LT1175IST-5 - Analog Devices Inc.

Manufacturer Part Number

LT1175IST-5

Manufacturer

Analog Devices

Introduction

The LT1175IST-5 is a low dropout (LDO) negative voltage regulator designed by Analog Devices, making it suitable for a variety of applications that require a stable and efficient power supply.

Product Features and Performance

Negative output configuration

Fixed output voltage: -5V

Low dropout voltage: 0.7V at 500mA load

Output current capacity: 500mA

Low quiescent current: 80µA

Power Supply Rejection Ratio (PSRR): 60db to 15dB from 1kHz to 100kHz

Current limit and enable control features

Product Advantages

Low dropout voltage enhances efficiency

Low quiescent current improves battery life in portable applications

High PSRR ensures stable operation over a range of frequencies

Built-in current limit for protection

Key Technical Parameters

Output Voltage (Min/Fixed): -5V

Voltage Dropout (Max): 0.7V @ 500mA

Current - Output: 500mA

Current - Quiescent (Iq): 80 µA

PSRR: 60db ~ 15dB (1kHz ~ 100kHz)

Operating Temperature Range: -40°C ~ 125°C

Quality and Safety Features

Current limit feature provides protection against overcurrent conditions

Compatibility

Packaging: SOT-223-3, compatible with surface mount technology

Application Areas

Portable electronics

Power supplies

Battery-powered devices

Negative voltage generation circuits

Product Lifecycle

Obsolete status; consider checking for replacements or upgrades if planning for new designs

Several Key Reasons to Choose This Product

Low dropout voltage for efficient power use

Support for negative output voltages expands application range

Low quiescent current aids in extending battery life

High PSRR values ensure stable operation across a variety of conditions

Built-in protection features add to device reliability and safety

Suitable for a wide range of applications, including complex power supply systems