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HT7833
+Nomenclature-
FabricantHoltek semiconducteurs
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Pièce fabricant #HT7833
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En stock12159
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Spécifications
| Attribut | Valeur |
| Manufacturer | Holtek Semicon |
| Package | SOT-89-3 |
| Voltage - Supply | 8V |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Output Current | 500mA |
| Voltage Dropout | 500mV@(500mA) |
| Features | Overcurrent Protection |
| Output Voltage | 3.3V |
| Output Configuration | Positive electrode |
Présentation
Description
Equivalent
1. AMS1117-3.3 - by Advanced Monolithic Systems.
2. LM1117-3.3 - by Texas Instruments.
3. LD1117-3.3 - by STMicroelectronics.
4. MIC5205-3.3 - by Microchip Technology.
5. AP7333 - by Diodes Incorporated.
These alternatives offer similar voltage regulation for 3.3V output with comparable performance and package options. Always verify specifications for compatibility with your application.
Features
1. Low Dropout Voltage: The HT7833 offers a low dropout voltage, typically around 100mV at light loads, making it efficient for battery-powered applications.
2. Output Voltage: It provides a fixed output voltage of 3.3V, which is common for digital circuits and microcontrollers.
3. Current Output: The HT7833 can deliver a maximum output current of approximately 500mA, suitable for powering small to medium-sized electronic components.
4. Quiescent Current: It exhibits a low quiescent current, generally in the microamp range, helping to extend battery life in portable devices.
5. Thermal Protection: The regulator includes built-in over-temperature protection, safeguarding it from damage due to excessive heat.
6. Short-Circuit Protection: This feature protects the device from damage due to output short circuits.
7. Stability: It requires minimal external components for stable operation, often just a couple of capacitors.
8. Package Options: Available in compact packages, making it suitable for space-constrained applications.
These features make the HT7833 ideal for use in mobile phones, consumer electronics, and other low-power applications.
Pinout
1. VIN (Input Voltage Pin): This pin is where the input voltage is applied. It should be higher than the output voltage to provide the necessary headroom for regulation.
2. VOUT (Output Voltage Pin): This pin provides the regulated output voltage. For the HT7833, this voltage is typically 3.3V.
3. GND (Ground Pin): This pin is connected to the ground of the circuit and serves as the reference point for the input and output voltages.
The HT7833 is commonly used in applications where a stable 3.3V power supply is needed, such as in microcontrollers and other digital circuits. Its low dropout voltage makes it suitable for battery-powered devices, ensuring efficient use of the available power.