A4411KLVTR-T - Allegro MicroSystems

Manufacturer Part Number

A4411KLVTR-T

Manufacturer

allegro-microsystems

Introduction

The A4411KLVTR-T is a versatile power management IC designed for automotive applications, integrating multiple linear and switching voltage regulators.

Product Features and Performance

Integrates step-down (buck) synchronous, step-down/step-up (buck/boost), and linear (LDO) regulators

Features four output channels

Switching frequency ranges from 250kHz to 2.4MHz

Output 1 voltage/current: 0.8V to 3.3V at 800mA

Output 2 voltage/current: 5V at 150mA

Output 3 voltage/current: 5V at 120mA

Includes a voltage sequencer

Supports a voltage supply range from 3.5V to 36V

Operates in temperatures from -40°C to 135°C

Product Advantages

High integration reduces system complexity and the number of components required

Wide range of input voltage accommodates various automotive power systems

High-temperature range ensures reliability under extreme conditions

Key Technical Parameters

Number of outputs: 4

Frequency Switching: 250kHz ~ 2.4MHz

Voltage/Current Output 1: 0.8V ~ 3.3V, 800mA

Voltage/Current Output 2: 5V, 150mA

Voltage/Current Output 3: 5V, 120mA

Voltage Supply: 3.5V ~ 36V

Operating Temperature: -40°C ~ 135°C

Quality and Safety Features

Automotive Grade

AEC-Q100 qualification

Compatibility

Surface Mount: 38-TFSOP with exposed pad

Application Areas

Automotive electronic systems

Power management systems requiring multiple output voltages

Product Lifecycle

Status: Active

Not nearing discontinuation; replacements or upgrades likely available if needed

Several Key Reasons to Choose This Product

Designed to meet stringent automotive quality standards (AEC-Q100)

Flexible power solution accommodating a wide range of input voltages and temperature conditions

Multi-output capability with built-in sequencing provides a compact power management solution

High switching frequency allows for smaller passive components resulting in reduced overall footprint