LP2992AIM5-1.5

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LP2992AIM5-1.5

IC REG LINEAR 1.5V 250MA SOT23-5

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規格

Part Status Obsolete
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 16V
Voltage - Output (Min/Fixed) 1.5V
Voltage Dropout (Max) 0.85V @ 250mA
Current - Output 250mA
Current - Quiescent (Iq) 95 µA
Current - Supply (Max) 4 mA
PSRR 45dB (1kHz)
Control Features Enable
Protection Features Over Current, Over Temperature, Short Circuit
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case SC-74A, SOT-753
Supplier Device Package SOT-23-5
Base Product Number LP2992

概述

Description

The LP2992AIM5-1.5 is a low dropout (LDO) linear voltage regulator designed by Texas Instruments. It offers a fixed output voltage of 1.5V and is capable of delivering up to 250 mA of output current. This device is known for its high precision and low quiescent current, making it ideal for battery-powered applications.
Key features include a very low dropout voltage (typically around 120 mV at full load), excellent line and load transient response, and a high power supply rejection ratio (PSRR). The LP2992AIM5-1.5 also includes various protection mechanisms, such as overcurrent and thermal shutdown, to enhance reliability.
Housed in a compact SOT-23-5 package, it is well-suited for applications with space constraints. Typical applications include portable devices, handheld electronics, and any systems requiring efficient power management. The LDO's design ensures minimal voltage loss from input to output, providing stable output even with a low input voltage differential, which is crucial for maximizing battery life in portable devices.

Features

The LP2992AIM5-1.5 is a low-dropout (LDO) linear voltage regulator designed to provide a stable 1.5V output from higher voltage input sources. Key features include:
1. Low Dropout Voltage: Typically, it has a dropout voltage of around 200 mV at 50 mA load, making it efficient for battery-powered applications.

2. Low Quiescent Current: It draws a quiescent current of just 30 µA, which helps maximize battery life.
3. Output Capacitor: It is stable with a small 1 µF ceramic capacitor, reducing the overall solution size.
4. High Accuracy: Offers an output voltage accuracy of ±1%, ensuring reliable performance.
5. Current Limiting: Provides built-in current limiting for enhanced safety and protection.
6. Thermal Shutdown: Includes thermal protection to prevent damage due to overheating.
7. Reverse Battery Protection: Protects the device when the battery is inserted backward.
8. Small Package: Available in a compact SOT-23-5 package, suitable for space-constrained applications.
These features make the LP2992AIM5-1.5 ideal for portable electronics, sensors, and other low-power applications requiring high efficiency and compact design.

Package

The LP2992AIM5-1.5 is packaged in a SOT-23-5 package. This format is a small outline transistor package with five pins, commonly used for compact and surface-mounted devices.

Pinout

The LP2992AIM5-1.5 is a low-dropout linear voltage regulator. It comes in a 5-pin SOT-23 package. The key functions of its pins are as follows:
1. VIN (Pin 1): This is the input voltage pin where the unregulated input voltage is supplied.
2. GND (Pin 2): The ground pin for the device, which is connected to the system ground.
3. SHDN (Pin 3): The shutdown pin that enables or disables the regulator. When connected to a high logic level, the regulator operates normally, and when connected to a low logic level, the regulator is in a low-power shutdown mode.
4. BYPASS (Pin 4): This pin is used to connect an external capacitor to improve the output noise performance of the regulator.
5. VOUT (Pin 5): The output pin where the regulated output voltage of 1.5V is provided.
The LP2992AIM5-1.5 is designed for applications requiring a fixed output voltage with a low dropout, stable operation, and low noise.

Manufacturer

The LP2992AIM5-1.5 is manufactured by Texas Instruments. Texas Instruments (TI) is a technology company that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. TI is known for producing a wide range of products including analog electronics, digital signal processors, and microcontrollers. The company is a major player in the semiconductor industry, focusing on innovation and technology to support industries such as automotive, industrial, personal electronics, communications, and enterprise systems.

Application

The LP2992AIM5-1.5 is a low-dropout (LDO) linear voltage regulator. Its application areas include powering microcontrollers, sensors, and low-power RF modules, especially in battery-operated devices. It's suitable for use in portable electronics, wearables, wireless communication devices, and other applications requiring efficient power management with minimal noise. Its low quiescent current makes it ideal for extending battery life in energy-sensitive applications.

Equivalent

The LP2992AIM5-1.5 is a low-dropout (LDO) linear voltage regulator with a fixed 1.5V output. Equivalent products include:
1. Microchip MCP1700T-1502E/TT - A low dropout regulator with a 1.5V output.
2. ON Semiconductor NCP551SN15T1G - Another LDO offering a 1.5V fixed output.
3. Rohm BA50DD0T - Also provides a similar voltage regulation with low dropout.
Ensure you check the specifications for package, current output, and other parameters when considering equivalents.

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