S-1009N37I-I4T1U

Basic Information Overview

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

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV (typical) at 100mA load current
• Output Current: 100mA (maximum)
• Quiescent Current: 30µA (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.3% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1009N37I-I4T1U has a total of five pins arranged as follows: 1. VIN: Input voltage pin 2. GND: Ground pin 3. VOUT: Output voltage pin 4. CE: Chip enable pin 5. NC: No connection pin

Functional Features

• Low dropout voltage ensures efficient power conversion.
• High accuracy in regulating output voltage.
• Low quiescent current minimizes power consumption.
• Excellent line and load regulation for stable performance.
• Built-in overcurrent protection safeguards the circuit.

Advantages

• Wide input voltage range allows flexibility in various applications.
• Small package size (SOT-23-5) enables space-saving designs.
• Low dropout voltage reduces power dissipation and extends battery life.
• High accuracy ensures precise voltage regulation.
• Overcurrent protection enhances system reliability.

Disadvantages

• Limited output current (100mA maximum) may not be suitable for high-power applications.
• Operating temperature range (-40°C to +85°C) may restrict usage in extreme environments.

Working Principles

The S-1009N37I-I4T1U is a low dropout voltage regulator that maintains a stable output voltage despite variations in the input voltage. It utilizes a feedback mechanism to continuously adjust the internal circuitry, ensuring the desired output voltage is maintained. The chip enable pin allows for easy control of the regulator's operation.

Detailed Application Field Plans

The S-1009N37I-I4T1U is commonly used in various portable electronic devices, such as smartphones, tablets, and wearable devices. It is particularly suitable for battery-powered applications where power efficiency and accuracy are crucial. Some specific application areas include: - Mobile phones and smartwatches - Portable media players - Wireless communication devices - Handheld gaming consoles - Medical devices

Detailed and Complete Alternative Models

1. S-1009N37I-I4T1G: Similar specifications and features, but available in a different package (SOT-89-5).
2. S-1009N37I-I4T1R: Same specifications and features, but with reversed pin configuration.
3. S-1009N37I-I4T1V: Enhanced version with extended operating temperature range (-40°C to +105°C).

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