LP2985IM5-3.3

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LP2985IM5-3.3

IC REG LINEAR 3.3V 150MA SOT23-5

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Спецификации

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Not For New Designs
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 16V
Voltage-Output(Min/Fixed) 3.3V
VoltageDropout(Max) 0.58V @ 150mA
Current-Output 150mA
Current-Quiescent(Iq) 95 µA
Current-Supply(Max) 2.5 mA
PSRR 45dB (1kHz)
ControlFeatures Enable
ProtectionFeatures Over Current, Over Temperature, Short Circuit
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case SC-74A, SOT-753

Обзор

Description

The LP2985IM5-3.3 is a low-dropout (LDO) linear voltage regulator designed to provide a stable 3.3V output from a higher input voltage. Manufactured by Texas Instruments, this device is part of the LP2985 series, known for their low quiescent current and high precision. It is housed in a compact SOT-23-5 package, making it suitable for space-constrained applications.
Key features of the LP2985IM5-3.3 include a dropout voltage as low as 280mV at full load, which enhances efficiency when the input voltage is close to the output. It's capable of delivering up to 150mA of output current, making it ideal for powering low-power digital and analog devices. The regulator also offers excellent line and load regulation, ensuring consistent performance across a range of operating conditions.
Additionally, the LP2985IM5-3.3 includes several protective features, such as thermal shutdown and current limiting, which safeguard against over-temperature and over-current conditions. Its low noise and high power supply rejection ratio (PSRR) make it suitable for sensitive applications like RF modules and precision analog circuits.

Features

The LP2985IM5-3.3 is a low-dropout (LDO) linear voltage regulator with the following key features:
1. Output Voltage: It provides a fixed output voltage of 3.3V.
2. Low Dropout Voltage: Typically around 280 mV at full load, allowing it to operate efficiently even when the input voltage is close to the output voltage.
3. Output Current: Capable of delivering up to 150 mA of output current.
4. Precision Output: Features a tight output voltage tolerance, ensuring precise regulation.
5. Low Quiescent Current: Exhibits very low quiescent current (around 30 µA), making it suitable for battery-powered applications.
6. Stable with Low-ESR Capacitors: Designed to be stable with low equivalent series resistance (ESR) output capacitors, enhancing performance in various applications.
7. Protection Features: Includes thermal shutdown and current limiting to protect against overload conditions.
8. Package Options: Available in a small SOT-23-5 package, which is space-efficient for compact designs.
9. Noise Performance: Low output noise typically around 30 µV RMS, suitable for noise-sensitive applications.
These features make the LP2985IM5-3.3 ideal for portable and battery-powered devices, as well as other applications requiring efficient voltage regulation with low noise and precise output.

Package

The LP2985IM5-3.3 is a voltage regulator from Texas Instruments and comes in a SOT-23-5 package. This package type is a small outline transistor configuration with five leads, commonly used for surface-mount technology applications.

Pinout

The LP2985IM5-3.3 is a low-dropout (LDO) voltage regulator with a fixed output voltage of 3.3V. It is housed in a 5-pin SOT-23 package. The pin functions are as follows:
1. VOUT (Pin 1): Output voltage pin where the regulated 3.3V is available.
2. GND (Pin 2): Ground pin, used as a reference for input and output voltages.
3. SHUTDOWN (Pin 3): A control pin used to enable or disable the regulator. When connected to ground, the regulator is disabled, and when connected to a voltage higher than approximately 2V, the regulator is enabled.
4. VIN (Pin 4): Input voltage pin where the unregulated input voltage is supplied, typically requiring a minimum of around 4V for proper regulation.
5. NC (Pin 5): No Connect pin; generally not connected to any circuitry.
The LP2985IM5-3.3 is commonly used in battery-powered applications due to its low dropout voltage, low quiescent current, and the ability to provide a stable output voltage with minimal external components.

Manufacturer

The LP2985IM5-3.3 is a low-dropout voltage regulator manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company headquartered in Dallas, Texas. TI is one of the largest semiconductor companies in the world, known for designing and manufacturing a wide range of analog and embedded processing chips. The company serves diverse markets, including automotive, industrial, personal electronics, communications, and enterprise systems. TI is recognized for its innovation in electronics, with a focus on developing components that improve power efficiency and performance across various applications.

Application

The LP2985IM5-3.3 is a low-dropout (LDO) linear voltage regulator with a fixed output voltage of 3.3V. Its application areas include powering microcontrollers, FPGAs, and digital signal processors (DSPs) in portable and battery-operated devices. It's also used in wireless communication devices, sensors, and other electronic systems that require stable voltage with low noise. Its small size makes it ideal for space-constrained applications such as smartphones, tablets, and other compact electronic gadgets.

Equivalent

The LP2985IM5-3.3 is a low-dropout (LDO) voltage regulator that outputs 3.3V. Equivalent products include:
1. MIC5205-3.3 from Microchip Technology
2. MCP1700-3302 from Microchip Technology
3. TLV1117-33 from Texas Instruments
4. NCP1117-3.3 from ON Semiconductor
5. AMS1117-3.3 from Advanced Monolithic Systems
Ensure compatibility with parameters like output current, dropout voltage, and package type when selecting an equivalent.

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