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LT3958IUHE
+物料清單IC REG BOOST CUK ADJ 3.3A 36QFN
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製造商ADI公司
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製造商部分 #LT3958IUHE
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有存貨4188
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規格
| 屬性 | 價值 |
| Part Status | Obsolete |
| Function | Step-Up, Step-Up/Step-Down |
| Output Configuration | Positive or Negative |
| Topology | Boost, Cuk, Flyback, SEPIC |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 5V |
| Voltage - Input (Max) | 80V |
| Voltage - Output (Min / Fixed) | 1.6V |
| Voltage - Output (Max) | 84V (Switch) |
| Current - Output | 3.3A (Switch) |
| Frequency - Switching | 100kHz ~ 1MHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 36-WFQFN, 28 Leads, Exposed Pad |
| Supplier Device Package | 36-QFN (5x6) |
| Base Product Number | LT3958 |
概述
Description
Key features include an integrated high-efficiency power switch, a programmable output current, and a wide range of dimming options, including PWM and analog dimming. The LT3958 is designed to optimize efficiency, reducing thermal stress and extending battery life. Its compact package is ideal for space-constrained applications.
The device also includes protection features, such as thermal shutdown and overvoltage protection, ensuring reliable operation in various environments. Altogether, the LT3958IUHE is an excellent choice for applications requiring efficient LED lighting solutions, such as automotive lighting, architectural lighting, and portable devices.
Equivalent
Features
1. Wide Input Voltage Range: Operates from 4.5V to 60V, making it suitable for various power sources.
2. High Efficiency: Provides up to 94% efficiency, reducing heat generation and improving battery life.
3. Constant Current Control: Delivers accurate LED current regulation for consistent brightness.
4. Integrated Switch: Includes a high-side switch to minimize external component count.
5. Adjustable Output Voltage: Capable of generating output voltages up to 60V, accommodating various LED configurations.
6. PWM Dimming: Supports PWM dimming control for flexible brightness adjustment.
7. Programmable Switching Frequency: Allows customization of the switching frequency from 200 kHz to 1 MHz.
8. Protection Features: Includes thermal shutdown and over-voltage protection for enhanced reliability.
The LT3958IUHE is ideal for various LED lighting applications, including automotive, architectural, and general illumination.
Pinout
1. Constant Current Control: It provides precise constant current control for LED applications.
2. Wide Input Voltage Range: Supports input voltages from 4.5V to 60V.
3. Boost Topology: Can be configured for boost, buck, or buck-boost operations.
4. PWM Dimming: Supports PWM dimming with adjustable frequency.
5. Thermal Protection: Includes thermal shutdown for enhanced reliability.
6. Configurable Output Voltage: Adjustable output voltage to accommodate varying LED configurations.
7. Synchronous Operation: Can operate in synchronous mode for improved efficiency.
Overall, the LT3958IUHE is suitable for various lighting applications, including automotive, architectural, and industrial lighting.
Manufacturer
The LT3958 is specifically a high-voltage LED driver designed for various lighting applications, providing features such as constant current control and efficient power management. Analog Devices focuses on creating solutions that enhance performance and efficiency in electronic systems. The company is recognized for its commitment to quality and reliability in the semiconductor industry, making it a key player in the development of advanced technologies.