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LP2989AIMX-1.8/NOPB

Name: LP2989AIMX-1.8/NOPB
Rating: 4.7 (12 reviews)

IC REG LINEAR 1.8V 500MA 8-SOIC

제조업체Texas Instruments
Mfr.부분 #LP2989AIMX-1.8/NOPB
패키지
데이터시트 LP2989AIMX-1.8/NOPB DataSheet
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사양

Part Status	Active
Output Configuration	Positive
Output Type	Fixed
Number of Regulators	1
Voltage - Input (Max)	16V
Voltage - Output (Min/Fixed)	1.8V
Voltage Dropout (Max)	0.65V @ 500mA
Current - Output	500mA
Current - Quiescent (Iq)	175 µA
Current - Supply (Max)	9 mA
PSRR	60dB (1kHz)
Control Features	Enable
Protection Features	Over Current, Over Temperature, Short Circuit
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SOIC
Base Product Number	LP2989

개요

Description

The LP2989AIMX-1.8/NOPB is a low-dropout (LDO) linear voltage regulator designed to deliver a stable output voltage of 1.8V. It features a maximum output current of 1A, making it suitable for powering various low-power applications such as microcontrollers, sensors, and communication devices. The device operates with a low dropout voltage, typically around 300 mV at 1A, allowing it to maintain regulation even when the input voltage is close to the output voltage.
Key features include low quiescent current, enabling efficient operation in battery-powered devices, and built-in thermal and current limit protection for enhanced reliability. The LP2989AIMX-1.8/NOPB is also available in a compact 5-pin SOT-23 package, facilitating integration into space-constrained designs. Additionally, it is manufactured with lead-free materials, complying with ROHS standards, making it suitable for environmentally friendly applications.

Features

The LP2989AIMX-1.8/NOPB is a low-dropout (LDO) voltage regulator designed for various applications requiring a stable output voltage. Key features include:
1. Output Voltage: Fixed output of 1.8V.
2. Low Dropout Voltage: Allows operation with minimal input-output voltage differential, typically around 300mV at 150mA load.
3. High Output Current: Capable of delivering up to 150mA of output current.
4. Low Quiescent Current: Efficient operation with low power consumption, making it suitable for battery-powered devices.
5. Stability: Compatible with a wide range of output capacitors, including ceramic, ensuring stable operation across different load conditions.
6. Thermal Protection: Includes built-in thermal shutdown and current limit features to protect against overheating and excessive current draw.
7. Small Package: Available in a small surface-mount package, making it ideal for space-constrained applications.
Overall, the LP2989AIMX-1.8/NOPB is suitable for portable devices, microcontrollers, and other applications requiring a reliable and efficient voltage regulation.

Package

The LP2989AIMX-1.8/NOPB is packaged in a VSSOP (Very Thin Shrink Small Outline Package) with 8 pins. This package type is known for its compact size and is suitable for space-constrained applications.

Pinout

The LP2989AIMX-1.8/NOPB is a low-dropout (LDO) voltage regulator with a pin count of 5. The functions of its pins are as follows:
1. Pin 1 (IN): Input voltage pin where the supply voltage is applied.
2. Pin 2 (GND): Ground pin for circuit reference.
3. Pin 3 (OUT): Output voltage pin that provides the regulated voltage (1.8V).
4. Pin 4 (SHDN): Shutdown pin; pulling this pin low disables the output, reducing power consumption.
5. Pin 5 (VFB): Feedback pin used to set the output voltage in adjustable versions (not applicable for fixed 1.8V version).
This device is designed to provide stable output voltage with low dropout and is suitable for various applications, including powering digital circuits.

Manufacturer

The LP2989AIMX-1.8/NOPB is manufactured by Texas Instruments (TI), a leading American technology company. Founded in 1930, Texas Instruments designs and manufactures semiconductors and various integrated circuits, which are essential components in a wide range of electronic devices. The company is known for its innovations in analog and digital signal processing, microcontrollers, and embedded processing technologies. TI serves multiple sectors, including automotive, industrial, communications, and consumer electronics, making it a significant player in the global semiconductor industry.

Application

The LP2989AIMX-1.8/NOPB is a low-dropout (LDO) voltage regulator primarily used in applications requiring stable output voltages, such as portable devices, mobile phones, laptops, and microcontrollers. It is suitable for powering RF applications, battery-powered devices, and any project needing efficient voltage regulation with low noise and high transient response. Additionally, it can be utilized in consumer electronics and automotive systems where space and power efficiency are critical.

Equivalent

The LP2989AIMX-1.8/NOPB is a low-dropout voltage regulator (LDO) with a fixed output voltage of 1.8V. Equivalent products include the MIC5205-1.8YM5, MCP1700-1802E, and TPS7A47DBVR. It's important to verify the specifications like output current, dropout voltage, and thermal characteristics for compatibility with your application before substitution.