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TPS54228DDAR
IC REG BUCK ADJUSTABLE 2A 8SOPWR
- 제조업체
- Mfr.부분 #TPS54228DDAR
- 패키지 SOP-8
- 데이터시트
- 재고 있음6290
100% 원래 &새로운
배송 준비 24 시간
365 일 보장
RFQ 및더 많은 할인
사양
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | D-CAP2™, Eco-Mode™ |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.5V |
| Voltage-Input(Max) | 18V |
| Voltage-Output(Min/Fixed) | 0.76V |
| Voltage-Output(Max) | 7V |
| Current-Output | 2A |
| Frequency-Switching | 700kHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-PowerSOIC (0.154, 3.90mm Width) |
개요
Description
Key features include a high switching frequency of up to 2 MHz, allowing for smaller external components, and a low-quiescent current, which enhances efficiency during light-load conditions. The TPS54228DDAR incorporates current-mode control, offering fast transient response and simplified loop compensation. It also includes built-in protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout, ensuring robust operation.
Packaged in a thermally enhanced 8-pin SO PowerPAD™ package, the TPS54228DDAR allows for efficient heat dissipation. Its design facilitates easy implementation in space-constrained environments, making it a versatile choice for designers looking to optimize power solutions in their electronic circuits.
Features
1. Wide Input Voltage Range: It supports an input voltage range from 4.5V to 18V, making it versatile for different power sources.
2. Adjustable Output Voltage: It can deliver an adjustable output voltage as low as 0.8V, facilitating diverse application needs.
3. High Efficiency: The device is optimized for efficiency, achieving up to 95% under typical conditions.
4. Output Current: It can supply up to 2A of continuous output current, suitable for powering small to medium loads.
5. Switching Frequency: With a fixed frequency of 700 kHz, it balances efficiency and component size.
6. Current Mode Control: Ensures fast transient response and easy loop compensation.
7. Internal Soft Start: Reduces inrush current during startup.
8. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout for enhanced reliability.
9. Compact Package: Available in a small SO-8 package, ideal for space-constrained applications.
These features make the TPS54228DDAR a robust solution for point-of-load applications in consumer electronics, telecom, and industrial systems.
Package
Pinout
1. BOOT: Connects to a bootstrap capacitor to supply the high-side FET driver.
2. VIN: Input supply voltage that powers the device.
3. EN: Enable pin to turn the device on or off.
4. SS/TR: Soft start or tracking input to control the output voltage ramp.
5. COMP: Compensation pin for loop stability.
6. GND: Ground connection.
7. SW: Switch node, connected to the inductor.
8. FB: Feedback input for regulating the output voltage.
This device is used in applications requiring step-down voltage conversion with high efficiency, suitable for powering processors, memory, and other digital circuits.
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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