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LTC3855EUJ#TRPBF
IC REG CTRLR BUCK 40QFN
- 제조업체
- Mfr.부분 #LTC3855EUJ#TRPBF
- 패키지
- 데이터시트 LTC3855EUJ#TRPBF DataSheet
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배송 준비 24 시간
365 일 보장
RFQ 및더 많은 할인
사양
| Series | PolyPhase® |
| Part Status | Active |
| Base Product Number | LTC3855 |
| Output Type | Transistor Driver |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Number of Outputs | 2 |
| Output Phases | 2 |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 38V |
| Frequency - Switching | 250kHz ~ 770kHz |
| Duty Cycle (Max) | 95% |
| Synchronous Rectifier | Yes |
| Clock Sync | No |
| Control Features | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package | 40-WFQFN Exposed Pad |
| Supplier Device Package | 40-QFN (6x6) |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
개요
Description
Key features include:
- Dual outputs with current sharing capability.
- Adjustable output voltage from 0.8V to 5V.
- Integrated power-saving modes for improved efficiency.
- Fast transient response and built-in protections (overvoltage, overcurrent).
- Simple control loop, enabling easy design and implementation.
The LTC3855 is ideal for powering microcontrollers, FPGAs, and other digital circuits, providing reliable and efficient power management. Its robust performance and versatility make it a popular choice among engineers in the power electronics sector. For detailed specifications, refer to the manufacturer's datasheet.
Features
1. Wide Input Range: Operates from 4.5V to 60V input voltage, making it suitable for various power sources.
2. Output Voltage: Adjustable output voltage range from 0.8V to 15V.
3. High Efficiency: Capable of achieving efficiencies over 95%, which reduces heat and increases reliability.
4. Current Mode Control: Provides fast transient response and stable operation across a wide range of loads.
5. Integrated Drivers: Includes high-side and low-side MOSFET drivers, simplifying design and reducing external component count.
6. Frequency Synchronization: Allows synchronization to an external clock for reduced noise and improved performance.
7. Power Good Indicator: Monitors output voltage and offers a power good signal for system monitoring.
8. Programmable Switching Frequency: Adjustable frequency from 250kHz to 1MHz enables optimization for size and efficiency.
These features make the LTC3855EUJ#TRPBF ideal for automotive, industrial, and telecom applications.
Package
Pinout
The primary functions of the LTC3855 include:
1. Voltage Regulation: It regulates output voltage with a wide input voltage range.
2. Current Sharing: Supports multiple controllers for load sharing.
3. Phase Syncing: Allows synchronization of multiple devices for reduced ripple.
4. Compensation: Integrated compensation simplifies circuit design.
5. Power Good Output: Monitors output voltage and signals status.
6. Soft-Start: Controls inrush current during startup.
These features make the LTC3855 highly suitable for applications requiring efficient power management, such as telecommunications, industrial systems, and automotive electronics.
Manufacturer
Application
Equivalent
배송
배송 방법We
DHL, FedEx, TNT, UPS 또는 선택한 다른 운송업체를 통해 글로벌 배송 서비스를 제공합니다.
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.
지불
Payment Methods
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