L78L09CD13TR - STMicroelectronics

Manufacturer Part Number

L78L09CD13TR

Manufacturer

STMicroelectronics

Introduction

The L78L09CD13TR, developed by STMicroelectronics, falls under the category of linear, low drop-out (LDO) voltage regulators, specifically designed for power management applications.

Product Features and Performance

Fixed output voltage regulator providing stable 9V output.

Low quiescent current of 5.5 mA enhances power efficiency.

Capable of supplying currents up to 100mA.

Supports input voltages up to 30V.

PSRR of 44dB (120Hz), ensuring good noise rejection at moderate frequencies.

Integrates over-current, over-temperature, and short-circuit protection, enhancing device reliability and safety.

Product Advantages

High level of integration contributes to a reduction in external component count.

The fixed 9V output simplifies the power supply design for standard 9V applications.

Low quiescent current aids in extending battery life in portable applications.

Built-in protection features safeguard the device and downstream components from potential damage.

Key Technical Parameters

Voltage Input (Max): 30V

Voltage Output (Min/Fixed): 9V

Current Output: 100mA

Current Quiescent (Iq): 5.5mA

Current Supply (Max): 6mA

PSRR: 44dB (120Hz)

Operating Temperature: 0°C ~ 125°C

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Short Circuit Protection

Compatibility

Suitable for a wide range of circuits requiring a stable 9V supply.

Surface Mount, 8-SOIC package allows for easy integration in space-constrained applications.

Application Areas

Ideal for use in consumer electronics, low-power embedded systems, and battery-operated devices.

Product Lifecycle

Marked as obsolete, indicating discontinuation by STMicroelectronics.

Users should seek replacements or upgrades for new designs.

Several Key Reasons to Choose This Product

Reliability and safety are ensured through built-in protective features.

Low dropout helps maintain output voltage stability under lower input voltages.

Efficient power usage is conducive to portable and battery-operated applications.

The compact 8-SOIC package is advantageous for streamlined designs.

As a product of STMicroelectronics, it benefits from the manufacturer's reputation for quality and support.