LM3503ITL-44/NOPB

Product Overview

Category

The LM3503ITL-44/NOPB belongs to the category of voltage regulators.

Use

It is used to regulate voltage in electronic circuits, ensuring a stable output voltage regardless of input variations.

Characteristics

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to 4.2V
• Low Dropout Voltage: 200mV at 300mA
• Low Quiescent Current: 75µA
• Package Type: Thin SOT-23 (TL-44)

Package

The LM3503ITL-44/NOPB comes in a Thin SOT-23 package, which is compact and suitable for space-constrained applications.

Packaging/Quantity

The LM3503ITL-44/NOPB is typically available in reels with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to 4.2V
• Dropout Voltage: 200mV at 300mA
• Quiescent Current: 75µA
• Package Type: Thin SOT-23 (TL-44)

Detailed Pin Configuration

The LM3503ITL-44/NOPB has the following pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. EN (Enable) 4. FB (Feedback) 5. VOUT (Output Voltage)

Functional Features

• Low dropout voltage for efficient regulation
• Wide input voltage range for versatility
• Low quiescent current for power efficiency
• Enable pin for control over the regulator's operation

Advantages and Disadvantages

Advantages

• Efficient voltage regulation
• Wide input voltage range
• Compact package size
• Low quiescent current

Disadvantages

• Limited maximum output current
• Sensitive to external noise and fluctuations

Working Principles

The LM3503ITL-44/NOPB operates by comparing the feedback voltage to a reference voltage and adjusting the pass element to maintain a stable output voltage. When enabled, it regulates the output voltage based on the input voltage and load conditions.

Detailed Application Field Plans

The LM3503ITL-44/NOPB is commonly used in portable electronic devices, battery-powered systems, and low-power applications where efficient voltage regulation is essential. It is suitable for handheld devices, IoT sensors, and wearable electronics.

Detailed and Complete Alternative Models

Some alternative models to the LM3503ITL-44/NOPB include the LM1117, LM2937, and LM317, each offering similar voltage regulation capabilities with varying specifications and package options.

In conclusion, the LM3503ITL-44/NOPB is a versatile voltage regulator with a wide input voltage range, compact package, and efficient performance, making it suitable for various low-power electronic applications.

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