EL9110IU-T7

Product Overview

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

Specifications

• Input Voltage Range: 2.5V to 6V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 150mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 50µA
• Line Regulation: ±0.3%
• Load Regulation: ±0.4%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The EL9110IU-T7 IC has a total of 5 pins:

1. VIN - Input voltage pin
2. GND - Ground pin
3. EN - Enable pin (active high)
4. FB - Feedback pin for output voltage regulation
5. VOUT - Output voltage pin

Functional Features

• High efficiency with low dropout voltage
• Provides stable output voltage regulation
• Low quiescent current consumption
• Thermal shutdown protection
• Short-circuit current limiting
• Fast transient response

Advantages and Disadvantages

Advantages

• High efficiency ensures minimal power loss
• Low dropout voltage allows for operation with low input voltages
• Stable output voltage regulation ensures reliable performance
• Low quiescent current consumption extends battery life
• Thermal shutdown protection prevents damage due to overheating
• Fast transient response enables quick load changes without voltage fluctuations

Disadvantages

• Limited maximum output current of 150mA
• Input voltage range restricted to 2.5V to 6V

Working Principles

The EL9110IU-T7 is a linear regulator that operates by maintaining a constant voltage difference between the input and output terminals. It uses a pass transistor to regulate the output voltage based on the feedback received from the FB pin. The enable (EN) pin controls the operation of the regulator, allowing it to be turned on or off as required.

Detailed Application Field Plans

The EL9110IU-T7 is commonly used in various applications where a stable and regulated voltage supply is required. Some potential application fields include:

1. Battery-powered devices: Portable electronics, handheld instruments, and wireless communication devices.
2. Automotive electronics: Infotainment systems, navigation devices, and dashboard displays.
3. Industrial control systems: Sensors, actuators, and automation equipment.
4. Medical devices: Patient monitoring systems, portable medical instruments, and diagnostic equipment.
5. Consumer electronics: Smartphones, tablets, and wearable devices.

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and package type.
2. MCP1700-3302E/TO: Another alternative offering low dropout voltage and high accuracy.
3. TPS79333DBVR: An alternative with a higher maximum output current and wider input voltage range.

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