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LT1963AEST-3.3#PBF
+Lista de MateriaisIC REG LIN 3.3V 1.5A SOT-223-3
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FabricanteAnalog Devices Inc.
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Peça do Fabricante #LT1963AEST-3.3#PBF
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Ficha Técnica LT1963AEST-3.3#PBF DataSheet
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Especificações
| Atributo | Valor |
| PartStatus | Active |
| BaseProductNumber | LT1963 |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 20V |
| Voltage-Output(Min/Fixed) | 3.3V |
| 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 | TO-261-4, TO-261AA |
| SupplierDevicePackage | SOT-223-3 |
| Packaging | Tube |
Visão Geral
Description
The LT1963AEST-3.3#PBF is a low dropout (LDO) linear voltage regulator manufactured by Analog Devices, previously by Linear Technology. It is designed to provide a stable 3.3V output voltage with a high accuracy, making it suitable for powering sensitive electronics. The "EST" package indicates it comes in a surface-mount, thermally enhanced package, which is ideal for applications that require efficient heat dissipation. Its dropout voltage is typically around 340mV at full load, allowing it to maintain output regulation even with a relatively small difference between input and output voltage.
The "#PBF" suffix indicates that this part is lead-free or "Pb-free," complying with RoHS standards for environmental safety. The LT1963A also features a fast transient response, low noise output, and protection features such as current limiting and thermal shutdown. It is commonly used in applications requiring low noise and high precision, such as telecommunications, data acquisition systems, and industrial equipment.
The "#PBF" suffix indicates that this part is lead-free or "Pb-free," complying with RoHS standards for environmental safety. The LT1963A also features a fast transient response, low noise output, and protection features such as current limiting and thermal shutdown. It is commonly used in applications requiring low noise and high precision, such as telecommunications, data acquisition systems, and industrial equipment.
Equivalent
The LT1963AEST-3.3#PBF is a low dropout (LDO) linear regulator. Equivalent products include:
1. MIC39100-3.3WS - From Microchip Technology
2. ADP3338-3.3 - From Analog Devices
3. LM2940S-3.3 - From Texas Instruments (formerly National Semiconductor)
4. NCP1117ST33T3G - From ON Semiconductor
Always verify specifications and pin compatibility in the datasheets before substituting to ensure they meet your design requirements.
1. MIC39100-3.3WS - From Microchip Technology
2. ADP3338-3.3 - From Analog Devices
3. LM2940S-3.3 - From Texas Instruments (formerly National Semiconductor)
4. NCP1117ST33T3G - From ON Semiconductor
Always verify specifications and pin compatibility in the datasheets before substituting to ensure they meet your design requirements.
Features
The LT1963AEST-3.3#PBF is a low dropout (LDO) linear voltage regulator. Key features include:
1. Output Voltage: Fixed output voltage of 3.3V.
2. Dropout Voltage: Low dropout voltage, typically around 340mV at full load, allowing for efficient voltage regulation even with a small difference between input and output voltages.
3. Output Current: Can deliver up to 1.5A of output current, suitable for powering various electronic devices.
4. Stability: Stable with ceramic capacitors, which enhances performance and reliability.
5. Protection Features: Includes current limiting and thermal shutdown to protect against overcurrent and overheating conditions.
6. Low Noise: Designed for low output noise, making it suitable for sensitive applications.
7. Ripple Rejection: High power supply rejection ratio (PSRR), which helps in filtering out input voltage fluctuations.
8. Package: Available in a thermally enhanced SOT-223 package, offering good heat dissipation characteristics.
These features make the LT1963AEST-3.3#PBF ideal for applications requiring efficient, stable, and reliable voltage regulation with low noise and high current capability.
1. Output Voltage: Fixed output voltage of 3.3V.
2. Dropout Voltage: Low dropout voltage, typically around 340mV at full load, allowing for efficient voltage regulation even with a small difference between input and output voltages.
3. Output Current: Can deliver up to 1.5A of output current, suitable for powering various electronic devices.
4. Stability: Stable with ceramic capacitors, which enhances performance and reliability.
5. Protection Features: Includes current limiting and thermal shutdown to protect against overcurrent and overheating conditions.
6. Low Noise: Designed for low output noise, making it suitable for sensitive applications.
7. Ripple Rejection: High power supply rejection ratio (PSRR), which helps in filtering out input voltage fluctuations.
8. Package: Available in a thermally enhanced SOT-223 package, offering good heat dissipation characteristics.
These features make the LT1963AEST-3.3#PBF ideal for applications requiring efficient, stable, and reliable voltage regulation with low noise and high current capability.
Pinout
The LT1963AEST-3.3#PBF is a low dropout (LDO) linear regulator from Analog Devices. It is designed to provide a fixed output voltage of 3.3V. The package for the LT1963AEST-3.3#PBF is a 5-lead SOT-223.
The pin configuration and functions are as follows:
1. GND (Pin 1): Ground connection.
2. VIN (Pin 2): Input voltage supply.
3. VOUT (Pin 3): Regulated output voltage (3.3V).
4. ADJ/NC (Pin 4): Adjust/No Connection for fixed output versions.
5. SHDN (Pin 5): Shutdown pin, used to enable or disable the regulator output.
The LT1963A provides high accuracy and low dropout voltage, suitable for applications requiring stable 3.3V output.
The pin configuration and functions are as follows:
1. GND (Pin 1): Ground connection.
2. VIN (Pin 2): Input voltage supply.
3. VOUT (Pin 3): Regulated output voltage (3.3V).
4. ADJ/NC (Pin 4): Adjust/No Connection for fixed output versions.
5. SHDN (Pin 5): Shutdown pin, used to enable or disable the regulator output.
The LT1963A provides high accuracy and low dropout voltage, suitable for applications requiring stable 3.3V output.
Manufacturer
The LT1963AEST-3.3#PBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational company specializing in the design and manufacturing of semiconductor products and solutions. It is well-known for producing a wide range of analog, mixed-signal, and digital signal processing integrated circuits used in various electronic equipment. The company serves numerous sectors, including industrial, automotive, consumer electronics, communications, and healthcare. Through its innovative technologies, Analog Devices aims to solve complex engineering challenges and enhance the performance and efficiency of electronic devices globally.
Application
The LT1963AEST-3.3#PBF is a low-dropout linear regulator designed for applications requiring low noise and fast transient response. Key application areas include powering sensitive electronic devices like microcontrollers, FPGAs, and DSPs, where stable 3.3V output is critical. It's suitable for telecommunications equipment, networking devices, and automotive systems where efficient power regulation is needed from a higher input voltage. Additionally, it is used in battery-powered devices to maintain voltage stability despite battery discharge. Its high accuracy and low noise make it ideal for analog and mixed-signal systems.
Package
The LT1963AEST-3.3#PBF is a low dropout (LDO) linear voltage regulator with a fixed output voltage of 3.3V. It is housed in a SOT-223 package, which is a surface-mount package commonly used for power devices.
