L78L12ABZ - STMicroelectronics

Manufacturer Part Number

L78L12ABZ

Manufacturer

stmicroelectronics

Introduction

The L78L12ABZ is a fixed output, low drop-out (LDO) linear voltage regulator that provides a 12V output from an input up to 35V. It comes in a TO-92 package and is designed for simple, low-power consumption applications.

Product Features and Performance

Positive output configuration

Fixed output type

Single regulator configuration

Input voltage up to 35V

Fixed output voltage of 12V

Current output of 100mA

Quiescent current of 6 mA

Supply Current maximum of 6.5 mA

Power Supply Rejection Ratio (PSRR) of 42dB at 120Hz

Product Advantages

High input voltage capability

Low quiescent current which enhances power efficiency

Stable and reliable fixed output

Protection against overcurrent, over temperature, and short circuit incidents

Key Technical Parameters

Voltage - Input (Max): 35V

Voltage - Output (Min/Fixed): 12V

Current - Output: 100mA

Current - Quiescent (Iq): 6 mA

Current - Supply (Max): 6.5 mA

PSRR: 42dB (120Hz)

Quality and Safety Features

Protection from Over Current, Over Temperature, and Short Circuit

Compatibility

Through hole mounting type

Compatible with TO-226-3, TO-92-3 (TO-226AA) package

Application Areas

Low power applications in consumer electronics

Energy management

Power supplies for small electronics

Product Lifecycle

Status: Active

Not nearing discontinuation

Replacements or upgrades are available if needed

Several Key Reasons to Choose This Product

High input voltage capability for flexible application use

Low dropout feature for better performance in low voltage situations

Built-in protection features ensure long-term reliability

Low operational current aiding in power conservation

Suitable for standard through-hole mounting, simplifying the design and assembly process