LT1129CQ-5#PBF - Analog Devices Inc.

Manufacturer Part Number

LT1129CQ-5#PBF

Manufacturer

Analog Devices

Introduction

The LT1129CQ-5#PBF is a linear, low dropout (LDO) voltage regulator designed for power management, specifically to provide stable output with low voltage drop.

Product Features and Performance

Fixed output voltage of 5V

Maximum input voltage of 30V

Maximum output current of 700mA

Low dropout voltage of 0.7V at 700mA load

Quiescent current of 70 µA

Supply current up to 90 mA

Power supply rejection ratio (PSRR) of 64dB at 120Hz

Enable control feature for on/off control

Suitable for surface mount with TO-263-6 package

Operates over a temperature range of 0°C to 125°C

Product Advantages

High efficiency with lower dropout voltage

Minimal power loss during regulation

Long operating life at high temperatures

Compact surface mount package ideal for space-constrained applications

Key Technical Parameters

Voltage Input (Max): 30V

Voltage Output (Min/Fixed): 5V

Current Output: 700mA

Voltage Dropout (Max): 0.7V

Quiescent Current (Iq): 70 µA

Supply Current (Max): 90 mA

PSRR: 64dB (120Hz)

Quality and Safety Features

Over-temperature protection

Reverse polarity protection

Compatibility

Compatible with various applications requiring a stable 5V supply

Surface mount package compatibles with standard PCB technology

Application Areas

Consumer Electronics

Industrial Controls

Automation Systems

Embedded System Power Supplies

Telecommunication Equipment

Product Lifecycle

Product status: Active

Not nearing discontinuation

Future replacements or upgrades available for evolving power requirements

Several Key Reasons to Choose This Product

Reliable performance with fixed output and low dropout voltage

High efficiency ideal for prolonging battery life

Robust safety features ensure long-term reliability

Wide operating temperature suitable for various environments

Compact package suitable for modern compact system designs