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RT8237FZQW
IC REG CTRLR BUCK PWM WDFN-10
- Fabricant
- Mfr. Partie #RT8237FZQW
- Paquet WDFN-10
- Fiche de données RT8237FZQW DataSheet
- En stock3812
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Spécifications
| 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) | 4.5V ~ 26V |
| Frequency-Switching | 290kHz ~ 430kHz |
| SynchronousRectifier | Yes |
| ClockSync | No |
| ControlFeatures | Current Limit, Enable, Phase Control, Power Good, Soft Start |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 10-WFDFN Exposed Pad |
Vue d'ensemble
Description
Key features of the RT8237FZQW include adjustable output voltage, high efficiency at light load through proprietary light load operation, and excellent line and load transient responses. The device includes protection features such as over-voltage protection, under-voltage protection, current limit protection, and thermal shutdown. It also supports power-saving modes to enhance energy efficiency.
The RT8237FZQW is packaged in a compact WQFN package, which is advantageous for space-constrained applications. Its design flexibility and robust performance make it a popular choice in power management solutions. For detailed specifications, consulting the official datasheet from Richtek is recommended.
Features
- Input Voltage Range: It supports a wide input voltage range, typically from 4.5V to 24V, making it versatile for various applications.
- Output Voltage: The converter can regulate output voltages as low as 0.6V, suitable for low-voltage digital ICs.
- Current Capability: It can deliver output currents up to 3A, supporting moderate power demands.
- Switching Frequency: The device operates at a fixed frequency, often in the range of around 500kHz to 1MHz, which helps in reducing external component size.
- Efficiency: High efficiency, often over 90%, achieved through synchronous rectification, reducing power loss.
- Protection Features: Includes over-current, over-voltage, under-voltage lockout, and thermal shutdown protections to ensure reliable operation.
- Package: Available in compact QFN packages, ideal for space-constrained designs.
- Additional Features: Supports adjustable output voltage and includes soft-start functionality to prevent inrush current during startup.
These features make the RT8237FZQW suitable for use in battery-powered devices, portable electronics, and other applications requiring efficient power management in a compact form factor.
Package
Pinout
The key functions of the RT8237FZQW include:
1. Switching Regulator: It provides step-down (buck) conversion to efficiently regulate the output voltage from a higher input voltage source.
2. Synchronous Rectification: Enhances efficiency by using internal MOSFETs for synchronous rectification.
3. Feedback Control: Ensures stable output voltage by comparing the output voltage with a reference voltage and adjusting the duty cycle of the switching transistors accordingly.
4. Protection Features: Includes over-current protection (OCP), over-voltage protection (OVP), under-voltage protection (UVP), and thermal shutdown to safeguard the converter and connected loads.
5. Power Good Indicator: Provides a signal indicating whether the output voltage is within the specified range, ensuring reliable operation.
The RT8237FZQW is suitable for applications requiring efficient power conversion with precise voltage regulation, such as in laptops, desktop computers, and other portable electronics.
Manufacturer
Application
Equivalent
Expédition
Méthodes d'expéditionNous
offrir des services d'expédition mondiaux par DHL, FedEx, TNT, UPS ou tout autre expéditeur de votre choix.
Référence des frais d'expédition (DHL/FedEx):
DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.
FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.
UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.
TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.
EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.
Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.
Paiements
Payment Methods
Le terme de paiement est 100% prépayé.
Actuellement, nous n'acceptons que les méthodes de paiement ci-dessous:
1. PayPal
2. Carte de crédit/débit
3. Transfert bancaire
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