LDK120C28R - STMicroelectronics

Manufacturer Part Number

LDK120C28R

Manufacturer

stmicroelectronics

Introduction

Low Drop Out linear voltage regulator for power management applications.

Product Features and Performance

Output Configuration: Positive

Output Type: Fixed

Single regulator output

Maximum Input Voltage: 5.5V

Fixed Output Voltage: 2.8V

Low dropout voltage: 0.3V at 200mA load

Output Current Capacity: 200mA

Low idle current: 60 µA

Maximum supply current: 100 µA

Good Power Supply Rejection Ratio: 55dB from 120Hz to 10kHz

Control enhanced with Enable feature

Safety through Over Current and Over Temperature Protection

High-temperature operation capability ranging from -40°C to 125°C

Product Advantages

Low dropout for efficient use in battery-powered devices

Stable fixed output voltage for consistent performance

Compact package for space-constrained applications

Key Technical Parameters

Number of Regulators: 1

Voltage Dropout (Max): 0.3V @ 200mA

Current - Output: 200mA

Current - Quiescent (Iq): 60 µA

Current - Supply (Max): 100 µA

PSRR: 55dB (120Hz ~ 10kHz)

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Robust operation within temperature range of -40°C to 125°C

Compatibility

Compatible with various microcontrollers and digital devices requiring 2.8V

Application Areas

Battery-powered equipment

Portable electronics

Consumer electronics

Product Lifecycle

Status: Active

Not indicated as nearing discontinuation

Several Key Reasons to Choose This Product

Efficiency in low-power applications due to low dropout

Stability ensured by fixed output

Energy-saving from low quiescent current

Suitable for noise-sensitive environments with high PSRR

Robust protection mechanisms enhance reliability

Operable in a wide range of temperatures

Suited for compact designs with small package size