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LT3763EFE
+BOMIC LED DRVR CTRL PWM 20A 28TSSOP
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Nhà sản xuấtCông ty Analog Devices Inc.
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Ông. Phần #LT3763EFE
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Part Status | Obsolete |
| Base Product Number | LT3763 |
| Type | DC DC Controller |
| Topology | Step-Down (Buck) |
| Internal Switch(s) | No |
| Number of Outputs | 1 |
| Voltage - Supply (Min) | 6V |
| Voltage - Supply (Max) | 60V |
| Voltage - Output | 55V |
| Current - Output / Channel | 20A |
| Frequency | 200kHz ~ 1MHz |
| Dimming | PWM |
| Applications | Lighting |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Grade | Automotive |
| Mounting Type | Surface Mount |
| Package | 28-TSSOP (0.173", 4.40mm Width) Exposed Pad |
| Supplier Device Package | 28-TSSOP-EP |
| Packaging | Tube |
Tổng quan
Description
One of the key features of the LT3763EFE is its ability to deliver accurate LED current regulation and dimming control, which can be achieved through analog or PWM dimming techniques. It also includes an internal PWM generator for simplified LED dimming without an external PWM signal. The device provides robust protection features such as output short-circuit protection, overvoltage protection, and thermal shutdown to ensure safe operation under various conditions. Ideal applications for the LT3763EFE include automotive lighting, industrial lighting, and other LED-based illumination systems.
Equivalent
1. Texas Instruments LM3409 - A high-brightness LED driver with a similar functionality.
2. Maxim Integrated MAX16821 - A step-down constant-current LED driver.
3. On Semiconductor NCL30160 - A high-brightness LED driver.
4. Infineon ILD6150 - A DC-DC converter for LED driving applications.
These alternatives offer similar capabilities for driving high-power LEDs with constant current regulation.
Features
1. Wide Input Voltage Range: It supports an input voltage range from 6V to 60V, making it suitable for various power supply conditions.
2. Output Current Regulation: It provides accurate output current regulation, essential for consistent LED brightness.
3. High Efficiency: The controller is designed to deliver high efficiency over a wide range of output voltages and currents.
4. PWM Dimming: It supports PWM dimming for brightness control, offering a range up to 3000:1 for precision adjustments.
5. Fault Protection: It includes features like overcurrent, overvoltage, and overtemperature protection to enhance reliability.
6. Spread Spectrum Frequency Modulation: This feature helps minimize EMI emissions, critical for sensitive applications.
7. Flexible Topology: The LT3763EFE can be configured for buck, boost, buck-boost, or SEPIC topologies, providing versatility for different design requirements.
8. Integrated Fault Indicator: It has a fault indicator pin for diagnostic purposes.
These features make the LT3763EFE a versatile and efficient choice for LED driver applications in automotive, industrial, and architectural lighting systems.
Pinout
The main functions of the LT3763EFE include:
1. Current Regulation: It delivers accurate regulation of the LED current, ensuring consistent brightness and color over a wide range of operating conditions.
2. High Efficiency: The device is designed for high-efficiency operation, which is important for minimizing power loss and heat generation in LED applications.
3. PWM Dimming: It supports PWM dimming, allowing precise control over LED brightness.
4. Fault Protection: It includes built-in protection features such as overvoltage, overcurrent, and overtemperature protection to ensure safe operation.
5. Versatile Operation: It can operate in a wide range of input voltages and configurations, making it suitable for various applications.
The LT3763EFE is widely used in applications requiring high power LED driving, such as automotive lighting, architectural lighting, and general illumination.