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LT3990EMSE#TRPBF
+物料清單IC REG BUCK ADJ 350MA 16MSOP
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製造商部分 #LT3990EMSE#TRPBF
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規格
| 屬性 | 價值 |
| PartStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.2V |
| Voltage-Input(Max) | 62V |
| Voltage-Output(Min/Fixed) | 1.21V |
| Voltage-Output(Max) | 25V |
| Current-Output | 350mA |
| Frequency-Switching | 210kHz ~ 2.3MHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 16-TFSOP (0.118", 3.00mm Width) Exposed Pad |
| SupplierDevicePackage | 16-MSOP-EP |
| BaseProductNumber | LT3990 |
概述
Description
Key features include a wide input voltage range, adjustable output voltage, and high switching frequency, which enables smaller inductor and capacitor sizes. The device also offers features such as overcurrent protection, thermal shutdown, and a power-good indicator, enhancing reliability and performance.
The LT3990 operates with an efficiency of up to 95%, making it an ideal choice for applications where power conservation is critical. Its compact package and ease of use make it well-suited for space-constrained designs. Overall, it is a robust solution for designers looking for a reliable and efficient power management solution.
Equivalent
1. MAX16834 - A high-voltage LED driver with similar features.
2. LM3405 - A buck LED driver with high efficiency.
3. TPS92630 - A programmable LED driver suitable for similar applications.
4. LTC3767 - A high-voltage LED driver with adjustable current.
Be sure to verify specific requirements like voltage range, output current, and package type for compatibility.
Features
1. Wide Input Voltage Range: Operates from 4.5V to 60V, making it suitable for various applications.
2. High Efficiency: Capable of achieving over 90% efficiency, reducing heat generation and improving reliability.
3. Constant Current Control: Provides precise LED current regulation, ensuring consistent brightness.
4. Adjustable Output Current: Output current can be set with a single resistor, offering flexibility for different LED configurations.
5. Protection Features: Includes thermal shutdown, LED open/short circuit protection, and overvoltage protection to enhance safety.
6. Switching Frequency: Operates at a high frequency (up to 1MHz), allowing for smaller external components.
7. Thermal Performance: Available in a compact MSOP-16 package, facilitating space-saving designs.
This IC is ideal for automotive, industrial, and architectural lighting applications.
Pinout
Key functions of the LT3990 include:
1. LED Current Control: It regulates the output current for consistent LED brightness.
2. Adjustable Output Voltage: It supports various output voltages to accommodate different LED configurations.
3. Thermal Protection: Includes features to protect against overheating.
4. PWM Dimming: Allows for brightness control via pulse-width modulation.
5. High Efficiency: It operates with high efficiency to minimize power loss.
The device is available in a compact MSE package, making it suitable for space-constrained applications. The combination of these features makes the LT3990EMSE#TRPBF ideal for LED driving in demanding environments.
Manufacturer
Analog Devices primarily serves a wide range of industries, including automotive, communications, healthcare, industrial automation, and consumer electronics. The company is known for its advanced technologies in data conversion, signal processing, and power management, making it a key player in the electronics market. The LT3990, specifically, is a high-performance LED driver designed for applications in lighting and display systems, demonstrating Analog Devices' commitment to innovation and quality in the semiconductor sector.