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LT1963AEST-3.3
+NomenclatureLDO Voltage Regulators LT1963A Series - 1.5A, Low Noise, Fast Transient Response LDO Regulators
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FabricantÉquipement de simulation
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Pièce fabricant #LT1963AEST-3.3
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Fiche technique LT1963AEST-3.3 DataSheet
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En stock5428
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Spécifications
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Présentation
Description
Key features include a low dropout voltage of approximately 340mV at full load, which minimizes power loss and improves efficiency. It also offers excellent transient response, low noise, and a high power supply rejection ratio (PSRR), which ensures stable performance even with variable input conditions. The device has built-in protection features like thermal shutdown and current limiting, enhancing reliability and safety.
The LT1963AEST-3.3 is commonly used in applications like microprocessor power supplies, industrial electronics, and telecommunications equipment. Its compact TSOT-23 package makes it ideal for space-constrained designs. Overall, it is a versatile and dependable choice for maintaining a consistent 3.3V output in electronic circuits.
Equivalent
1. Texas Instruments TPS75833: A low-dropout regulator with similar features.
2. ON Semiconductor NCP1117-3.3: Offers similar output voltage and current.
3. Microchip Technology MCP1825S-3302E: A comparable LDO regulator.
4. STMicroelectronics LD1117S33: Another alternative with similar specifications.
It's important to verify the specific requirements like dropout voltage, output current, and package compatibility before choosing a substitute.
Features
1. Output Voltage: 3.3V fixed output.
2. Input Voltage Range: Operates with input voltages up to 20V.
3. Dropout Voltage: Typically 340mV at 1.5A load, making it suitable for low dropout applications.
4. Output Current: Capable of delivering up to 1.5A of continuous output current.
5. Low Noise: Designed to produce low output noise.
6. Fast Transient Response: Quick response to changes in load current.
7. Stability: Stable with ceramic capacitors.
8. Protection Features: Includes current limiting and thermal shutdown for enhanced reliability.
9. Package: Available in a thermally enhanced 5-lead SOT-223 package.
These features make the LT1963AEST-3.3 suitable for applications requiring a stable 3.3V supply with high current output and low dropout, such as in microcontrollers and high-performance digital circuits.
Pinout
1. VIN: Input voltage pin where the input supply is connected.
2. GND: Ground pin, connected to the system ground.
3. VOUT: Output voltage pin, provides the regulated 3.3V output.
4. ADJ: Adjust pin for setting the output voltage; for fixed-output versions like LT1963AEST-3.3, this pin is not used for adjustment.
5. NC: No connection or not connected pin, typically not used.
This device provides a fixed output voltage of 3.3V and is used in applications requiring a stable voltage supply with low dropout characteristics, making it suitable for powering digital circuits and microcontrollers.
Manufacturer
Application
1. Consumer Electronics: Power regulation for devices like smartphones, tablets, and handheld gaming consoles.
2. Telecommunications: Stable power supply for networking equipment and wireless communication devices.
3. Industrial Equipment: Powering sensors, control systems, and automation equipment.
4. Medical Devices: Ensuring reliable power for diagnostic equipment and portable medical devices.
5. Computer Systems: Regulating power for CPUs, GPUs, and peripheral components.
6. Automotive Electronics: Providing stable voltage for infotainment systems, sensors, and control modules.
Its low dropout voltage and high efficiency make it suitable for battery-powered and energy-sensitive applications.