LTC3446IDE#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC3446IDE#PBF

Manufacturer

Analog Devices

Introduction

LTC3446IDE#PBF is a versatile Power Management IC combining linear and switching regulators.

Product Features and Performance

Step-Down (Buck) Synchronous topology

Integrated Linear (LDO) regulators

Triple outputs for diverse power needs

High switching frequency of 2.25MHz for reduced noise and faster response

Capable of adjusting output 1 voltage to as low as 0.8V up to 1A load

Adjustable output 2 and 3 voltages to as low as 0.4V with up to 300mA load

Operates over a wide supply voltage range of 0.9V to 5.5V

Designed for surface mount technology

Product Advantages

High integration for space-saving solutions

Efficient power conversion reducing heat generation

Supports a broad range of input voltages suitable for battery-powered applications

High switching frequency enables smaller external components

Flexible output configurations to meet various power supply designs

Key Technical Parameters

Topology: Step-Down (Buck) Synchronous (1), Linear (LDO) (2)

Number of Outputs: 3

Switching Frequency: 2.25MHz

Voltage/Current - Output 1: Adjustable to 0.8V, 1A

Voltage/Current - Output 2: Adjustable to 0.4V, 300mA

Voltage/Current - Output 3: Adjustable to 0.4V, 300mA

Supply Voltage Range: 0.9V to 5.5V

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

Quality and Safety Features

Built within stringent specifications for reliable operation

Operates effectively within a wide temperature range

Compatibility

Compatible with various input sources within the specified voltage range

Mounting Type: Surface Mount

Package / Case: 14-WFDFN Exposed Pad

Supplier Device Package: 14-DFN (4x3)

Application Areas

Optimized for power supplies in portable consumer electronics

Suitable for embedded systems requiring multiple regulated voltages

Product Lifecycle

Product Status: Active

Indicates current availability without near-term discontinuation

Several Key Reasons to Choose This Product

High switching frequency for a compact and efficient design

Configurable outputs offering flexibility in application

Wide operating temperature suitable for industrial applications

Reliable and safe power management from a reputable manufacturer

Active lifecycle status ensuring ongoing support and supply