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TPS54340DDAR
IC REG BUCK ADJ 3.5A 8SOPWR
- Hersteller
- Fr. Teil #TPS54340DDAR
- Paket HSOIC-8
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Spezifikationen
| 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) |
Übersicht
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.
Versand
VersandmethodenWir
bieten Sie globale Versanddienstleistungen durch DHL, FedEx, TNT, UPS oder einen anderen Spediteur Ihrer Wahl.
Versandgebührenreferenz (DHL/FedEx):
DHL: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 2-5 Werktagen.
von FedEx: Versandkosten reichen von $25-$40 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.
UPS: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.
TNT: Versandkosten reichen von $25-$65 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.
EMS: Versandkosten reichen von $30-$50 (0.5kg), mit einer geschätzten Lieferzeit von 7-15 Werktagen.
Registrierte Luftpost: Versandkosten sind $ 2- $ 4 (0,1 kg), mit einer geschätzten Lieferzeit von 5-20 Werktagen.
Zahlungen
Payment Methods
Die Zahlungsfrist ist 100% Prepaid.
Derzeit akzeptieren wir nur die folgenden Zahlungsmethoden:
1. PayPal
2. Kredit- / Debitkarte
3. Überweisung
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