LT3507IUHF - Analog Devices Inc.

Manufacturer Part Number

LT3507IUHF

Manufacturer

analog-devices

Introduction

The LT3507IUHF is a multifunctional Power Management Integrated Circuit (PMIC) combining linear and switching voltage regulators.

Product Features and Performance

Integrated step-down (buck) converters and a linear regulator

Four independent outputs

Switching frequency range between 900kHz and 1.1MHz

Output voltage range from 0.8V to 32.4V

Output current for Output 1: 2.4A

Output current for Output 2 and 3: 1.5A each

Sequencer integrated for output voltage sequencing

Operating temperature range from -40°C to 125°C

Surface mount device with a 38-WFQFN exposed pad for efficient heat dissipation

Product Advantages

Multi-output capability within a single chip

High-efficiency buck converters for reduced power loss

Wide input voltage range accommodating various power supplies

Thermal performance optimized through QFN packaging

Built-in sequencing for ease of system power management

Key Technical Parameters

Topology: Step-Down (Buck) (3), Linear (LDO) (1)

Number of Outputs: 4

Frequency - Switching: 900kHz ~ 1.1MHz

Voltage/Current - Output 1: 0.8V ~ 32.4V, 2.4A

Voltage/Current - Output 2: 0.8V ~ 32.4V, 1.5A

Voltage/Current - Output 3: 0.8V ~ 32.4V, 1.5A

Voltage - Supply: 4V ~ 36V

Operating Temperature: -40°C ~ 125°C (TJ)

Mounting Type: Surface Mount

Package / Case: 38-WFQFN Exposed Pad

Supplier Device Package: 38-QFN (5x7)

Quality and Safety Features

Extended operating temperature range

Robust packaging for thermal management

Compatibility

Suitable for systems with a power supply ranging from 4V to 36V

Application Areas

Complex power management applications in automotive, industrial, and telecommunication sectors

Product Lifecycle

Obsolete - the product may not be manufactured anymore

Replacements or upgrades may be available

Several Key Reasons to Choose This Product

Versatile output specifications catering to a range of devices

Compact and integrated power solution reduces board space requirements

High switching frequency allows for small external components

Sequence programmability simplifies complex system power-up sequences

Capable of withstanding harsh industrial environments due to a wide operating temperature range