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LT1963AEST-2.5#PBF
+Lista de MateriaisIC REG LINEAR 2.5V 1.5A SOT223-3
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FabricanteAnalog Devices Inc.
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Peça do Fabricante #LT1963AEST-2.5#PBF
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Ficha Técnica LT1963AEST-2.5#PBF DataSheet
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Pacote SOT-223
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Especificações
| Atributo | Valor |
| Package | Tube |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 20V |
| Voltage-Output(Min/Fixed) | 2.5V |
| VoltageDropout(Max) | 0.55V @ 1.5A |
| Current-Output | 1.5A |
| Current-Quiescent(Iq) | 1.5 mA |
| Current-Supply(Max) | 120 mA |
| PSRR | 63dB (120Hz) |
| ControlFeatures | Enable |
| ProtectionFeatures | Over Current, Over Temperature, Reverse Polarity |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | TO-261-4, TO-261AA |
Visão Geral
Description
Key features include a fast transient response, low noise operation, and precise output voltage regulation, characteristics that make it suitable for powering sensitive electronic components like microcontrollers and communication systems. The LT1963AEST-2.5#PBF also includes protections such as current limiting and thermal shutdown to safeguard against overload conditions.
Packaged in a thermally enhanced SOIC-8, it offers ease of use and effective heat dissipation. It is often used in applications that require stable voltage under varying load conditions, such as in portable devices, industrial equipment, and telecommunications infrastructure. The "#PBF" suffix indicates that the device is lead-free and RoHS compliant.
Equivalent
1. LM1117-2.5 from Texas Instruments
2. MIC29302-2.5WT from Microchip Technology
3. NCP1117DT25 from ON Semiconductor
These alternatives have similar output voltage ratings and performance characteristics. However, always check specific parameters and pin configurations to ensure compatibility with your application.
Features
1. Output Voltage: Fixed at 2.5V.
2. Current Capability: Can deliver up to 1.5A output current.
3. Dropout Voltage: Low dropout voltage of 340mV at full load, enhancing efficiency.
4. Stability: Stable with ceramic capacitors as small as 10µF.
5. Fast Transient Response: Quickly responds to changes in load current.
6. Low Noise: Produces low output noise of approximately 40µVRMS.
7. Protection: Offers protection features like overcurrent and thermal shutdown.
8. Quiescent Current: Low quiescent current which is beneficial for battery-powered applications.
9. Operating Temperature Range: Typically from -40°C to 125°C, suitable for various environments.
10. Package: Available in a small SOT-223 package, making it suitable for space-constrained applications.
These features make the LT1963AEST-2.5#PBF an efficient choice for applications requiring a stable 2.5V power supply with low dropout and noise performance.
Pinout
1. Input (Pin 1): This is the input pin for the regulator. A capacitor may be needed for stability when connecting this pin to the power source.
2. Ground (Pin 2): The ground pin, which is the common return path of the circuit. It should be connected to the system ground.
3. Output (Pin 3): This is the output pin where the regulated voltage is provided. It usually requires an output capacitor for stability.
4. Adjust (Pin 4): This pin is used to set the output voltage, but for the fixed 2.5V version, it is internally connected and typically not used for adjustment.
5. Tab (Pin 5): The tab is internally connected to the ground, which can be used for heat dissipation.
The LT1963AEST-2.5#PBF is specifically configured to provide a fixed 2.5V output with high efficiency and low dropout voltage.