LTC3835IFE#PBF

Product Overview

The LTC3835IFE#PBF belongs to the category of high-performance synchronous step-down DC/DC controllers. It is commonly used in power management applications and is known for its high efficiency, compact package, and versatile features. The LTC3835IFE#PBF comes in a 28-lead plastic TSSOP package and is available in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 38V
• Output Voltage Range: 0.6V to VIN
• Maximum Duty Cycle: 100%
• Switching Frequency Range: 200kHz to 3MHz
• Operating Temperature Range: -40°C to 125°C
• Quiescent Current: 85µA

Detailed Pin Configuration

The LTC3835IFE#PBF features a 28-lead TSSOP package with pin configurations including VIN, GND, FB, COMP, SS/TR/UVLO, RT/CLK, SYNC/MODE, VCC, BOOT, PH, LGATE, PGND, and more. Each pin serves a specific function in the overall operation of the device.

Functional Features

• High Efficiency Synchronous Rectification
• Wide Input Voltage Range
• Adjustable Frequency and Phase Shift
• Power Good Output Voltage Monitor
• Precision Enable Input
• Soft-Start and Tracking
• Overvoltage Protection
• Short-Circuit Protection

Advantages and Disadvantages

Advantages

• High Efficiency
• Wide Input Voltage Range
• Comprehensive Protection Features
• Compact Package Size

Disadvantages

• Higher Quiescent Current Compared to Some Competing Models
• Limited Operating Temperature Range

Working Principles

The LTC3835IFE#PBF operates on the principle of synchronous step-down DC/DC conversion, utilizing high-efficiency MOSFETs to minimize power loss during the switching process. It regulates the output voltage based on the feedback from the load, providing a stable and efficient power supply for various applications.

Detailed Application Field Plans

The LTC3835IFE#PBF is well-suited for a wide range of applications including industrial power supplies, automotive systems, telecommunications equipment, and distributed power architectures. Its high efficiency and flexible features make it an ideal choice for designs requiring reliable and compact power management solutions.

Detailed and Complete Alternative Models

Some alternative models to the LTC3835IFE#PBF include the LT8610, LT8611, and LT8612. These devices offer similar functionality and performance characteristics, providing designers with options to suit their specific application requirements.

In conclusion, the LTC3835IFE#PBF is a high-performance synchronous step-down DC/DC controller that offers a wide input voltage range, high efficiency, and comprehensive protection features. While it has certain limitations such as quiescent current and operating temperature range, its versatile functionality and compact package make it a valuable choice for various power management applications.

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