LT3757EMSE#TRPBF

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LT3757EMSE#TRPBF

+Nomenclature

IC REG CTRLR MULT TOP 10MSOP

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Spécifications

Attribut Valeur
Part Status Active
Output Type Transistor Driver
Function Step-Up, Step-Up/Step-Down
Output Configuration Positive and Negative
Topology Boost, Flyback, SEPIC
Number of Outputs 1
Output Phases 1
Voltage - Supply (Vcc/Vdd) 2.9V ~ 40V
Frequency - Switching 100kHz ~ 1MHz
Synchronous Rectifier No
Clock Sync Yes
Control Features Enable, Frequency Control, Soft Start
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
Supplier Device Package 10-MSOP-EP
Base Product Number LT3757

Présentation

Description

The LT3757EMSE#TRPBF is a high-efficiency, isolated flyback converter designed by Analog Devices for applications requiring power conversion and regulation. It operates in a wide input voltage range, making it suitable for various power sources. This device is particularly notable for its ability to drive high-voltage outputs while maintaining low quiescent current, improving efficiency in battery-operated devices or systems.
Key features include integrated MOSFETs, adjustable output voltage, and various protection mechanisms like overvoltage, overcurrent, and thermal shutdown. The LT3757 also supports a wide range of output power requirements, making it versatile for different applications, including industrial, automotive, and consumer electronics.
The package type (MSOP-16) allows for compact designs, which is beneficial in space-constrained applications. Overall, the LT3757EMSE#TRPBF is a reliable choice for engineers looking to implement efficient isolated power solutions.

Equivalent

The LT3757EMSE#TRPBF is a high-efficiency boost converter. Equivalent products include the TPS61030 from Texas Instruments, the LM2621 from Texas Instruments, and the MP1584 from Monolithic Power Systems. Additionally, consider the MAX8565 from Maxim Integrated and the LTC6102 from Analog Devices. Always verify specifications and application requirements before substituting components.

Features

The LT3757EMSE#TRPBF is a high-performance current-mode boost converter designed for LED driving and other applications requiring efficient power conversion. Key features include:
1. Wide Input Voltage Range: Operates from 2.5V to 30V, accommodating various power sources.
2. Adjustable Output Voltage: Output voltage can be set from 2.5V to 60V, allowing flexibility for different applications.
3. High Efficiency: Achieves up to 95% efficiency, minimizing heat generation and power loss.
4. LED Driver Capability: Specifically designed to drive LEDs with accurate current regulation.
5. Built-in Switching Regulator: Integrates a high-side power switch, reducing external component count.
6. Frequency Adjustability: Operating frequency can be set via an external resistor, offering design flexibility.
7. Overvoltage Protection: Features built-in protection mechanisms to ensure safe operation.
8. Thermal Shutdown: Automatically disables the device in case of overheating.
This IC is ideal for applications in portable devices, automotive lighting, and industrial controls.

Pinout

The LT3757EMSE#TRPBF is a high-voltage, high-frequency boost converter from Analog Devices' LT3757 family. It comes in a 16-lead MSOP package with a pin count of 16.
The key functions of the pins are as follows:
1. VIN: Input voltage supply.
2. SW: Switch node for the inductor.
3. GND: Ground.
4. COMP: Compensation network connection for stability.
5. FB: Feedback voltage input to regulate output.
6. VC: Voltage control input for loop compensation.
7. EN: Enable pin to turn the device on/off.
8. FREQ: Frequency setting pin or clock input.
9. ISEN: Current sense input for overcurrent protection.
10. Rset: Resistor for setting current limit.
11. CT: Capacitor timing for soft-start.
12. SS: Soft-start pin.
13. PGND: Power ground for high current paths.
14. SENSE: Additional current sensing pin.
15. BO: Boost output for application needs.
16. N/C: No connect (not internally connected).
The device is used primarily in applications requiring efficient power conversion, such as LED drivers and battery-powered systems.

Manufacturer

The LT3757EMSE#TRPBF is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a multinational semiconductor company that specializes in designing and manufacturing a wide range of high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). Founded in 1965, the company is well-known for its innovations in areas such as data conversion, signal processing, and power management solutions.
ADI serves various industries, including automotive, communications, industrial, healthcare, and consumer electronics, providing essential components for applications like sensor interfacing, signal conditioning, and power regulation. The LT3757EMSE#TRPBF specifically is a high-efficiency, synchronous boost converter designed for applications requiring voltage step-up capabilities, such as LED drivers and battery-powered devices. The company is recognized for its commitment to quality and performance, establishing itself as a leader in the semiconductor industry.

Application

The LT3757EMSE#TRPBF is a high-performance, high-voltage DC-DC converter primarily used in applications such as LED drivers, battery chargers, and power supplies for industrial and automotive systems. It features a wide input voltage range, making it suitable for powering devices from various sources, including solar panels and automotive batteries. Additionally, it is ideal for creating isolated power supplies and can be employed in telecommunications and medical equipment for efficient voltage regulation. Its robust design allows for high efficiency and reliability in demanding environments.

Package

The LT3757EMSE#TRPBF is packaged in a 16-lead MSOP (Thin Shrink Plastic) package.

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