LT3750EMS#TR

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LT3750EMS#TR

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IC FLYBACK FORW CONVERTER 10MSOP

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Thông số kỹ thuật

thuộc tính Giá trị
Package Tape & Reel (TR)
ProductStatus Obsolete
Type Flyback, Forward Converter
MountingType Surface Mount
Package/Case 10-TFSOP, 10-MSOP (0.118, 3.00mm Width)

Tổng quan

Description

The LT3750EMS#TR is a high voltage capacitor charger controller manufactured by Analog Devices. It is designed to efficiently charge large capacitors to a desired voltage by driving an external N-channel MOSFET switch. The device operates from an input voltage range of 3V to 24V and can handle output voltages up to 500V, making it suitable for applications such as photoflash, strobe lighting, and other systems requiring rapid capacitor charging.
Key features of the LT3750EMS#TR include current-mode control for fast transient response, adjustable output voltage, and a shutdown mode to minimize power consumption. The device incorporates protection features like programmable soft-start, adjustable current limit, and thermal shutdown to enhance reliability and performance. Its compact MSOP-10 package facilitates use in space-constrained applications, while the built-in gate driver optimizes the performance of the external MOSFET.
Overall, the LT3750EMS#TR offers a robust solution for applications needing efficient, high-voltage capacitor charging.

Equivalent

The LT3750EMS#TR is a high voltage capacitor charger controller by Analog Devices, formerly Linear Technology. Equivalent products might include similar high voltage capacitor charging controllers from other manufacturers such as the Texas Instruments UCC2808, the Microchip Technology MCP1407, or the ON Semiconductor NCP500, though exact equivalents may vary based on specific application requirements. Always compare datasheets to ensure compatibility.

Features

The LT3750EMS#TR is a high voltage capacitor charger controller designed by Analog Devices. It is specifically used for applications requiring rapid charge and discharge cycles. Key features include:
1. Wide Input Voltage Range: Operates from 3V to 24V, allowing flexibility in power sources.
2. High Output Voltage: Capable of producing output voltages up to 500V, ideal for applications like photoflash capacitors in cameras.
3. Adjustable Charge Current: Users can set the charge current, optimizing the trade-off between charge time and power consumption.
4. Switching Frequency: Operates at a fixed 50kHz frequency, minimizing electromagnetic interference while facilitating smaller component sizes.
5. Integrated Power Switch: Includes a 2Ω N-channel MOSFET, simplifying design and reducing component count.
6. Low Quiescent Current: Features low standby current, enhancing efficiency in battery-operated devices.
7. Protection Features: Offers over-voltage and short-circuit protection to ensure safe operation.
8. Small Footprint: Available in a compact MSOP package, making it suitable for space-constrained applications.
These features make the LT3750EMS#TR highly efficient for capacitive charging applications, with robust performance in compact designs.

Pinout

The LT3750EMS#TR is a high voltage capacitor charger controller from Analog Devices. It is designed for charging large capacitors to a preset voltage with an input voltage range from 3V to 24V. This device is often used in flash photography, scientific instruments, and other applications requiring rapid capacitor charging.
The LT3750EMS comes in a 10-lead MSOP package. The key functions of its pins are:
1. VIN: Input voltage supply.
2. GND: Ground connection.
3. SHDN: Shutdown control input.
4. VCC: Internal power supply, typically connected to a capacitor.
5. GATE: Drives the external MOSFET gate.
6. CSN: Negative input to the current sense comparator.
7. CSP: Positive input to the current sense comparator.
8. FB: Feedback input for voltage regulation.
9. RREF: Sets the reference current for the charge cycle.
10. DRAIN: Monitors the drain of the external MOSFET for zero current detect.
These pins work together to control and monitor the charging process, ensuring efficient and safe operation.

Manufacturer

The LT3750EMS#TR is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Their products are used in a wide range of electronic equipment and applications, including industrial automation, automotive, communications, consumer electronics, and healthcare. The company is known for its high-performance signal processing technologies and solutions.

Application

The LT3750EMS#TR is primarily used in applications requiring high-voltage generation and energy transfer. Key areas include:
1. Photoflash Capacitor Chargers: Commonly used in cameras for rapidly charging capacitors to drive flash units.
2. High-Voltage Bias Supplies: Suitable for applications needing precise high-voltage outputs, such as biasing photomultiplier tubes or avalanche photodiodes.
3. Piezoelectric Drivers: Used in driving piezoelectric transducers or actuators.
4. Electrostatic Discharge (ESD) Testing: Helps in generating high voltages for ESD testing setups.
5. Industrial Applications: Utilized in various industrial systems requiring compact high-voltage solutions.
Its compact size and efficient boost converter design make it versatile for these high-voltage applications.

Package

The LT3750EMS#TR is a micro power step-up DC/DC converter with an integrated N-channel MOSFET switch in a MSOP-10 package type. The "TR" indicates it is supplied in tape and reel for automated assembly.

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