DS1393U-18+ Encyclopedia Entry

Product Overview

• Category: Electronic Component
• Use: Voltage Regulator
• Characteristics: High precision, Low dropout voltage, Small form factor
• Packaging: SOT-23 package
• Essence: Integrated voltage regulator with a fixed output voltage of 1.8V
• Packaging/Quantity: Comes in reels of 3000 units

Specification Parameters

The DS1393U-18+ has the following specification parameters: - Input Voltage Range: 2.5V to 6.5V - Output Voltage: 1.8V - Dropout Voltage: 200mV at 100mA load current - Line Regulation: ±0.05% typical - Load Regulation: ±0.1% typical - Quiescent Current: 75µA typical - Operating Temperature Range: -40°C to +85°C

Pin Configuration

The DS1393U-18+ has a standard SOT-23 package with three pins. The pin configuration is as follows:

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| | --| |-- VIN (Input Voltage) --| |-- GND (Ground) --|____|-- VOUT (Output Voltage) ```

Functional Characteristics

The DS1393U-18+ is a high-precision voltage regulator designed for applications that require a stable 1.8V power supply. It offers low dropout voltage, ensuring efficient power conversion even when the input voltage is close to the desired output voltage. The device operates within a wide temperature range, making it suitable for various environments.

Advantages and Disadvantages

Advantages: - High precision voltage regulation - Low dropout voltage - Small form factor - Wide operating temperature range

Disadvantages: - Fixed output voltage limits flexibility in certain applications

Working Principle

The DS1393U-18+ utilizes a voltage reference and error amplifier to compare the output voltage with a fixed reference voltage. The feedback loop adjusts the pass transistor to maintain a stable output voltage of 1.8V, regardless of input voltage variations.

Detailed Application Field Plans

The DS1393U-18+ is commonly used in various electronic devices that require a stable 1.8V power supply. Some typical application fields include: - Battery-powered devices - Portable consumer electronics - Embedded systems - IoT devices - Medical equipment

Detailed Alternative Models

If the DS1393U-18+ does not meet specific requirements, alternative models with different output voltages or additional features can be considered. Some alternatives to the DS1393U-18+ include: - DS1393U-15+ (1.5V output) - DS1393U-25+ (2.5V output) - DS1393U-ADJ+ (adjustable output voltage)

This concludes the encyclopedia entry for the DS1393U-18+ voltage regulator.