S-1009C43I-I4T1U

Basic Information Overview

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

Specifications

• Input Voltage Range: 2.0V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 100mA
• Dropout Voltage: 150mV (at 50mA output current)
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

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

Functional Features

• Low dropout voltage for efficient power management.
• Wide input voltage range allows flexibility in various applications.
• Adjustable output voltage to meet specific requirements.
• Low quiescent current for power-saving operation.
• Enable pin for easy on/off control.

Advantages

• Provides stable and regulated output voltage.
• Compact SOT-23-5 package for space-constrained designs.
• Low dropout voltage minimizes power dissipation.
• Wide operating temperature range for versatile usage.
• Enables efficient power management in portable devices.

Disadvantages

• Limited maximum output current of 100mA.
• No thermal shutdown feature.
• Requires external components for stability and filtering.

Working Principles

The S-1009C43I-I4T1U is a low dropout voltage regulator IC that regulates the output voltage based on the input voltage. It operates by comparing the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage. The enable pin allows the user to control the regulator's operation, providing flexibility in power management.

Detailed Application Field Plans

The S-1009C43I-I4T1U is commonly used in various battery-powered applications, such as mobile phones, portable media players, digital cameras, and handheld gaming devices. It can also be utilized in other low-power electronic devices that require a stable and regulated power supply.

Detailed and Complete Alternative Models

1. S-1009C33I-I4T1U: Similar specifications but with a fixed output voltage of 3.3V.
2. S-1009C50I-I4T1U: Similar specifications but with a fixed output voltage of 5.0V.
3. S-1009C12I-I4T1U: Similar specifications but with a fixed output voltage of 1.2V.

These alternative models provide options for different output voltage requirements while maintaining similar characteristics and functionality.

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