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LM5146RGYR
IC REG CTRLR BUCK 20VQFN
- Hersteller
- Fr. Teil #LM5146RGYR
- Paket VQFN-20
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Spezifikationen
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| NumberofOutputs | 1 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 5.5V ~ 100V |
| Frequency-Switching | 100kHz ~ 1MHz |
| DutyCycle(Max) | 99% |
| SynchronousRectifier | Yes |
| ClockSync | Yes |
| ControlFeatures | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Ramp, Soft Start |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount, Wettable Flank |
| Package/Case | 20-VFQFN Exposed Pad |
Übersicht
Description
Key features of the LM5146RGYR include its ability to drive external N-channel MOSFETs, allowing for flexible design choices and optimization of power dissipation. It also includes programmable switching frequency, which can be adjusted to optimize efficiency and minimize electromagnetic interference (EMI). The device is equipped with features like adjustable soft start, cycle-by-cycle current limiting, and output voltage tracking.
The LM5146RGYR is part of the larger LM5146 family, which offers different packaging options and additional functionalities to suit specific design requirements. Overall, the LM5146RGYR is a robust solution for designers looking to implement efficient and reliable DC-DC conversion in their power management systems.
Features
1. Wide Input Voltage Range: Supports 3.8V to 65V, making it suitable for various applications.
2. High Efficiency: Offers efficiency through synchronous rectification and low quiescent current.
3. Programmable Frequency: Allows switching frequency adjustment from 100 kHz to 1 MHz.
4. Fast Transient Response: Uses constant-on-time control for quick reaction to load changes.
5. Integrated Drivers: Includes high-side and low-side MOSFET drivers for simplified design.
6. Current Sensing: Supports both inductor DCR and resistor sensing for flexible current measurement.
7. Protection Features: Offers overcurrent, overvoltage, and thermal shutdown protections.
8. Adjustable Soft Start: Provides controlled output voltage ramp-up to prevent inrush current.
9. Synchronization Capability: Can be synchronized to an external clock for improved noise performance.
10. Power Good Indicator: Signals when the output is within the desired range.
These features make the LM5146RGYR highly adaptable for industrial, automotive, and communications applications requiring efficient and reliable power conversion.
Package
Pinout
Manufacturer
Application
Equivalent
1. LT8705 by Analog Devices: A similar DC/DC controller with wide input voltage range.
2. MAX15062 by Maxim Integrated: Offers similar functionality in a compact form.
3. MIC2107 by Microchip Technology: Another synchronous buck controller for similar applications.
4. NCP81276 by ON Semiconductor: Provides similar buck conversion capabilities.
Ensure to check specific electrical parameters to match your design requirements.
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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