EL2045CS

Product Overview

• Category: Integrated Circuit
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, compact size
• Package: SOP-8 (Small Outline Package)
• Essence: EL2045CS is a voltage regulator integrated circuit designed to provide stable and regulated output voltage for various electronic devices.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Input Voltage Range: 2.5V - 18V
• Output Voltage Range: 1.2V - 15V
• Output Current: Up to 1A
• Dropout Voltage: 0.3V at 1A
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The EL2045CS follows the standard SOP-8 pin configuration:

1. VOUT: Output Voltage
2. GND: Ground
3. VIN: Input Voltage
4. NC: No Connection
5. NC: No Connection
6. NC: No Connection
7. NC: No Connection
8. EN: Enable Pin

Functional Features

• High Efficiency: The EL2045CS incorporates advanced circuitry that ensures high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: With a dropout voltage as low as 0.3V, the EL2045CS can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• Compact Size: The SOP-8 package allows for easy integration into space-constrained electronic devices.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Low dropout voltage ensures stable output even with varying input voltage. - Compact size enables integration in small electronic devices.

Disadvantages: - Limited output current capacity of 1A may not be suitable for high-power applications. - The SOP-8 package may require additional thermal management for dissipating heat.

Working Principles

The EL2045CS utilizes a combination of internal circuitry, including a voltage reference, error amplifier, and pass transistor, to regulate the output voltage. When the input voltage exceeds the desired output voltage, the internal circuitry adjusts the pass transistor to reduce the voltage difference, maintaining a stable output voltage.

Detailed Application Field Plans

The EL2045CS is widely used in various electronic devices that require a stable and regulated power supply. Some common application fields include:

1. Mobile Devices: Smartphones, tablets, and portable media players benefit from the EL2045CS's compact size and efficient voltage regulation.
2. Computer Peripherals: Printers, scanners, and external hard drives rely on the EL2045CS for reliable power delivery.
3. Automotive Electronics: In-car entertainment systems, navigation devices, and dashboard displays utilize the EL2045CS to ensure stable operation.

Alternative Models

For users seeking alternative options, the following models provide similar functionality to the EL2045CS:

1. LM1117: A popular voltage regulator with adjustable output voltage and higher output current capacity.
2. LT1763: Offers low dropout voltage and high output current capability, suitable for demanding applications.
3. TPS7A47: Provides ultra-low noise performance along with excellent line and load regulation.

These alternative models offer flexibility and cater to specific requirements based on the application.

In conclusion, the EL2045CS is a versatile voltage regulator integrated circuit that offers high efficiency, low dropout voltage, and compact size. Its wide range of applications, along with alternative models available, make it a valuable component in the field of electronic devices.