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TPS73801DCQR
+NomenclatureIC REG LINEAR POS ADJ 1A SOT223
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FabricantTexas Instruments
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Pièce fabricant #TPS73801DCQR
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Package SOT-223 (DCQ)-6
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En stock4276
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Spécifications
| Attribut | Valeur |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Adjustable |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 20V |
| Voltage-Output(Min/Fixed) | 1.21V |
| Voltage-Output(Max) | 20V |
| VoltageDropout(Max) | 0.5V @ 1A |
| Current-Output | 1A |
| Current-Quiescent(Iq) | 1.5 mA |
| Current-Supply(Max) | 80 mA |
| PSRR | 58dB ~ 37dB (100Hz ~ 10kHz) |
| ControlFeatures | Enable |
| ProtectionFeatures | Over Current, Over Temperature, Reverse Polarity |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | SOT-223-6 |
Présentation
Description
Key features of the TPS73801DCQR include:
1. Low Dropout Voltage: Ensures efficient operation even with low headroom between input and output voltages.
2. Adjustable Output Voltage: Offers flexibility for different applications by allowing the output voltage to be set according to specific needs.
3. Thermal Protection: Protects the device from overheating, enhancing reliability.
4. Current Limiting: Prevents damage due to excessive current.
5. Package Type: Offered in a small form factor, facilitating usage in space-constrained applications.
This regulator is suitable for a variety of electronic applications, including consumer electronics, industrial equipment, and wireless communication devices.
Equivalent
1. LT1963AEST-1.5 by Analog Devices - Similar low-dropout and current capabilities.
2. MIC29152 by Microchip Technology - Comparable performance and features.
3. NCP1117 by ON Semiconductor - Commonly used with similar specifications.
4. LM317 - Widely used adjustable regulator, though it may differ slightly in specs.
Ensure to cross-check specific electrical characteristics and package compatibility when selecting an equivalent.
Features
1. Adjustable Output Voltage: Offers an adjustable output voltage range from 1.2V to 25V, providing flexibility for various applications.
2. High Output Current: Can deliver up to 1A of output current, suitable for powering demanding loads.
3. Low Dropout Voltage: Exhibits a low dropout voltage, enhancing efficiency when operating close to the output voltage.
4. Ultra-Low Noise: Designed for low noise output, making it ideal for noise-sensitive applications like RF systems.
5. High PSRR: Possesses a high Power Supply Rejection Ratio, ensuring stable performance even with fluctuating input voltages.
6. Thermal Protection: Includes thermal shutdown protection to prevent damage from overheating.
7. Fast Start-Up: Features a fast start-up time, ensuring quick power-up for connected devices.
8. Current Limit Protection: Built-in current limit to protect against overcurrent scenarios.
9. Package: Available in a small, thermally efficient package, making it suitable for compact designs.
These features make the TPS73801DCQR an excellent choice for applications requiring reliable, low-noise power regulation.
Pinout
1. IN: Input voltage pin where the unregulated voltage is supplied.
2. OUT: Output pin where the regulated voltage is provided.
3. GND: Ground pin for circuit reference.
4. NR/SS: Noise reduction or soft-start pin to reduce output noise or control the start-up time.
5. FB: Feedback pin used to set the output voltage by connecting to a resistor divider network.
6. NC: No connection (often used for mechanical stability).
7. EN: Enable pin to turn the regulator on or off. Applying a high signal enables the regulator.
8. NC: No connection (similar to pin 6).
The TPS73801 is designed for applications requiring low noise and low dropout voltage, making it ideal for powering sensitive circuits.