LP2952IM

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LP2952IM

IC REG LIN POS ADJ 250MA 16-SOIC

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Spécifications

Part Status Obsolete
Output Configuration Positive
Output Type Adjustable (Fixed)
Number of Regulators 1
Voltage - Input (Max) 30V
Voltage - Output (Min/Fixed) 1.23V (5V)
Voltage - Output (Max) 29V
Voltage Dropout (Max) 0.8V @ 250mA
Current - Output 250mA
Current - Quiescent (Iq) 170 µA
Control Features Enable
Protection Features Over Current, Over Temperature, Reverse Polarity
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case 16-SOIC (0.154", 3.90mm Width)
Supplier Device Package 16-SOIC
Base Product Number LP2952
Current - Supply (Max) 33 mA

Vue d'ensemble

Description

The LP2952IM is a low-dropout (LDO) voltage regulator designed for applications requiring a stable output voltage with minimal input-output differential. It provides a fixed output voltage, typically 3.3V or 5V, and features a low quiescent current, making it ideal for battery-powered devices. The device can support load currents up to 1A and operates over a wide input voltage range, typically from 5V to 30V.
One of the key advantages of the LP2952IM is its low dropout voltage, usually around 0.1V at 100mA load, allowing for efficient operation even with low input voltages. It includes features such as thermal shutdown, current limiting, and a built-in voltage reference, enhancing reliability and safety in various electronic circuits.
The LP2952IM is commonly used in applications such as power supplies for microcontrollers, sensors, and other low-voltage devices, making it a popular choice in consumer electronics, automotive, and industrial applications. Overall, it provides a robust solution for voltage regulation needs in a compact, easy-to-use package.

Features

The LP2952IM is a low-dropout (LDO) voltage regulator designed for low voltage applications. Key features include:
1. Output Voltage: Available in fixed output voltages of 3.3V and 5V, with adjustable versions available.
2. Low Dropout Voltage: Provides a typical dropout voltage of 0.5V at 100mA, enabling efficient operation with low input-output voltage differentials.
3. Output Current: Capable of delivering up to 100mA of output current.
4. Low Quiescent Current: Features a low quiescent current of 30µA, which is beneficial for battery-powered applications.
5. Temperature Range: Operates over a wide temperature range of -40°C to +125°C.
6. Short-Circuit Protection: Integrated thermal and short-circuit protection for enhanced reliability.
7. Power Supply Rejection Ratio (PSRR): High PSRR ensures stable output voltage despite variations in input voltage.
These features make the LP2952IM suitable for a variety of applications, including portable devices, sensors, and microcontrollers.

Package

The LP2952IM is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) format.

Pinout

The LP2952IM is a low-dropout voltage regulator with a pin count of 8. Its pin functions are as follows:
1. Input (Pin 1): Voltage supply input.
2. Ground (Pin 2): Common ground connection.
3. Output (Pin 3): Regulated output voltage.
4. Adjustment (Pin 4): Used for adjusting output voltage; connects to resistors for voltage setting in adjustable versions.
5. Enable (Pin 5): Active high enable pin to turn the regulator on/off.
6. Current Limit (Pin 6): Provides current limit protection and can connect to a resistor for setting current limits.
7. Bypass (Pin 7): Optional bypass capacitor for noise reduction, improves transient response.
8. NC (Pin 8): No connection; typically unconnected or used for thermal considerations.
The LP2952IM is designed to provide a stable output voltage with low dropout and is suitable for various applications including battery-powered devices.

Manufacturer

The LP2952IM is manufactured by Texas Instruments (TI), a global semiconductor company. Texas Instruments specializes in designing and manufacturing a wide range of electronic components, including analog, embedded processing, and digital signal processing devices. Established in 1930, TI is headquartered in Dallas, Texas, and is known for its innovation in the semiconductor industry, providing solutions for various applications such as industrial, automotive, communications, and consumer electronics. The LP2952IM specifically is a low-dropout voltage regulator, widely used in electronic circuits to provide stable voltage output.

Application

The LP2952IM is a low-dropout voltage regulator commonly used in applications such as power management for microcontrollers, battery-powered devices, and portable electronics. It provides a stable output voltage with low quiescent current, making it suitable for systems requiring efficient power regulation. Additionally, it is utilized in analog circuits, automotive electronics, and telecommunications equipment, where precise voltage supply is critical.

Equivalent

The LP2952IM is a low-dropout voltage regulator. Equivalent products include:
1. LM1117 - Low-dropout voltage regulator with adjustable output.
2. LM2937 - Low-dropout regulator for similar voltage ranges.
3. MIC2940 - Low-dropout voltage regulator with higher current capability.
4. LT1085 - Low-dropout three-terminal voltage regulator.
5. LM1084 - Higher current version with low dropout.
Always check specific electrical characteristics for compatibility in your application.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

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