Current: ≤6mA
• Line Regulation: 60mV (typ.)
• Load Regulation: 60mV (typ.)

Mechanical Specifications:

• Package Type: TO-92
• Mounting Type: Through-hole
• Lead Pitch: 1.27mm (standard spacing)
• Body Material: Molded plastic epoxy

Dimensions:

• Body Width: ~4.5mm
• Height: ~5mm (excluding leads)
• Lead Length: ~14mm
• Total Height: ~19mm (including leads)

Pinout and Wiring:

• Pin 1 (Input): Connect to unregulated DC input voltage (7V to 20V)
• Pin 2 (Ground): Connect to system ground
• Pin 3 (Output): Provides regulated 5V output

Datasheet Reference:

• Search for “78L05 TO-92 datasheet ON Semiconductor” or “Fairchild 78L05 regulator datasheet”

Applications:

• Microcontroller Power: Supplies 5V to Arduino, ESP8266, STM32, etc.
• Sensor Modules: Stable voltage source for analog or digital sensors
• Battery-Powered Projects: Efficient regulation in portable systems
• DIY Circuits: General-purpose voltage regulation in custom electronics

Equivalent Models:

• LM78L05: Texas Instruments-compatible 5V linear regulator
• KA78L05: Fairchild Semiconductor drop-in equivalent
• L78L05ACZ: STMicroelectronics version with same specs
• MC78L05: ON Semiconductor’s standard equivalent

Package Includes:

• 1 x 78L05-LDO5V Linear Voltage Regulator TO-92