LTC3780IG#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LTC3780IG#TRPBF

Manufacturer

Analog Devices

Introduction

The LTC3780IG#TRPBF is a high-performance power management integrated circuit (PMIC) designed for DC-DC conversion with automatic step-up/step-down functionality.

Product Features and Performance

High-efficiency synchronous operation

Buck-Boost topology enables voltage regulation with input voltage above, below, or equal to the output voltage

Supports a wide input voltage range of 4V to 30V

Adaptive switching frequency from 200kHz to 400kHz

Maximum 99% duty cycle allows for near direct current with minimal loss

Current limit, enable, power good, soft start control features

Product Advantages

Automatic step-up/step-down mode simplifies design for multiple input voltages

High switching frequency reduces the size of external components

Synchronous rectifier improves efficiency

Thermal performance enhanced by operating temperature range of -40°C ~ 125°C

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Up/Step-Down

Output Configuration: Positive

Topology: Buck-Boost

Number of Outputs: 1

Output Phases: 1

Voltage - Supply (Vcc/Vdd): 4V - 30V

Frequency - Switching: 200kHz to 400kHz

Duty Cycle (Max): 99%

Synchronous Rectifier: Yes

Quality and Safety Features

Operates across commercial and industrial temperature ranges

Robust SSOP package protects the device against mechanical stress

Compatibility

Compatible with various input voltage sources

Flexible design suitable for a wide array of electronic applications

Application Areas

Automotive systems

Portable devices

Telecommunications equipment

Industrial controls

Medical equipment

Product Lifecycle

Active product with ongoing manufacturer support

Notified if nearing discontinuation with options for replacements or upgrades

Several Key Reasons to Choose This Product

Versatile use across different voltage applications due to step-up/step-down functionality

Highly efficient for power-sensitive designs

Supports compact PCB layout due to high-frequency switching

Integrated features like current limit and soft start for reliable operation

Industry-leading performance and quality from Analog Devices