LT3572EUF#TRPBF

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LT3572EUF#TRPBF

IC HALF BRIDGE DRVR 900MA 20QFN

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規格

Part Status Active
Base Product Number LT3572
Output Configuration Half Bridge (4)
Applications Piezo Devices
Interface PWM
Load Type Inductive, Capacitive
Technology Bipolar
Current - Output / Channel 900mA
Voltage - Supply 2.7V ~ 10V
Voltage - Load 5V ~ 40V
Operating Temperature -40°C ~ 125°C (TJ)
Features Slew Rate Controlled
Mounting Type Surface Mount
Package / Case 20-WFQFN Exposed Pad
Supplier Device Package 20-QFN (4x4)

概述

Description

The LT3572EUF#TRPBF is a high-performance, synchronous step-down (buck) switching regulator designed by Analog Devices. It features a wide input voltage range, typically from 4.5V to 60V, making it suitable for various applications including automotive and industrial systems. The device provides a high output current capability, often up to 2A, with excellent efficiency and thermal performance.
Key features include an adjustable output voltage, integrated power switches, and a compact package that allows for space-constrained designs. It also incorporates protection features like over-temperature shutdown and short-circuit protection, enhancing reliability.
The LT3572 employs a current mode control architecture, which helps achieve fast transient response and easy loop compensation. Its ability to operate in both continuous and discontinuous modes further adds to its versatility. Overall, the LT3572EUF#TRPBF is an ideal choice for designers needing a robust and efficient power supply solution for their applications.

Features

The LT3572EUF#TRPBF is a high-efficiency LED driver designed for various lighting applications. Key features include:
1. Step-Down (Buck) Architecture: It efficiently converts higher input voltages to lower output voltages suitable for driving LEDs.
2. Wide Input Voltage Range: Accepts input voltages from 4.5V to 40V, allowing flexibility in power supply options.
3. Constant Current Control: Provides precise LED current regulation to ensure consistent brightness and protect LEDs from overcurrent conditions.
4. Adjustable Output Current: The output current can be easily set using external resistors, making it adaptable to different LED configurations.
5. Integrated Switch: The device includes an internal power switch, reducing the component count and simplifying the design.
6. Thermal Protection: Features thermal shutdown to prevent overheating, enhancing reliability.
7. High Efficiency: Achieves efficiencies up to 95%, minimizing power loss and heat generation.
8. Small Package: Housed in a compact 6-lead DFN package, facilitating space-saving designs.
Overall, the LT3572EUF#TRPBF is ideal for driving LED strings in various applications, including architectural and automotive lighting.

Package

The LT3572EUF#TRPBF is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package). This package type features a small footprint and is designed for high-density applications, allowing for efficient thermal and electrical performance.

Pinout

The LT3572EUF#TRPBF is a high-performance step-up (boost) DC-DC converter from Analog Devices, featuring a 16-pin, 3 mm × 3 mm QFN (Quad Flat No-lead) package.
### Pin Count:
- Total Pins: 16
### Key Functions:
1. VIN: Input voltage supply.
2. SW: Switch node for inductor connection.
3. GND: Ground reference.
4. VOUT: Output voltage.
5. FB: Feedback for voltage regulation.
6. COMP: Compensation network connection for stability.
7. SS: Soft-start pin for controlling startup time.
8. Rset: Resistor for setting the output voltage.
9. ISEN: Current sense input for overcurrent protection.
10. SLOPE: Slope compensation control.
The LT3572 is designed for applications requiring a compact and efficient solution, providing high output voltage with low ripple, suitable for powering devices in portable applications.

Manufacturer

The LT3572EUF#TRPBF is manufactured by Analog Devices, Inc. (ADI), a prominent American multinational company that specializes in designing and producing a wide range of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, Analog Devices is recognized for its innovative solutions in various applications, including communications, automotive, industrial, healthcare, and consumer electronics. The company focuses on providing high-performance, high-precision technologies to meet the demands of modern electronic systems.

Application

The LT3572EUF#TRPBF is a high-efficiency step-up (boost) DC-DC converter used in various applications, including battery-powered devices, portable electronics, LED drivers, and power management systems. Its compact design and ability to deliver high output voltage from a lower input voltage make it suitable for applications in consumer electronics, handheld devices, and energy harvesting systems.

Equivalent

The LT3572EUF#TRPBF is a high-efficiency, step-up DC/DC converter. Equivalent products include:
1. TPS61032 (Texas Instruments)
2. MT3608 (Monolithic Power Systems)
3. XL6009 (XLSEMI)
4. LM2577 (Texas Instruments)
5. LT1302 (Linear Technology)
Always verify specifications and performance characteristics to ensure compatibility for your application.

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