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L4978D013TR
IC REG BUCK ADJUSTABLE 2A 16SO
- 제조업체
- Mfr.부분 #L4978D013TR
- 패키지 SO-16
- 데이터시트 L4978D013TR DataSheet
- 재고 있음4386
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사양
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 8V |
| Voltage-Input(Max) | 55V |
| Voltage-Output(Min/Fixed) | 3.3V |
| Voltage-Output(Max) | 50V |
| Current-Output | 2A |
| Frequency-Switching | 100kHz ~ 300kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 16-SOIC (0.295, 7.50mm Width) |
개요
Description
Key features of the L4978D013TR include a wide input voltage range, high switching frequency, and the ability to deliver a substantial output current. It is designed for efficiency, minimizing power loss and heat generation, which is crucial for maintaining performance in compact and thermally constrained environments. The IC also includes various protection features, such as current limiting, thermal shutdown, and overvoltage protection, ensuring reliability and safety in operation.
This IC is commonly utilized in consumer electronics, automotive systems, telecommunications, and industrial equipment where efficient power conversion and regulation are required. Its compact package and integrated features make it a versatile choice for engineers designing power supply circuits.
Features
1. Output Current and Voltage: It provides an output current of up to 2A with an adjustable output voltage, typically ranging from 5.1V to 40V.
2. Efficiency and Configuration: The efficiency is enhanced by its switch-mode operation. It is capable of step-down (buck) configurations.
3. Switching Frequency: Operates at a fixed switching frequency of 100 kHz.
4. Protection Features: Includes built-in protection mechanisms such as thermal shutdown, current limiting, and overvoltage protection to ensure reliable operation under various conditions.
5. Package: Comes in a compact SO-20 package, making it suitable for space-constrained applications.
6. Input Voltage Range: Supports a wide input voltage range from 8V to 55V, making it versatile for different power supply conditions.
7. Additional Features: Includes a voltage feedforward control for improved line regulation and soft-start capability to reduce inrush current during start-up.
These features make the L4978D013TR ideal for applications requiring efficient power conversion with robust protection and flexibility.
Package
Pinout
Key functions and features include:
1. Pin Count: 16 pins.
2. Input Voltage: 8V to 55V.
3. Output Voltage: Adjustable, with an internal reference of 5.1V.
4. Output Current: Up to 2A.
5. Switching Frequency: 200 kHz.
6. Efficiency: High efficiency, typically around 90%.
7. Protection: Features include current limiting, thermal shutdown, and output overvoltage protection.
The L4978D013TR is used in various applications where efficient voltage step-down is required, such as in power management for embedded systems, telecommunications, and automotive electronics.
Manufacturer
Application
Equivalent
1. LM2596 by Texas Instruments
2. LM2678 by Texas Instruments
3. MC34063 by ON Semiconductor
4. MP1584 by Monolithic Power Systems
5. LT1376 by Analog Devices
These alternatives offer similar functionalities but may vary in specific features such as input voltage range, output current, or efficiency. Always compare datasheets to ensure compatibility with your requirements.
배송
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배송 요금 참조 (DHL/FedEx):
DHL은: 배송 비용은 $25-$45 (0.5kg)에서 2-5 영업일의 추정적 배달 시간이 있습니다.
FedEx는: 배송 비용은 $25-$40 (0.5kg)에서 3-7 영업일의 추정적 배달 시간을 가지고 있습니다.
UPS는: 배송 비용은 $25-$45 (0.5kg)에서 3-7 영업일의 추정적 배달 시간을 가지고 있습니다.
TNT는: 배송 비용은 $25-$65 (0.5kg)에서 3-7 영업일의 추정적 배달 시간을 가지고 있습니다.
EMS는: 배송 비용은 $30-$50 (0.5kg)에서 7-15 영업일의 추정적 배달 시간을 제공합니다.
등록된 항공우편: 배송 비용은 $2-$4 (0.1kg), 예상 배달 시간 5-20 영업일.
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