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LT3751IUFD#PBF
+StücklisteIC CTRLR CAP CHRGR 4.75V 20-QFN
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HerstellerAnalog Devices Inc.
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Herstellerteil #LT3751IUFD#PBF
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Datenblatt LT3751IUFD#PBF DataSheet
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Auf Lager4934
365 Tage Qualitätsgarantie
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Spezifikationen
| Attribut | Wert |
| PartStatus | Active |
| Applications | Photoflash Capacitor Charger |
| Current-Supply | 5.5mA |
| Voltage-Supply | 4.75V ~ 24V |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 20-WFQFN Exposed Pad |
| SupplierDevicePackage | 20-QFN (4x5) |
| BaseProductNumber | LT3751 |
Übersicht
Description
Key features include a built-in high-side switch, programmable switching frequency, and a wide range of dimming options, including PWM and analog control. The IC supports output voltages up to 100V and can efficiently manage power with high levels of integration, reducing the need for external components.
The LT3751 includes protections against over-voltage, over-current, and thermal shutdown, making it reliable for various applications such as automotive lighting, industrial lighting, and other LED driving needs. Its compact package and efficient operation contribute to space-saving designs in modern electronics.
Equivalent
1. LM2577 - A simple boost converter by Texas Instruments.
2. TPS61030 - A boost converter from Texas Instruments with similar voltage and current specifications.
3. MAX757 - A boost converter by Maxim Integrated.
Always verify compatibility in terms of specifications, such as input voltage range, output voltage, and current requirements when considering substitutes.
Features
1. High Efficiency: It operates with efficiencies up to 95%, minimizing heat generation.
2. Multi-Phase Operation: Supports up to 8 phases, allowing for scalable current handling and improved thermal performance.
3. Wide Input Voltage Range: Accepts input voltages from 4V to 60V, making it suitable for various power supply applications.
4. Current Regulation: Provides precise LED current regulation with a typical accuracy of ±2%, ensuring consistent brightness.
5. Thermal Shutdown: Integrated thermal protection prevents damage from overheating.
6. Adjustable Switching Frequency: Offers a programmable frequency range, facilitating optimized performance based on application needs.
7. PWM Dimming: Supports PWM dimming for flexible brightness control.
8. Compact Package: Available in a 16-lead TSSOP package, suitable for space-constrained designs.
These features make the LT3751IUFD#PBF ideal for driving LED lighting in a variety of applications, including automotive and general illumination.
Pinout
Pin Count: 20 pins
Function: The LT3751 is designed for driving high-brightness LEDs in various applications, including architectural lighting and automotive lighting. It operates as a constant current source, providing precise control over LED brightness. Key features include:
- Input Voltage Range: 4.5V to 60V
- Switching Frequency: Adjustable up to 1.2 MHz
- Current Sense Resistor: Allows for accurate LED current regulation
- Integrated PWM Dimming: Facilitates smooth dimming control
- Thermal Protection: Protects against overheating
Overall, the LT3751 is optimized for efficiency and flexibility in LED lighting applications, allowing for multiple LED configurations.
Manufacturer
Analog Devices primarily serves sectors such as industrial automation, automotive, communications, healthcare, and consumer electronics. Its product portfolio includes amplifiers, converters, sensors, and power management solutions, among others. The LT3751 series specifically serves as a high-efficiency LED driver, highlighting ADI's focus on energy-efficient solutions.
In addition to its extensive product offerings, Analog Devices emphasizes research and development, driving advancements in technology to meet the evolving needs of its customers. The company's commitment to quality and reliability has established it as a leader in the semiconductor industry.