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LT3757AEDD#PBF
+BOMIC REG CTRLR MULT TOPOLOGY 10DFN
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Nhà sản xuấtCông ty Analog Devices Inc.
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Ông. Phần #LT3757AEDD#PBF
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Bảng dữ liệu LT3757AEDD#PBF DataSheet
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| 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-WFDFN Exposed Pad |
| Supplier Device Package | 10-DFN (3x3) |
| Base Product Number | LT3757 |
Tổng quan
Description
The LT3757AEDD#PBF is a high-performance boost converter designed by Analog Devices, primarily used for LED driving applications. It features a wide input voltage range of 4.5V to 60V, making it suitable for various power sources. The device can deliver up to 1.5A of output current, allowing for efficient driving of high-power LEDs.
Key features include an adjustable output voltage, programmable switching frequency, and excellent thermal performance. The LT3757AEDD#PBF also incorporates built-in protection mechanisms such as overvoltage and overcurrent protection, enhancing reliability in demanding applications.
The converter uses a constant current control scheme, ensuring stable LED operation and consistent brightness. Its compact package allows for space-efficient designs in industrial, automotive, and consumer electronics applications.
Overall, the LT3757AEDD#PBF is a versatile and efficient solution for designers looking to integrate LED drivers into their systems.
Key features include an adjustable output voltage, programmable switching frequency, and excellent thermal performance. The LT3757AEDD#PBF also incorporates built-in protection mechanisms such as overvoltage and overcurrent protection, enhancing reliability in demanding applications.
The converter uses a constant current control scheme, ensuring stable LED operation and consistent brightness. Its compact package allows for space-efficient designs in industrial, automotive, and consumer electronics applications.
Overall, the LT3757AEDD#PBF is a versatile and efficient solution for designers looking to integrate LED drivers into their systems.
Equivalent
The LT3757AEDD#PBF is a high voltage step-up converter. Equivalent products include the LM2577 from Texas Instruments, MAX757 from Maxim Integrated, and MIC3715 from Microchip. These alternatives offer similar functionalities for boosting DC voltage, but specifications may differ. Always check specific parameters like input voltage range, output current, and efficiency for compatibility in your application.
Features
The LT3757AEDD#PBF is a high-performance boost controller designed for driving high voltage LED applications. Key features include:
1. Wide Input Voltage Range: Operates from 4.5V to 60V, making it suitable for various power sources.
2. High Efficiency: Capable of achieving efficiencies over 90% to minimize heat generation.
3. Programmable Output Current: Provides adjustable output current for precise LED driving.
4. Integrated Switch: Contains a high-side power switch that simplifies circuit design and reduces external component count.
5. Adjustable Switching Frequency: Offers a range of 200kHz to 1MHz, allowing optimization for size and efficiency.
6. Short-Circuit Protection: Features built-in protection mechanisms to enhance reliability.
7. Thermal Protection: Includes thermal shutdown to prevent overheating.
8. Compact Package: Available in a low-profile 16-lead thermally enhanced TSSOP package, facilitating space-saving designs.
These attributes make the LT3757AEDD#PBF ideal for LED drivers in automotive, industrial, and general lighting applications.
1. Wide Input Voltage Range: Operates from 4.5V to 60V, making it suitable for various power sources.
2. High Efficiency: Capable of achieving efficiencies over 90% to minimize heat generation.
3. Programmable Output Current: Provides adjustable output current for precise LED driving.
4. Integrated Switch: Contains a high-side power switch that simplifies circuit design and reduces external component count.
5. Adjustable Switching Frequency: Offers a range of 200kHz to 1MHz, allowing optimization for size and efficiency.
6. Short-Circuit Protection: Features built-in protection mechanisms to enhance reliability.
7. Thermal Protection: Includes thermal shutdown to prevent overheating.
8. Compact Package: Available in a low-profile 16-lead thermally enhanced TSSOP package, facilitating space-saving designs.
These attributes make the LT3757AEDD#PBF ideal for LED drivers in automotive, industrial, and general lighting applications.
Pinout
The LT3757AEDD#PBF is a high-speed, high-efficiency DC/DC converter designed for LED driving applications. It comes in a 16-lead TSSOP package with a pin count of 16.
The primary functions of its pins include:
1. SW: Switch node for the power stage.
2. VIN: Input supply voltage.
3. GND: Ground connection.
4. VOUT: Output voltage sense.
5. COMP: Compensation network connection.
6. CSN/ CSP: Current sense pins for LED driving.
7. SLOPE: Slope compensation pin.
8. ISET: Current setting for the converter.
9. PWM: Pulse-width modulation input for dimming control.
10. RSET: Setting resistor for feedback regulation.
11. FAULT: Fault indication output.
12. EN: Enable input to turn the chip on and off.
These pins facilitate the converter's operation, including voltage regulation, current control, and system protection features.
The primary functions of its pins include:
1. SW: Switch node for the power stage.
2. VIN: Input supply voltage.
3. GND: Ground connection.
4. VOUT: Output voltage sense.
5. COMP: Compensation network connection.
6. CSN/ CSP: Current sense pins for LED driving.
7. SLOPE: Slope compensation pin.
8. ISET: Current setting for the converter.
9. PWM: Pulse-width modulation input for dimming control.
10. RSET: Setting resistor for feedback regulation.
11. FAULT: Fault indication output.
12. EN: Enable input to turn the chip on and off.
These pins facilitate the converter's operation, including voltage regulation, current control, and system protection features.
Manufacturer
The LT3757AEDD#PBF is manufactured by Analog Devices, Inc. (ADI), a leading global company that specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). Founded in 1965, Analog Devices designs and manufactures a wide range of products used in various applications, including communications, consumer electronics, automotive, industrial automation, and healthcare.
ADI is known for its innovative solutions in signal processing, power management, and data conversion, among other areas. The LT3757AEDD#PBF is specifically a high-voltage, step-up DC-DC converter designed for applications requiring efficient power management. The company emphasizes quality, performance, and reliability in its products, making it a trusted source for engineers and designers in various industries. Analog Devices is headquartered in Norwood, Massachusetts, and operates globally, serving a diverse customer base.
ADI is known for its innovative solutions in signal processing, power management, and data conversion, among other areas. The LT3757AEDD#PBF is specifically a high-voltage, step-up DC-DC converter designed for applications requiring efficient power management. The company emphasizes quality, performance, and reliability in its products, making it a trusted source for engineers and designers in various industries. Analog Devices is headquartered in Norwood, Massachusetts, and operates globally, serving a diverse customer base.
Application
The LT3757AEDD#PBF is a high-performance DC/DC converter primarily used in applications such as LED drivers, solar power systems, battery management, and power supply for telecommunications. It is designed for high-efficiency step-up (boost) and step-down (buck) operations, making it suitable for powering devices in portable electronics, industrial automation, and automotive systems. Its versatility allows for use in applications requiring precise voltage regulation and power conservation.
Package
The LT3757AEDD#PBF is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package).
