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LM5140QRWGRQ1
DUAL SYNCHRONOUS BUCK CONTROLLER
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- Fr. Teil #LM5140QRWGRQ1
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- Datenblatt LM5140QRWGRQ1 DataSheet
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Spezifikationen
| Part Status | Active |
| Output Type | Transistor Driver |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Number of Outputs | 2 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 3.8V ~ 65V |
| Frequency - Switching | 440kHz, 2.2MHz |
| Synchronous Rectifier | Yes |
| Clock Sync | Yes |
| Control Features | Current Limit, Enable, Frequency Control, Soft Start |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount, Wettable Flank |
| Package / Case | 40-VFQFN Exposed Pad |
| Supplier Device Package | 40-VQFNP (6x6) |
| Base Product Number | LM5140 |
| Grade | Automotive |
| Qualification | AEC-Q100 |
Übersicht
Description
Key features of the LM5140 include a dual-phase architecture that enables high output current capability while maintaining compact design. It offers adjustable switching frequency, extensive protection features (such as overcurrent, thermal shutdown, and under-voltage lockout), and a flexible control scheme. The device is designed to meet stringent automotive standards, making it suitable for critical applications that require reliability and performance under harsh conditions.
Overall, the LM5140QRWGRQ1 is a versatile solution for designers looking to implement efficient and reliable power conversion in automotive systems.
Features
1. Wide Input Voltage Range: Operates from 4.5V to 60V, accommodating various automotive power systems.
2. High Efficiency: Supports PWM operation for efficient power conversion, minimizing heat generation.
3. Adaptive On-Time Control: Ensures stable operation across a wide range of output voltages and load conditions.
4. Integrated Gate Drivers: Features high-side and low-side MOSFET drivers for optimal switching performance.
5. Fault Protection: Includes features like over-voltage protection, under-voltage lockout, and thermal shutdown to enhance reliability.
6. Adjustable Switching Frequency: Allows flexibility in design to meet specific application requirements.
7. Phase Spread: Supports multi-phase operation to improve efficiency and reduce output ripple.
8. Automotive Grade: AEC-Q100 qualified, ensuring robustness for automotive environments.
These features make the LM5140QRWGRQ1 suitable for powering various automotive systems, including infotainment, ADAS, and electric vehicle applications.
Package
Pinout
Key functions include:
1. Dual Buck Control: It supports dual-channel output for efficient power conversion.
2. Voltage Regulation: Provides precise output voltage regulation suitable for various loads.
3. Sync and Phase Control: Allows for phase interleaving to improve efficiency and reduce ripple.
4. Compensation Network: Integrated compensation simplifies design and enhances stability.
5. Programmable Design Features: Features like programmable switching frequency and adjustable soft-start for flexibility in design.
6. Protection Features: Includes over-voltage protection, under-voltage lockout, and thermal shutdown for reliable operation.
These features make the LM5140QRWGRQ1 suitable for automotive applications requiring efficient and reliable power management.
Manufacturer
Application
Equivalent
1. LM5140-Q1 (automotive grade)
2. LT8640 (from Analog Devices)
3. TPS561201 (from Texas Instruments)
4. ISL8273 (from Renesas)
5. LTC3780 (from Analog Devices)
Always verify specifications and compatibility for your specific application.
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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