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LP3987H-33B5F
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FabricanteLOWPOWER
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Peça do Fabricante #LP3987H-33B5F
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Ficha Técnica LP3987H-33B5F DataSheet
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Especificações
| Atributo | Valor |
| Manufacturer | LOWPOWER |
| Package | SOT-23-5 |
| Operating Temperature | -40℃~+125℃@(Tj) |
| Voltage - Supply | 6V |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Output Current | 600mA |
| Power Supply Rejection Ratio (PSRR) | -65dB@(1kHz) |
| Features | Overcurrent Protection |
| Output Voltage | 3.3V |
| Output Configuration | Positive electrode |
Visão Geral
Description
Key features of the LP3987H-33B5F include its excellent transient response, low output noise, and high power supply rejection ratio (PSRR), which contribute to the reliable operation of sensitive circuits. The regulator is also equipped with thermal and short-circuit protection mechanisms to enhance its robustness and reliability.
Its compact package size, usually in a SOT (Small Outline Transistor) or similar form factor, allows for easy integration into space-constrained circuit boards. This makes the LP3987H-33B5F ideal for use in a wide range of applications, including mobile phones, digital cameras, and other portable electronic devices.
Equivalent
1. MIC5205-3.3BM5 by Microchip Technology
2. TLV1117-33CDCY by Texas Instruments
3. AMS1117-3.3 by Advanced Monolithic Systems.
These alternatives provide similar output voltages and current ratings, but it's important to review each datasheet for exact compatibility with your application needs.
Features
1. Output Voltage: Fixed at 3.3V.
2. Input Voltage Range: Typically supports a range that extends above the specified output voltage, making it versatile for various input sources.
3. Low Dropout Voltage: The LDO architecture ensures minimal voltage drop across the regulator, improving efficiency.
4. Output Current: Capable of delivering a specific output current suitable for powering small to medium load applications.
5. Low Quiescent Current: Designed to consume minimal current during operation, enhancing battery life in portable devices.
6. Thermal Protection: Integrated thermal shutdown to prevent overheating under excessive load or high ambient temperatures.
7. Short-Circuit Protection: Guards against overcurrent conditions, protecting both the regulator and the load.
8. Stability: Typically requires minimal external components for stability, often just a couple of capacitors.
9. Package Options: Available in compact, surface-mount packages suitable for space-constrained applications.
These features make the LP3987H-33B5F suitable for powering digital, analog, and RF circuits.
Pinout
1. Input Voltage (Vin): Connects to the input voltage source.
2. Ground (GND): Reference point for the circuit and ground connection.
3. Output Voltage (Vout): Provides the regulated 3.3V output.
4. Enable (EN): Used to enable or disable the regulator (active high).
5. Bypass (BP) or Feedback (FB): Used for noise reduction or feedback control, depending on the package variant.
These pins and features make the LP3987H-33B5F suitable for applications in battery-powered devices, offering high efficiency and performance in a compact form factor. Always refer to the datasheet for precise details and pin assignments.