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UA78M33CDCYR
IC REG LIN 3.3V 500MA SOT223-4
- Manufacturer
- Mfr. Part #UA78M33CDCYR
- Package SOT223
- Datasheet UA78M33CDCYR DataSheet
- In Stock6751
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Specifications
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 25V |
| Voltage-Output(Min/Fixed) | 3.3V |
| VoltageDropout(Max) | 2V @ 350mA |
| Current-Output | 500mA |
| PSRR | 80dB (120Hz) |
| ProtectionFeatures | Over Current, Over Temperature, Short Circuit |
| OperatingTemperature | 0°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | TO-261-4, TO-261AA |
Overview
Description
This device features internal current limiting, thermal shutdown, and safe-area compensation, which protect it against overload conditions. The regulator operates efficiently over a wide input voltage range and is typically used in consumer electronics, industrial devices, and other systems requiring a stable 3.3V power supply.
The component is packaged in a SOT-223 surface-mount package, which is compact, offering ease of integration into various circuit designs. Its reliability and robust performance make it a popular choice for ensuring stable voltage supply in electronic circuits. The UA78M33CDCYR is valued for its simplicity, cost-effectiveness, and dependability in maintaining output voltage under varying load conditions.
Features
1. Output Voltage: 3.3V fixed.
2. Output Current: Up to 500 mA.
3. Input Voltage Range: Typically requires an input voltage higher than the output voltage to function correctly.
4. Thermal Protection: Includes thermal shutdown to prevent damage from overheating.
5. Short-Circuit Protection: Safeguards the device from excessive current draw.
6. Dropout Voltage: Relatively low dropout voltage, which is the minimum difference between input and output voltage required for regulation.
7. Package Type: Typically available in surface-mount packages suitable for compact designs.
8. Operating Temperature Range: Suitable for a range of temperatures, providing reliable performance in various environments.
9. Load and Line Regulation: Ensures stable output despite variations in input voltage and output load.
These features make the UA78M33CDCYR ideal for applications requiring a stable 3.3V supply, such as microcontroller and digital circuit power supplies.
Package
Pinout
The pin functions are as follows:
1. Input (Vin): This pin receives the unregulated input voltage, which should be higher than the desired output voltage of 3.3V to ensure proper regulation.
2. Ground (GND): This is the common reference pin for both the input and output voltages.
3. Output (Vout): This pin provides the regulated output voltage of 3.3V.
The UA78M33CDCYR is designed for use in a wide range of applications requiring a stable and reliable low-dropout voltage regulation. It typically includes features like current limiting and thermal shutdown for protection. Always refer to the specific datasheet for detailed electrical characteristics and application guidelines.
Manufacturer
Application
Equivalent
1. LM2937-3.3 by Texas Instruments
2. MC33269D-3.3 by ON Semiconductor
3. LD1117V33 by STMicroelectronics
4. MIC2937A-3.3 by Microchip Technology
5. AMS1117-3.3 by Advanced Monolithic Systems
These products have similar voltage output and performance characteristics. Always check the datasheets to ensure full compatibility with your specific application.
Shipping
Shipping MethodsWe
offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.
Shipping Fee Reference (DHL/FedEx):
DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.
FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.
UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.
TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.
EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.
Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.
Payments
Payment Methods
The Payment term is 100% Prepaid.
Currently, we only accept the below payment methods:
1. PayPal
2. Credit/ Debit Card
3. Wire Transfer
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