S-1009C11I-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: 200mV (typical) at 100mA
• Quiescent Current: 30μA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1009C11I-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: The S-1009C11I-I4T1U exhibits a low dropout voltage, ensuring stable output even when the input voltage is close to the desired output voltage.
• Low quiescent current: With a typical quiescent current of only 30μA, this IC minimizes power consumption in standby or low-load conditions.
• Overcurrent protection: The device incorporates overcurrent protection, safeguarding the circuit from excessive current flow and potential damage.
• Thermal shutdown protection: In case of excessive temperature rise, the IC automatically shuts down to prevent overheating.

Advantages and Disadvantages

Advantages: - Compact package size allows for space-saving designs. - Wide input voltage range enables compatibility with various power sources. - Low dropout voltage ensures stable output even under challenging conditions. - Overcurrent and thermal shutdown protection enhance reliability.

Disadvantages: - Limited maximum output current of 100mA may not be suitable for high-power applications. - SOT-23-5 package may require careful handling during assembly to avoid damage.

Working Principles

The S-1009C11I-I4T1U is a low dropout voltage regulator IC. It regulates the input voltage to provide a stable output voltage, even when the input voltage is close to the desired output voltage. The device achieves this by utilizing a pass transistor that adjusts its resistance to maintain the desired output voltage. Additionally, it incorporates various protection mechanisms such as overcurrent and thermal shutdown to ensure safe operation.

Detailed Application Field Plans

The S-1009C11I-I4T1U finds applications in various electronic devices where stable voltage regulation is required. Some potential application fields include: - Battery-powered devices: Portable electronics, such as smartphones, tablets, and wearable devices, benefit from the low dropout voltage and low quiescent current of this IC, extending battery life. - IoT devices: Internet of Things (IoT) devices often operate on low power and require efficient voltage regulation. The S-1009C11I-I4T1U can be used in sensors, smart home devices, and other IoT applications. - Automotive electronics: With its wide input voltage range and robust protection features, this IC can be employed in automotive systems, including infotainment systems, lighting controls, and engine management units.

Detailed and Complete Alternative Models

• S-1009C10I-I4T1U: Similar to S-1009C11I-I4T1U but with an output voltage range of 1.0V to 5.5V.
• S-1009C12I-I4T1U: Similar to S-1009C11I-I4T1U but with an output voltage range of 1.2V to 6.0V.
• S-1009C13I-I4T1U: Similar to S-1009C11I-I4T1U but with an output voltage range of 1.3V to 5.5V.

(Note: The above alternative models are for illustrative purposes and may not represent the complete list of alternatives available in the market.)

In conclusion, the S-1009C11I-I4T1U is a low dropout voltage regulator IC designed for power management applications. Its compact size, wide input voltage range, and various protection features make it suitable for a range of electronic devices.