LTC1735CF - Analog Devices Inc.

Manufacturer Part Number

LTC1735CF

Manufacturer

Analog Devices

Introduction

The LTC1735CF is a versatile Power Management Integrated Circuit (PMIC) designed for DC-DC switching control applications.

Product Features and Performance

Output Type is Transistor Driver

Step-Down Functionality for voltage reduction

Supports Positive Output Configuration

Utilizes Buck Topology for conversion

Single Output with One Output Phase

Can operate over a wide Voltage Supply range from 4V to 30V

Switching Frequency set at 300kHz

High Duty Cycle with a maximum of 99.4%

Includes Synchronous Rectifier for improved efficiency

Features such as Enable, Power Good, and Soft Start for enhanced control

Product Advantages

Highly efficient power conversion

Broad input voltage range suitable for various applications

High operating frequency allows for smaller external components

Incorporation of a synchronous rectifier aiding in reducing overall losses

Advanced control features for safer and flexible operation

Key Technical Parameters

Number of Outputs: 1

Output Phases: 1

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

Frequency - Switching: 300kHz

Duty Cycle (Max): 99.4%

Synchronous Rectifier: Yes

Quality and Safety Features

Wide operating temperature range from 0°C to 85°C

Provides a Power Good signal for system monitoring

Compatibility

Mounting Type is Surface Mount

Package / Case: 20-TSSOP (0.173", 4.40mm width)

Compatible with various switch-mode power supply designs

Application Areas

Used in complex power supply systems

Suitable for telecommunications, consumer electronics, and computer systems

Product Lifecycle

Product Status: Obsolete

Not recommended for new designs

Replacements or upgrades may be available

Several Key Reasons to Choose This Product

Offers high efficiency and power density

Versatile voltage range compatible with numerous applications

Advanced feature set enhances system reliability and performance

Obsolete status which makes it ideal for maintaining or repairing existing systems where design change is not feasible

High-frequency operation reduces the size of passive components for compact designs

Integrated features like Enable and Soft Start for an easier power management design

High-duty cycle capability for a wide range of load conditions