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LTC3890EUH#TRPBF
IC REG CTRLR BUCK/SEPIC 32QFN
- Hersteller
- Fr. Teil #LTC3890EUH#TRPBF
- Paket QFN32
- Datenblatt LTC3890EUH#TRPBF DataSheet
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Spezifikationen
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | PolyPhase® |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| NumberofOutputs | 2 |
| OutputPhases | 2 |
| Voltage-Supply(Vcc/Vdd) | 4V ~ 60V |
| Frequency-Switching | 105kHz ~ 835kHz, 350kHz ~ 535kHz |
| DutyCycle(Max) | 99% |
| SynchronousRectifier | Yes |
| ClockSync | No |
| ControlFeatures | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 32-WFQFN Exposed Pad |
Übersicht
Description
Key features include high efficiency over a broad load range, programmable output voltages, and the ability to drive all N-channel MOSFETs. It supports current mode control with programmable current limit to enhance reliability and performance. The controller operates with selectable fixed-frequency operation or phase-locked loop (PLL) synchronization to an external clock, allowing for design flexibility.
The LTC3890EUH#TRPBF also offers robust protection features, including overvoltage and overtemperature protection, programmable soft-start, and a power good signal. Its compact QFN package makes it suitable for space-constrained applications. Overall, this controller provides a reliable and efficient solution for power management in complex electronic systems.
Features
1. Wide Input Voltage Range: It supports a broad input voltage range from 4V to 60V, making it suitable for automotive, industrial, and telecom applications.
2. Output Voltage: It can regulate output voltages as low as 0.8V.
3. Dual Outputs: Capable of dual-output operation, featuring two independent output voltage settings.
4. High Efficiency: The controller operates with high efficiency over a wide load range, thanks to its low quiescent current design.
5. Current Mode Control: Offers precise current mode control, providing consistent and accurate power delivery.
6. Adjustable Frequency: The switching frequency is programmable from 50kHz to 900kHz, allowing flexibility in design for optimizing efficiency and size.
7. Synchronization: The device can be synchronized to an external clock for noise-sensitive applications.
8. Protection Features: Includes overvoltage, overcurrent, and overtemperature protection to ensure reliable operation under various conditions.
9. Package: Available in a thermally enhanced 32-lead (5mm × 5mm) QFN package which supports efficient heat dissipation.
These features make the LTC3890EUH#TRPBF a versatile solution for a wide range of power management applications.
Package
Pinout
1. VIN, VOUT: These are the input and output pins for power signals.
2. SW, TG, BG: Switch node, top gate, and bottom gate drive pins for controlling external MOSFETs.
3. FB, ITH: Feedback and control pins for regulating output voltage and compensating the error amplifier respectively.
4. VPRG1, VPRG2: Voltage programming pins for setting output voltage levels.
5. RUN, SS: Run control and soft-start pins to enable operation and adjust startup time.
These pins make the LTC3890EUH#TRPBF versatile for various configurations in power management applications, allowing it to efficiently manage power conversion in complex electronic systems. For detailed pin functions, it is always a good idea to refer to the specific datasheet provided by Analog Devices.
Manufacturer
Application
Equivalent
1. Texas Instruments: TPS40170, a synchronous buck controller.
2. Maxim Integrated: MAX17501, high-efficiency, synchronous step-down controller.
3. ON Semiconductor: NCP5422, a dual-output buck controller.
Equivalent alternatives should be verified for specific application requirements like voltage, current, and additional features.
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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