LP3985IM5-3.3

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LP3985IM5-3.3

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LP3985 MICROPOWER, 150MA LOW-NOI

  • HerstellerNational Semiconductor

  • Herstellerteil #LP3985IM5-3.3

  • Paket SOT23-5

  • Auf Lager2804

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Übersicht

Description

The LP3985IM5-3.3 is a low-dropout (LDO) linear voltage regulator designed to provide a stable 3.3V output from a higher input voltage source. It is commonly used in applications requiring efficient power management for microcontrollers, sensors, and other digital circuits. The device is housed in a compact SOT-23-5 package, making it suitable for space-constrained designs.
Key features of the LP3985IM5-3.3 include:
- Low dropout voltage, which enhances efficiency by minimizing the difference between input and output voltages.
- Low quiescent current, helping to conserve power in battery-operated devices.
- High-accuracy output voltage regulation.
- Built-in protection mechanisms such as current limiting and thermal shutdown to enhance reliability and safety.
The LP3985IM5-3.3 is ideal for portable devices due to its small form factor and efficient power regulation capabilities. Its ability to maintain a consistent output voltage under varying load conditions makes it a popular choice in various electronics projects and applications.

Equivalent

The LP3985IM5-3.3 is a low-dropout voltage regulator from Texas Instruments. Equivalent products may include:
1. Microchip MCP1700-3302E/TO: 3.3V output LDO with similar features.
2. ON Semiconductor NCP1117ST33T3G: Another 3.3V LDO with comparable specifications.
3. Analog Devices ADP3333: Offers low dropout voltage and similar output.
4. STMicroelectronics LD1117V33: 3.3V LDO with matching characteristics.
Ensure the electrical and thermal specifications align with your application needs before choosing a substitute.

Features

The LP3985IM5-3.3 is a low-dropout (LDO) linear voltage regulator designed to provide a constant 3.3V output. Key features include:
1. Low Dropout Voltage: Offers a dropout voltage typically around 280mV at full load, enhancing efficiency in battery-powered applications.
2. Output Current: Can deliver a maximum output current of up to 150mA, suitable for powering various electronic components and circuits.
3. Low Quiescent Current: Consumes minimal quiescent current, typically in the range of tens of microamperes, optimizing battery life.
4. Stability: Capable of stable operation with low Equivalent Series Resistance (ESR) ceramic capacitors, which are commonly used in compact electronic devices.
5. Thermal and Overload Protection: Includes built-in protection features to prevent damage from overheating and excessive current draw.
6. Small Package: Available in a compact SOT-23-5 package, making it ideal for space-constrained designs.
These features make the LP3985IM5-3.3 suitable for applications in portable electronics, wireless devices, and other battery-operated gadgets.

Pinout

The LP3985IM5-3.3 is a low-dropout (LDO) voltage regulator from Texas Instruments designed to provide a fixed output voltage of 3.3V. It comes in a SOT-23-5 package, which has a pin count of 5. The functions of these pins are typically as follows:
1. VOUT (Output): This pin provides the regulated output voltage.
2. GND (Ground): This is the ground pin for the device, serving as a reference point for the LDO.
3. VIN (Input): The unregulated input voltage is applied to this pin.
4. EN (Enable): This pin is used to enable or disable the LDO. A high voltage level on this pin typically enables the regulator, while a low level disables it.
5. NC (No Connection) or Bypass: Sometimes this pin is used for additional functions like noise bypass through an external capacitor, but it may also be marked as no connection depending on the specific configuration.
Please refer to the specific datasheet for precise pin configuration and functionality, as this can vary slightly depending on the manufacturer's specifications.

Manufacturer

The LP3985IM5-3.3 is manufactured by Texas Instruments. Texas Instruments, commonly referred to as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. They focus on developing analog chips and embedded processors, which are essential components in a wide range of electronic devices. TI serves industries such as automotive, industrial, personal electronics, communications, and enterprise systems. They are renowned for their innovation and contributions to the electronics industry, providing components that enhance the functionality and efficiency of electronic products worldwide.

Application

The LP3985IM5-3.3 is a low-dropout (LDO) voltage regulator designed for applications requiring a stable and efficient power supply. Its application areas include:
1. Portable Devices: Used in smartphones, tablets, and other battery-powered devices for efficient power regulation.
2. Wearable Electronics: Ideal for smartwatches and fitness trackers due to its low power consumption.
3. IoT Devices: Supports Internet of Things applications by providing reliable power management.
4. Wireless Communication Equipment: Ensures stable voltage for modules like Bluetooth and Wi-Fi.
5. Battery-Powered Equipment: Used in cameras and handheld devices for efficient battery usage.
These applications benefit from its low noise, low quiescent current, and high power supply rejection ratio (PSRR).

Package

The LP3985IM5-3.3 is housed in a SOT-23-5 package. This package type is a small outline transistor with five terminals, commonly used for surface mounting in electronic circuits, providing a compact and efficient design for low-dropout voltage regulators.

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