LE30CZ

Product Overview

Category: Electronic Component
Use: Voltage Regulator
Characteristics: High precision, low dropout voltage, compact size
Package: TO-92
Essence: Linear regulator
Packaging/Quantity: Bulk packaging, 100 pieces per pack

Specifications

• Input Voltage Range: 2.5V to 15V
• Output Voltage Range: 1.2V to 12V
• Dropout Voltage: 0.3V at 100mA
• Maximum Output Current: 100mA
• Line Regulation: ±0.2%
• Load Regulation: ±0.4%
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LE30CZ voltage regulator has three pins:

1. Input (VIN): This pin is used to connect the input voltage source.
2. Ground (GND): This pin is connected to the ground reference.
3. Output (VOUT): The regulated output voltage is obtained from this pin.

Functional Features

• High precision voltage regulation
• Low dropout voltage ensures efficient power conversion
• Compact size allows for easy integration into various electronic circuits
• Excellent line and load regulation characteristics
• Low quiescent current consumption prolongs battery life
• Wide operating temperature range enables usage in extreme conditions

Advantages and Disadvantages

Advantages: - Precise voltage regulation - Low dropout voltage - Compact size - Efficient power conversion - Wide operating temperature range

Disadvantages: - Limited maximum output current (100mA) - Not suitable for high-power applications

Working Principles

The LE30CZ is a linear voltage regulator that operates by maintaining a constant output voltage regardless of changes in the input voltage or load conditions. It achieves this by using a pass transistor to regulate the voltage drop across it. The regulator compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain the desired output voltage.

Detailed Application Field Plans

The LE30CZ is commonly used in various electronic devices and circuits that require stable and precise voltage regulation. Some typical applications include:

1. Battery-powered devices: Portable electronics, such as smartphones, tablets, and portable audio players, benefit from the LE30CZ's low dropout voltage and low quiescent current consumption.
2. Automotive electronics: The wide operating temperature range makes the LE30CZ suitable for automotive applications, including dashboard instruments, lighting systems, and control modules.
3. Industrial control systems: The compact size and high precision of the LE30CZ make it ideal for use in industrial control systems, such as PLCs (Programmable Logic Controllers) and motor control circuits.

Detailed and Complete Alternative Models

• LM1117: Similar characteristics and package, higher maximum output current (800mA)
• LT1763: Higher precision and lower dropout voltage, SOT-23 package
• LM317: Adjustable voltage regulator, higher maximum output current (1.5A)

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