NCP1117LPST33T3G

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NCP1117LPST33T3G

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IC REG LINEAR 3.3V 1A SOT223

  • HerstellerOnsemi

  • Herstellerteil #NCP1117LPST33T3G

  • Paket SOT-223-4

  • Auf Lager1715

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Spezifikationen

Attribut Wert
Package / Case Tape & Reel (TR),Cut Tape (CT),Bulk
Part Status Active
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 18V
Voltage - Output (Min/Fixed) 3.3V
Voltage Dropout (Max) 1.4V @ 1A
Current - Output 1A
Current - Quiescent (Iq) 700 µA
PSRR 60dB (120Hz)
Protection Features Over Current, Over Temperature
Operating Temperature 0°C ~ 125°C
Mounting Type Surface Mount

Übersicht

Description

The NCP1117LPST33T3G is a low dropout (LDO) linear voltage regulator from ON Semiconductor. It is designed to provide a stable 3.3V output from a higher input voltage with a maximum current output of 1A. This component is ideal for applications requiring efficient voltage regulation with minimal power loss. The "LP" in its name indicates its low power consumption, making it suitable for battery-operated devices. The NCP1117LPST33T3G features a dropout voltage of approximately 1.1V at full load, ensuring stable performance even with minimal input-output voltage differential.
Key features include low quiescent current, overcurrent protection, and thermal overload protection to enhance reliability. It typically comes in a SOT-223 package, which aids in efficient heat dissipation. This regulator is commonly used in various applications like microcontroller power supplies, consumer electronics, and communication devices. Its simplicity, combined with robust performance, makes it a popular choice for engineers seeking to ensure consistent power delivery in their circuits.

Equivalent

Equivalent products to the NCP1117LPST33T3G, which is a low-dropout voltage regulator, include:
1. LM1117-3.3 by Texas Instruments
2. LD1117V33 by STMicroelectronics
3. MIC39100-3.3 by Microchip Technology
4. AMS1117-3.3 by Advanced Monolithic Systems
These alternatives share similar specifications and can be used in applications requiring a 3.3V LDO regulator. Always verify the datasheets to ensure compatibility with your specific application.

Features

The NCP1117LPST33T3G is a low dropout (LDO) linear voltage regulator from ON Semiconductor. Key features include:
1. Output Voltage: Provides a fixed output voltage of 3.3V.
2. Dropout Voltage: Low dropout at approximately 1.2V at 1A.
3. Output Current: Capable of delivering up to 1A continuous output current.
4. Thermal Protection: Built-in thermal shutdown protection to prevent overheating.
5. Short-Circuit Protection: Includes current limiting for short-circuit protection.
6. Stability: Requires an external capacitor for stability; typically a ceramic or tantalum capacitor.
7. Package: Available in a SOT-223 package, offering a compact design suitable for space-constrained applications.
8. Efficiency: Optimized for low noise and high ripple rejection, enhancing performance in sensitive circuits.
9. Applications: Ideal for use in battery-powered devices, consumer electronics, communication equipment, and other areas requiring regulated power supply voltage.
These features make the NCP1117LPST33T3G suitable for various applications that demand stable and efficient voltage regulation.

Pinout

The NCP1117LPST33T3G is a low dropout (LDO) voltage regulator with a fixed output voltage. It comes in a SOT-223 package and has three pins.
1. Pin 1 (ADJ/GND): This is the Adjust or Ground pin. For fixed output versions like the NCP1117LPST33T3G, this pin is typically connected to ground. In adjustable versions, it is used to set the output voltage via an external resistor divider.
2. Pin 2 (VOUT): This is the output pin, which provides the regulated voltage. For the NCP1117LPST33T3G, the output voltage is fixed at 3.3V.
3. Pin 3 (VIN): This is the input pin, where the input voltage is applied. The input voltage must be higher than the desired output voltage to maintain regulation.
The NCP1117LPST33T3G is often used in applications requiring a stable 3.3V supply, with features like low dropout voltage and current limit protection.

Manufacturer

The NCP1117LPST33T3G is manufactured by ON Semiconductor. ON Semiconductor, now officially known as onsemi, is a leading global supplier of semiconductor-based solutions. The company focuses on energy-efficient innovations that empower customers to reduce global energy use. They design and manufacture a wide range of semiconductor components, including power and signal management devices, logic, discrete, and custom devices, for various industries such as automotive, industrial, cloud power, and IoT. onsemi is known for its commitment to sustainability and energy efficiency, providing solutions that facilitate smarter and safer electronic products.

Application

The NCP1117LPST33T3G is a low dropout linear voltage regulator commonly used in various applications. Its key application areas include powering microcontrollers, microprocessors, and digital circuits where a stable 3.3V supply is essential. It is also used in consumer electronics, communication equipment, and instrumentation systems. Additionally, it serves in battery-powered devices due to its low quiescent current, which helps in extending battery life. The NCP1117LPST33T3G is suitable for use in industrial automation systems, automotive electronics, and networking equipment, providing reliable voltage regulation in these environments.

Package

The NCP1117LPST33T3G is packaged in a SOT-223 format. This Surface-Mount Technology (SMT) package is commonly used for voltage regulators and provides a compact design suitable for efficient thermal management and ease of assembly on printed circuit boards.

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