ADP1853ACPZ-R7 - Analog Devices Inc.

Manufacturer Part Number

ADP1853ACPZ-R7

Manufacturer

Analog Devices

Introduction

The ADP1853ACPZ-R7 is a DC-DC Switching Controller designed for power management applications, utilizing current mode architecture for precise control.

Product Features and Performance

Step-Down (Buck) topology for efficient voltage conversion

Transistor Driver output type for direct control of external MOSFETs

Synchronous Rectifier for improved efficiency

Frequency Control, allowing adjustable switching frequency from 200kHz to 1.5MHz

Soft Start feature to minimize inrush current during startup

Power Good signal for system stability and power sequencing

Ramp and Tracking capabilities for enhanced voltage regulation

Current Limit for overcurrent protection

Clock Sync feature for noise sensitive applications

Operates within a wide input voltage range of 2.75V to 20V

Supports a maximum duty cycle of 90% for wide output voltage range

Product Advantages

High flexibility in switching frequency allows optimization for efficiency or size

Synchronous rectification results in higher efficiency and lower heat dissipation

Built-in protection features enhance system reliability and safety

Compact 20-LFCSP (4x4) package saves board space

Suitable for a wide range of input voltages, enhancing compatibility

Key Technical Parameters

Voltage Supply (Vcc/Vdd): 2.75V ~ 20V

Frequency Switching: 200kHz ~ 1.5MHz

Duty Cycle (Max): 90%

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

Mounting Type: Surface Mount

Package / Case: 20-WFQFN Exposed Pad, CSP

Quality and Safety Features

Overcurrent Protection through Current Limit feature

Thermal shutdown for high-temperature protection

Robust design offering reliability across -40°C to 125°C operational temperature range

Compatibility

Broad voltage compatibility supports a wide range of power applications

Simple integration with various types of external MOSFETs

Application Areas

Distributed Power Systems

Communications Infrastructure

Industrial and Medical Equipment

Automotive Electronics

High-Performance Computing and Servers

Product Lifecycle

Status: Active

This product is currently in active production with no near-term discontinuation planned. Replacements or upgrades may become available but are not necessary at this time.

Several Key Reasons to Choose This Product

High efficiency and flexibility in design due to synchronous rectification and variable switching frequency

Enhanced system safety with built-in protection features

Compact and versatile for a wide range of applications in power management

Proven performance and reliability backed by Analog Devices' reputation

Active lifecycle status ensures long-term availability for designs