LTC3892IUH-2#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC3892IUH-2#PBF

Manufacturer

Analog Devices

Introduction

The LTC3892IUH-2#PBF is a high performance Power Management Integrated Circuit (PMIC) designed for DC DC switching control, particularly tailored for step-down (buck) applications.

Product Features and Performance

Dual outputs for managing multiple power rails

Step-down (Buck) topology enhances power efficiency

Supports a wide input voltage range from 4.5V to 60V, suitable for various supply voltages

Flexible switching frequency from 105kHz to 835kHz, and a dedicated range of 350kHz to 535kHz, allowing optimization for efficiency or component size

High duty cycle up to 99% for low dropout operations

Incorporates synchronous rectification for improved efficiency

Features include current limit, enable, frequency control, power good, soft start, and tracking for comprehensive control and protection

Product Advantages

Broad input voltage range accommodates a variety of power sources

Dual outputs for simultaneous control of multiple voltages

High efficiency reduces thermal footprint and energy consumption

Flexible switching frequency allows customization for application-specific requirements

Enhanced robustness with built-in safety and control features

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Down

Output Configuration: Positive

Number of Outputs: 2

Output Phases: 2

Voltage Supply (Vcc/Vdd): 4.5V ~ 60V

Frequency Switching: 105kHz ~ 835kHz, 350kHz ~ 535kHz

Duty Cycle (Max): 99%

Synchronous Rectifier: Yes

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

Quality and Safety Features

Operates reliably within a wide temperature range of -40°C to 125°C

Features like current limit and soft start provide protection against overcurrent and excessive inrush current

Compatibility

Surface mount design in a 32-WFQFN Exposed Pad package for compatibility with modern PCB manufacturing processes

Application Areas

Ideal for power regulation in telecommunications, industrial control systems, and automotive power systems

Suitable for portable devices and battery-operated applications due to its efficiency and dual output capability

Product Lifecycle

Product status is active, indicating ongoing manufacturing and availability

Not currently subject to discontinuation, ensuring long-term supply continuity

Several Key Reasons to Choose This Product

Wide input voltage range offers flexibility across different power environments

Dual output capability enables efficient power management of more than one voltage rail simultaneously

High efficiency and synchronous rectification contribute to energy savings and reduced heat generation

Customizable switching frequency for precise control over performance and component size

Comprehensive control and safety features ensure reliable operation under various conditions