LT1121IZ-3.3#PBF - Analog Devices Inc.

Manufacturer Part Number

LT1121IZ-3.3#PBF

Manufacturer

Analog Devices

Introduction

The LT1121IZ-3.3#PBF is a low drop-out (LDO) linear voltage regulator designed to deliver stable and reliable power supply performance in various applications, with a focus on high efficiency and low power consumption.

Product Features and Performance

Low dropout voltage of 0.7V @ 150mA load

Fixed output voltage of 3.3V

Capable of supplying 150mA of output current

Ultra-low quiescent current of 50µA, reducing standby power consumption

Power supply rejection ratio (PSRR) of 58dB at 120Hz helps in maintaining stable output voltage despite variations in input voltage

Integrated enable control feature for power management flexibility

Over-temperature and reverse polarity protection enhance safety and reliability

Operating temperature range from -40°C to 125°C ensures robust performance in extreme conditions

Product Advantages

High-efficiency performance at low power consumption

Versatility due to compatibility with input voltages up to 30V

Minimal footprint with Through Hole mounting feature, ideal for compact circuits

Enhanced operational safety with built-in protection features

Longer battery life in portable applications due to low quiescent current

Key Technical Parameters

Voltage Input (Max): 30V

Voltage Output (Min/Fixed): 3.3V

Voltage Dropout (Max): 0.7V @ 150mA

Current Output: 150mA

Current Quiescent (Iq): 50µA

PSRR: 58dB (120Hz)

Quality and Safety Features

Over Temperature Protection

Reverse Polarity Protection

Compatibility

Suitable for use in a wide range of electronic devices and systems requiring 3.3V fixed output

Application Areas

Digital logic circuits

Battery-powered devices

Low power microprocessors and microcontrollers

Portable and handheld electronic devices

Solar-powered applications

Product Lifecycle

Active status indicates current production with continued manufacturer support

No indication of impending discontinuation, ensuring long-term availability and support

Several Key Reasons to Choose This Product

Analog Devices' reputation for quality and reliability in power management technology

High-efficiency, low dropout performance reduces heat dissipation and increases system efficiency

Low quiescent current extends battery life in portable applications

Built-in safety features safeguard the device and the application it powers

Wide operating temperature range enables use in challenging environmental conditions

Comprehensive application support from Analog Devices, including design and technical resources