UA78L09ACD - Texas Instruments

Manufacturer Part Number

UA78L09ACD

Manufacturer

Texas Instruments

Introduction

The UA78L09ACD is a low dropout (LDO) linear voltage regulator designed to provide a fixed 9V output from an input voltage up to 24V, featuring multiple protection features.

Product Features and Performance

Fixed 9V output voltage

Maximum of 24V input voltage

7V maximum voltage dropout at 40mA load

100mA output current

45dB power supply rejection ratio at 120Hz

Product Advantages

High integration of protective features ensures device reliability

Efficient for low-power applications due to low dropout performance

Compatible with surface mount technology for compact PCB designs

Key Technical Parameters

Voltage Input (Max): 24V

Voltage Output (Min/Fixed): 9V

Current Output: 100mA

Voltage Dropout (Max): 1.7V @ 40mA

PSRR: 45dB (120Hz)

Operating Temperature: 0°C ~ 125°C

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Reverse Polarity Protection

Short Circuit Protection

Compatibility

Compatible with circuits requiring a stable 9V input

Surface mount package compatible with standard manufacturing processes

Application Areas

Consumer electronics

Power management applications

Telecommunication infrastructures

Product Lifecycle

Status: Last Time Buy

Recommendation: Check for replacements or upgrades since it's nearing discontinuation

Several Key Reasons to Choose This Product

Reliable operation and longevity with built-in protection features

Suitable for a variety of applications due to broad operating temperature range

Ideal for compact designs due to its small size and surface mount compatibility

Useful in designs that require minimal dropout voltage for improved efficiency