LM3722EM5-4.63/NOPB

Product Overview

Category

LM3722EM5-4.63/NOPB belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• Package: LM3722EM5-4.63/NOPB comes in a small SOT-23-5 package.
• Essence: It is an efficient and compact voltage regulator.
• Packaging/Quantity: The product is typically sold in reels or tubes, with a quantity of 3000 units per reel.

Specifications

The LM3722EM5-4.63/NOPB has the following specifications:

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 4.63V
• Output Current: Up to 500mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 45µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM3722EM5-4.63/NOPB has five pins arranged as follows:

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Pin 1: VIN (Input Voltage) Pin 2: GND (Ground) Pin 3: EN (Enable) Pin 4: BYP (Bypass Capacitor) Pin 5: VOUT (Output Voltage)

Functional Features

• Low dropout voltage: The LM3722EM5-4.63/NOPB exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• Low quiescent current: With a typical quiescent current of only 45µA, this voltage regulator minimizes power consumption in standby or low-load conditions.
• Thermal shutdown protection: The device includes built-in thermal shutdown protection, preventing damage due to excessive temperature.

Advantages and Disadvantages

Advantages

• Compact size and SOT-23-5 package make it suitable for space-constrained applications.
• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• Low quiescent current minimizes power consumption in standby mode.

Disadvantages

• Limited output current of up to 500mA may not be sufficient for high-power applications.
• Operating temperature range of -40°C to +85°C may not be suitable for extreme environments.

Working Principles

The LM3722EM5-4.63/NOPB operates as a linear voltage regulator. It regulates the output voltage by maintaining a constant voltage drop across its internal pass transistor. This ensures that the output voltage remains stable regardless of variations in the input voltage or load conditions.

Detailed Application Field Plans

The LM3722EM5-4.63/NOPB is commonly used in various electronic devices and systems, including:

1. Battery-powered portable devices: It provides regulated voltage for microcontrollers, sensors, and other components in devices such as smartphones, tablets, and wearables.
2. IoT (Internet of Things) applications: The voltage regulator is suitable for low-power IoT devices that require efficient power management.
3. Automotive electronics: It can be utilized in automotive applications, providing stable voltage for various subsystems like infotainment systems, lighting controls, and sensors.

Detailed and Complete Alternative Models

Some alternative models to LM3722EM5-4.63/NOPB include:

1. LM317: A popular general-purpose adjustable voltage regulator.
2. LT1763: A low dropout linear regulator with higher output current capability.
3. TPS7A47: An ultra-low noise, high PSRR (Power Supply Rejection Ratio) voltage regulator.

These alternative models offer different features and specifications, allowing users to choose the most suitable option for their specific application requirements.

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