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LT3750EMS#TR
+BOMIC FLYBACK FORW CONVERTER 10MSOP
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Nhà sản xuấtCông ty Analog Devices Inc.
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Ông. Phần #LT3750EMS#TR
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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
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
Features
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 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
Application
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.