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TPS54340DDAR
IC REG BUCK ADJ 3.5A 8SOPWR
- 제조업체
- Mfr.부분 #TPS54340DDAR
- 패키지 HSOIC-8
- 데이터시트
- 재고 있음3400
100% 원래 &새로운
배송 준비 24 시간
365 일 보장
RFQ 및더 많은 할인
사양
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | Eco-Mode™ |
| ProductStatus | Not For New Designs |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.5V |
| Voltage-Input(Max) | 42V |
| Voltage-Output(Min/Fixed) | 0.8V |
| Voltage-Output(Max) | 41.1V |
| Current-Output | 3.5A |
| Frequency-Switching | 100kHz ~ 2.5MHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-PowerSOIC (0.154, 3.90mm Width) |
개요
Description
Key features include an integrated high-side MOSFET and an adjustable switching frequency ranging from 100 kHz to 2.5 MHz, allowing for flexible optimization between efficiency and component size. The device also offers internal loop compensation, cycle-by-cycle current limit, thermal shutdown, and an enable pin for easy power sequencing.
Its high-efficiency capability makes it suitable for use in a wide range of applications, including industrial control systems, consumer electronics, and telecom equipment. The TPS54340DDAR comes in an 8-pin SO PowerPAD package, which aids in heat dissipation and compact design, making it optimal for space-constrained applications.
Features
Key features include high efficiency, typically over 90%, and a switching frequency adjustable from 100 kHz to 2.5 MHz, allowing for optimization between efficiency and component size. The TPS54340 also includes an enable pin for power sequencing, an internal soft-start for controlled turn-on, and a power good output to indicate the status of the output voltage.
Protection features of the TPS54340 include cycle-by-cycle current limiting, thermal shutdown, and undervoltage lockout. It also supports Eco-mode for improved efficiency at light loads. The device is available in a thermally enhanced SO-8 package, which aids in heat dissipation. Overall, the TPS54340DDAR is a versatile and robust solution for step-down power conversion needs.
Package
Pinout
1. BOOT: Bootstrapped capacitor connection for high-side MOSFET gate drive.
2. VIN: Input voltage supply pin; supports 4.5 V to 42 V.
3. EN: Enable pin for device control; a high level on this pin enables the device.
4. SS/TR: Soft-start and tracking pin; controls the ramp-up of the output voltage.
5. GND: Ground connection.
6. VSENSE: Feedback pin for output voltage regulation; connects to the resistive divider from the output.
7. COMP: Compensation pin; used for stability and transient response optimization.
8. SW: Switch pin; connected to the output inductor.
The TPS54340 is used in applications requiring step-down voltage conversion with high efficiency and compact size, making it suitable for consumer electronics, industrial applications, and distributed power systems.
Manufacturer
Application
Equivalent
1. LM2678 by Texas Instruments
2. LM2576HV by Texas Instruments
3. LMR16030 by Texas Instruments
4. LT8609 by Analog Devices
5. MP1584 by Monolithic Power Systems
These alternatives offer similar functionalities but may differ in specifications like input voltage range, output current, and additional features. Always compare datasheets to ensure compatibility with your specific application needs.
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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