LTC3872ETS8#TRPBF

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LTC3872ETS8#TRPBF

IC REG CTRLR BOOST TSOT23-8

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規格

Part Status Active
Output Type Transistor Driver
Function Step-Up
Output Configuration Positive
Topology Boost
Number of Outputs 1
Output Phases 1
Voltage - Supply (Vcc/Vdd) 2.75V ~ 9.8V
Frequency - Switching 550kHz
Synchronous Rectifier No
Clock Sync No
Control Features Current Limit, Enable, Soft Start
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case SOT-23-8 Thin, TSOT-23-8
Supplier Device Package TSOT-23-8
Base Product Number LTC3872

概述

Description

The LTC3872ETS8#TRPBF is a high-performance, synchronous step-down DC-DC controller designed by Analog Devices. It is primarily used in applications requiring efficient power conversion, such as in point-of-load (POL) supplies for FPGAs, ASICs, and microprocessors.
Key features include:
- Wide Input Voltage Range: Typically from 4.5V to 60V, making it suitable for various power sources.
- High Efficiency: Achieves high efficiency over a wide load range, which reduces heat generation and improves overall system reliability.
- Current Mode Control: Offers excellent transient response and stability through its current mode control architecture.
- Integrated Drivers: Provides integrated high-side and low-side drivers for N-channel MOSFETs, simplifying the design and reducing component count.
- Programmable Switching Frequency: Allows flexibility in optimizing performance and minimizing electromagnetic interference (EMI).
This IC is packaged in an 8-lead MSOP format, making it compact for space-constrained applications. Overall, the LTC3872 is ideal for high-efficiency, compact power supply designs.

Features

The LTC3872ETS8#TRPBF is a high-performance synchronous step-down DC/DC controller designed for efficient power management. Key features include:
1. Wide Input Voltage Range: Supports input voltages from 4.5V to 60V, allowing versatility in various applications.
2. High Output Current Capability: Can drive external MOSFETs to deliver high output currents, suitable for demanding loads.
3. Synchronous Operation: Enhances efficiency by minimizing switching losses, especially at light loads.
4. Adjustable Output Voltage: Output voltage can be set between 0.8V to 60V, providing flexibility for different applications.
5. Integrated Soft-Start: Reduces inrush current during startup, improving system reliability.
6. Overvoltage and Overcurrent Protection: Built-in protection features ensure safe operation under fault conditions.
7. PWM Control: Provides excellent load transient response and stability over a wide range of conditions.
8. Compact Package: Available in a compact 8-lead TSOT-23 package, ideal for space-constrained applications.
This controller is well-suited for automotive, industrial, and telecommunications applications where reliability and efficiency are critical.

Package

The LTC3872ETS8#TRPBF is packaged in an 8-lead MSOP (Mini Small Outline Package) with a thin profile. This package type is designed for compact applications, providing efficient thermal performance and reduced board space usage.

Pinout

The LTC3872ETS8#TRPBF is an integrated circuit designed for dual-phase, interleaved synchronous step-down (buck) DC/DC converter applications. It has a total of 8 pins.
Here are the pin functions:
1. VIN - Input voltage supply.
2. SW - Switch node for the power stage.
3. GND - Ground reference.
4. VSENSE - Voltage sense pin for feedback control.
5. COMP - Compensation node for stability.
6. ISET - Sets the current limit for the converter.
7. PHASE - Connects to the inductor of the second phase.
8. RUN - Enable/disable control for the device.
This IC features high efficiency, adjustable output voltage, and is suitable for high-performance applications.

Manufacturer

The LTC3872ETS8#TRPBF is manufactured by Analog Devices, Inc. (ADI), a prominent global company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, Analog Devices operates in various sectors, including communications, automotive, healthcare, and industrial automation. The LTC3872 is a synchronous step-down DC/DC controller designed for applications requiring efficient power management. Analog Devices is known for its innovative solutions and commitment to quality, serving a wide range of industries with products that enhance performance and reliability in electronic systems.

Application

The LTC3872ETS8#TRPBF is a dual-phase synchronous step-down DC/DC controller used in applications such as power management for processors, FPGAs, and ASICs. It is ideal for high-efficiency power supplies in telecom, industrial, and automotive systems. Additionally, it supports load sharing and step-down conversion for multi-rail applications, making it suitable for high-performance computing and embedded systems.

Equivalent

The LTC3872ETS8#TRPBF is a synchronous step-down controller. Equivalent products include the Texas Instruments TPS563201, ON Semiconductor NCP81239, and Analog Devices ADP2302. These alternatives offer similar voltage regulation, current handling capabilities, and functionality for step-down applications. Always verify specifications to ensure compatibility with your specific design requirements.

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