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MIC5209-3.3YS
+NomenclatureIC REG LIN 3.3V 500MA SOT223-3
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FabricantTechnologie de micropuce
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Pièce fabricant #MIC5209-3.3YS
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Fiche technique MIC5209-3.3YS DataSheet
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Package SOT-223-3
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En stock7199
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Spécifications
| Attribut | Valeur |
| Package | Tube |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 16V |
| Voltage-Output(Min/Fixed) | 3.3V |
| VoltageDropout(Max) | 0.6V @ 500mA |
| Current-Output | 500mA |
| Current-Quiescent(Iq) | 170 µA |
| Current-Supply(Max) | 25 mA |
| PSRR | 75dB (120Hz) |
| ProtectionFeatures | Over Current, Over Temperature, Reverse Polarity |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | TO-261-4, TO-261AA |
Présentation
Description
Key features of the MIC5209-3.3YS include a low dropout voltage of around 165mV at 500mA, which helps maintain regulation even when the input voltage is near the desired output voltage. It also offers high accuracy and stability with an output current capability of up to 500mA. The device includes internal current limiting and thermal protection to safeguard against overload conditions, enhancing reliability.
This LDO regulator is known for its low quiescent current, which helps reduce power consumption when the device is idle. Additionally, it offers a fast transient response, which is essential for applications with dynamic load conditions.
Overall, the MIC5209-3.3YS is a versatile and efficient choice for applications requiring stable voltage regulation with minimal power loss.
Equivalent
1. TPS76733 from Texas Instruments - Offers similar output voltage and features.
2. LD1117-3.3 from STMicroelectronics - Also provides a fixed 3.3V output.
3. LM1117-3.3 from Texas Instruments - Another alternative with similar characteristics.
4. AP1117-3.3 from Diodes Incorporated - Offers comparable performance and output.
Always compare the specific electrical characteristics and package type to ensure compatibility with your application.
Features
1. Output Voltage: Fixed at 3.3V.
2. Dropout Voltage: Low dropout voltage, typically around 500mV at 500mA load current.
3. Output Current: Capable of supplying up to 500mA.
4. Accuracy: High output voltage accuracy, typically ±1%.
5. Quiescent Current: Low quiescent current, usually around 90µA.
6. Thermal Protection: Integrated thermal shutdown for protection against overheating.
7. Current Limiting: Built-in current limiting to protect against overload conditions.
8. Reverse Polarity Protection: Prevents damage due to reverse voltage.
9. Stability: Stable with low ESR ceramic capacitors.
10. Package: Available in an 8-pin SOIC package for surface mounting.
These features make it suitable for applications that require efficient power regulation with minimal power loss, such as in portable devices, battery-powered equipment, and microprocessor power supply systems.
Pinout
Key pins include:
- Pin 1 (NC or ADJ): No connection or adjustment pin for setting output voltage (if adjustable version).
- Pin 2 (GND): Ground connection.
- Pin 3 (SHDN): Shutdown pin for enabling or disabling the regulator.
- Pin 4 (SS): Soft-start pin, which helps in controlling the inrush current during start-up.
- Pin 5 (NC): No connection.
- Pin 6 (NC): No connection.
- Pin 7 (VOUT): Output voltage pin providing the regulated 3.3V.
- Pin 8 (VIN): Input voltage pin where the input supply is connected.
This regulator is often used for its efficiency, low noise, and ability to provide a stable output even with varying input conditions.