L78L09ACZ-AP - STMicroelectronics

Manufacturer Part Number

L78L09ACZ-AP

Manufacturer

STMicroelectronics

Introduction

Low drop out voltage regulator optimised for low current applications

Product Features and Performance

Single LDO regulator

Fixed 9V output voltage

Maximum input voltage of 30V

100mA maximum output current

5mA quiescent current

6mA maximum supply current

Power supply rejection ratio (PSRR) of 44dB at 120Hz

Over current, over temperature and short circuit protection

Product Advantages

Optimized for low power consumption

Robust thermal protection

High input voltage capability

Good noise rejection with 44dB PSRR

Built-in protection features enhance reliability

Key Technical Parameters

Output Type: Fixed

Number of Regulators: 1

Voltage - Input (Max): 30V

Voltage - Output (Min/Fixed): 9V

Current - Output: 100mA

Current - Quiescent (Iq): 5.5 mA

Current - Supply (Max): 6 mA

PSRR: 44dB (120Hz)

Quality and Safety Features

Protection against over current conditions

Temperature protection to guard against overheating

Short circuit protection for circuit safety

Compatibility

Through Hole mounting compatible

Suitable for standard TO-92-3 packaging requirements

Application Areas

Low power electronic devices

Battery-powered equipment

Microcontroller power supplies

Product Lifecycle

Currently Active product

Not reported to be near discontinuation

Replacements or upgrades may be available

Several Key Reasons to Choose This Product

High reliability with built-in protection features

Suitable for a wide variety of applications due to flexible input voltage range

Extended operational temperature range of 0°C to 125°C

Low quiescent current for energy-sensitive projects

Easy to integrate with standard Through Hole mounting

STMicroelectronics' reputation for producing robust power components