IFX90121ELV50XUMA1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Efficiency
• Package: SOT-23-5
• Essence: Regulates voltage to a stable level
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 5.0V
• Dropout Voltage: 200mV at 150mA
• Quiescent Current: 45µA
• Load Regulation: ±0.5%
• Line Regulation: ±0.3%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The IFX90121ELV50XUMA1 has a total of 5 pins arranged as follows:

1. GND (Ground)
2. VIN (Input Voltage)
3. VOUT (Output Voltage)
4. NC (No Connection)
5. EN (Enable)

Functional Features

• Low dropout voltage ensures efficient power conversion.
• High efficiency minimizes power dissipation.
• Enable pin allows for easy on/off control.
• Stable output voltage regardless of input variations.
• Overcurrent and thermal protection for enhanced reliability.

Advantages and Disadvantages

Advantages: - Low dropout voltage results in minimal power loss. - High efficiency reduces energy consumption. - Small package size enables space-saving designs. - Wide operating temperature range for versatile applications.

Disadvantages: - Limited output current capability. - Requires external capacitors for stability. - Not suitable for high voltage applications.

Working Principles

The IFX90121ELV50XUMA1 is a voltage regulator IC that regulates the input voltage to a stable 5.0V output voltage. It utilizes a low dropout architecture, which means it can maintain regulation even when the input voltage is close to the desired output voltage. This feature minimizes power dissipation and improves overall efficiency.

The IC incorporates a feedback mechanism that continuously monitors the output voltage and adjusts the internal circuitry to maintain a stable output. The enable pin allows for easy control of the regulator's operation, enabling power savings when not in use.

Detailed Application Field Plans

The IFX90121ELV50XUMA1 is commonly used in various electronic devices and systems that require a stable 5.0V power supply. Some typical application fields include:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices benefit from the low dropout voltage and high efficiency of this voltage regulator.
2. IoT (Internet of Things) devices: Sensors, actuators, and other IoT devices often operate on low voltages and require a stable power source. The IFX90121ELV50XUMA1 is suitable for such applications.
3. Automotive electronics: With its wide operating temperature range and small package size, this voltage regulator can be used in automotive applications where space is limited and temperature variations are common.

Detailed and Complete Alternative Models

1. LM1117-5.0: A popular alternative with similar specifications and pin configuration.
2. MCP1700-500: Another alternative offering low dropout voltage and high efficiency.
3. TPS70950: A voltage regulator with additional features like adjustable output voltage and overcurrent protection.

These alternative models provide similar functionality and can be considered as substitutes for the IFX90121ELV50XUMA1 depending on specific requirements and availability.

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