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LP2985IM5X-3.3

Name: LP2985IM5X-3.3
Rating: 4.7 (12 reviews)

IC REG LINEAR 3.3V 150MA SOT23-5

メーカー
Mfr。パート #LP2985IM5X-3.3
パッケージ SOT-23-5
データシート
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仕様

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Obsolete
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

概要

Description

The LP2985IM5X-3.3 is a low-dropout (LDO) linear voltage regulator manufactured by Texas Instruments. It is designed to provide a fixed output voltage of 3.3 volts with high accuracy, making it suitable for applications requiring precise voltage regulation. The device can deliver a maximum output current of 150 mA and features a low quiescent current, enhancing its efficiency for battery-powered applications.
Key features of the LP2985IM5X-3.3 include a low dropout voltage, typically around 280 mV at full load, and excellent line and load transient response, ensuring stable operation under varying input conditions. The regulator also includes built-in protections such as current limiting and thermal overload shutdown, which safeguard both the regulator and the powered device from damage.
The LP2985IM5X-3.3 is housed in a small SOT-23-5 package, making it suitable for space-constrained designs. Its wide input voltage range of 2.5V to 16V allows for flexibility in various electronic applications, including portable devices, microcontroller power supplies, and consumer electronics.

Features

The LP2985IM5X-3.3 is a low-dropout (LDO) voltage regulator designed to deliver a stable 3.3V output. Key features include:
1. Low Dropout Voltage: It exhibits a low dropout voltage of typically around 280 mV at a 150 mA load, facilitating efficient operation close to the input voltage.

2. Output Current: Capable of supplying up to 150 mA of output current, making it suitable for powering small peripherals and microcontrollers.
3. High Accuracy: Offers high output voltage accuracy, typically within ±1.5%, ensuring precise voltage regulation.
4. Low Quiescent Current: With a quiescent current of approximately 85 µA, it is energy-efficient, extending battery life in portable applications.
5. Thermal Protection: Equipped with internal thermal protection to prevent overheating during high-load conditions.
6. Internal Current Limiting: Includes overcurrent protection to safeguard against excessive load conditions.
7. Stable with Low ESR Capacitors: Compatible with low equivalent series resistance (ESR) capacitors, aiding in the reduction of output noise.
These features make the LP2985IM5X-3.3 an ideal choice for battery-powered devices and applications requiring efficient power management.

Package

The LP2985IM5X-3.3 is packaged in a SOT-23-5, which is a small outline transistor package with five pins. This package type is commonly used for surface-mount technology and is designed for compact and efficient use on printed circuit boards.

Pinout

The LP2985IM5X-3.3 is a low-dropout (LDO) voltage regulator that provides a fixed output voltage of 3.3V. It comes in a SOT-23-5 package, which has 5 pins. Here are the pin functions:
1. IN: The input voltage pin where the unregulated voltage is applied.
2. GND: Ground pin, connected to the ground of the circuit.
3. OUT: The output pin where the regulated 3.3V voltage is available.
4. SHDN: Shutdown pin used to enable or disable the regulator. When this pin is held low, the regulator is in shutdown mode; when high, the regulator is active.
5. BYPASS: A pin for connecting an external capacitor to improve noise performance. This optional capacitor can be connected to reduce output noise.
The LP2985IM5X-3.3 is designed for applications requiring a stable 3.3V output with a low dropout voltage, making it suitable for battery-powered devices and other applications requiring efficient power regulation.

Manufacturer

The LP2985IM5X-3.3 is manufactured by Texas Instruments. Texas Instruments is a global semiconductor company headquartered in Dallas, Texas. It designs and manufactures a wide range of semiconductor products, including analog and embedded processing chips. The company serves various industries, such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. Known for its innovation and extensive product portfolio, Texas Instruments plays a significant role in the electronics industry.

Application

The LP2985IM5X-3.3 is a low-dropout (LDO) linear voltage regulator commonly used in battery-powered devices, portable electronics, and wireless communication products. Its primary applications include powering microcontrollers, DSPs, and RF circuits due to its low noise and high precision output. It’s also suitable for use in instrumentation, medical devices, and any other applications requiring a reliable 3.3V power source with minimal input-to-output voltage differential.

Equivalent

The LP2985IM5X-3.3 is a low-dropout (LDO) voltage regulator. Equivalent products include:
1. Microchip MCP1703-3.3
2. On Semiconductor NCP1117-3.3
3. STMicroelectronics LD1117S33
4. Texas Instruments TLV1117-33
5. AMS1117-3.3
Ensure to check datasheets for exact specifications and pin compatibility before substituting.