LP2992AIM5-3.3

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LP2992AIM5-3.3

IC REG LINEAR 3.3V 250MA SOT23-5

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Thông số kỹ thuật

Part Status Obsolete
Base Product Number LP2992
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 16V
Voltage - Output (Min/Fixed) 3.3V
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 SC-74A, SOT-753
Supplier Device Package SOT-23-5
Packaging Tape & Reel (TR)

Tổng quan

Description

The LP2992AIM5-3.3 is a low-dropout (LDO) linear voltage regulator from Texas Instruments. It is designed to provide a stable 3.3V output with a maximum output current of 250 mA. The device is optimized for low input-to-output voltage differentials, making it efficient for battery-powered and low-voltage applications. It features a dropout voltage of typically 120 mV at a 50 mA load, allowing it to maintain regulation even with minimal differences between input and output voltages.
The LP2992AIM5-3.3 is housed in a small SOT-23-5 package, ideal for space-constrained designs. Key features include low quiescent current (typically 30 µA) and low noise performance, which is beneficial for noise-sensitive applications. It also offers thermal-overload and overcurrent protection to safeguard against operational faults. The device is suitable for applications like portable electronics, wireless communication devices, and other systems requiring efficient power management.

Features

The LP2992AIM5-3.3 is a low-dropout (LDO) linear voltage regulator designed to provide a stable 3.3V output. Key features include:
1. Low Dropout Voltage: It offers a very low dropout voltage, which allows it to maintain the output voltage with minimal input voltage overhead.

2. High Accuracy: The regulator provides precise output voltage regulation, typically with an accuracy of ±1%.
3. Low Quiescent Current: It consumes low quiescent current, making it energy efficient and suitable for battery-powered applications.
4. Small Form Factor: Available in a small SOT-23-5 package, it is ideal for space-constrained applications.
5. Thermal Overload Protection: Includes a thermal shutdown feature to protect the device from overheating.
6. Current Limiting: Integrated current limiting to protect against overcurrent conditions.
7. Wide Input Voltage Range: Supports a wide input voltage range, enhancing its versatility.
8. Stable with Low ESR Capacitors: Works with low ESR capacitors, ensuring stability and performance.
These features make the LP2992AIM5-3.3 suitable for various applications, including portable electronics, microprocessor power supplies, and any system requiring efficient voltage regulation.

Package

The LP2992AIM5-3.3 is a low-dropout (LDO) voltage regulator from Texas Instruments, typically available in a SOT-23-5 package. This package is compact, suitable for space-constrained applications, and features five pins.

Pinout

The LP2992AIM5-3.3 is a low-dropout linear voltage regulator with a fixed output voltage of 3.3V. It is packaged in a 5-pin SOT-23 configuration. Here are the pin functions:
1. Pin 1 (GND): Ground. This pin is connected to the ground plane of the circuit.
2. Pin 2 (IN): Input voltage. This pin receives the input voltage, which should be higher than the output voltage to ensure proper regulation.
3. Pin 3 (OUT): Output voltage. This pin provides the regulated 3.3V output.
4. Pin 4 (BP): Bypass. Optional connection for a capacitor to reduce output noise.
5. Pin 5 (SHDN): Shutdown. This pin can be used to enable or disable the regulator. When connected to a low logic level, the regulator is turned off.
This regulator is known for its low quiescent current and low dropout voltage, making it suitable for battery-powered applications.

Manufacturer

The LP2992AIM5-3.3 is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is one of the largest semiconductor companies in the world and is known for its focus on developing analog chips and embedded processors, which are widely used in various electronic devices. TI serves a broad range of industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems.

Application

The LP2992AIM5-3.3 is a low-dropout (LDO) voltage regulator designed for applications requiring precise and stable 3.3V power supply. Key application areas include battery-powered devices, portable electronics, mobile phones, digital cameras, and other consumer electronics. Its low quiescent current and minimal dropout make it ideal for maximizing battery life in portable applications. Additionally, its small package size is suitable for compact circuit designs.

Equivalent

The LP2992AIM5-3.3 is a low-dropout (LDO) voltage regulator with a fixed 3.3V output. Equivalent products with similar specifications include:
1. MIC5205-3.3YM5: A 3.3V LDO from Microchip Technology with low dropout voltage.
2. TLV70033: A 3.3V LDO from Texas Instruments featuring low quiescent current.
3. MCP1700-3302E/TO: A 3.3V LDO from Microchip Technology with low quiescent current.
4. NCP1117ST33T3G: A 3.3V LDO from ON Semiconductor with a higher output current capability.
Ensure compatibility with specific design requirements like dropout voltage and current rating before substituting.

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