S-1009C38I-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: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 100mA
• Dropout Voltage: 160mV (at 50mA output current)
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1009C38I-I4T1U has a total of five pins: 1. VIN: Input voltage pin 2. GND: Ground pin 3. CE: Chip enable pin 4. VOUT: Output voltage pin 5. NC: No connection pin

Functional Features

• Low dropout voltage: The S-1009C38I-I4T1U exhibits a low dropout voltage, ensuring efficient power management.
• Low quiescent current: With a typical quiescent current of only 30µA, this IC minimizes power consumption during standby or idle mode.
• Overcurrent protection: The device incorporates overcurrent protection, safeguarding the circuit from excessive current flow.
• Thermal shutdown protection: It includes thermal shutdown protection, preventing damage due to excessive heat.

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 efficient power conversion. - Overcurrent and thermal shutdown protection enhance system reliability.

Disadvantages: - Limited maximum output current may restrict its use in high-power applications. - The SOT-23-5 package may require additional care during soldering due to its small size.

Working Principles

The S-1009C38I-I4T1U is a low dropout voltage regulator that regulates the input voltage to a stable output voltage. It achieves this by utilizing a pass transistor and feedback circuitry. When the input voltage exceeds the desired output voltage, the pass transistor adjusts its resistance to maintain a constant output voltage. The feedback circuit continuously monitors the output voltage and provides control signals to the pass transistor accordingly.

Detailed Application Field Plans

The S-1009C38I-I4T1U finds applications in various electronic devices where efficient power management is crucial. Some potential application fields include: 1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices can benefit from the low dropout voltage and low quiescent current of this IC. 2. IoT devices: Internet of Things (IoT) devices often operate on limited power sources. The S-1009C38I-I4T1U's wide input voltage range and compact package make it suitable for IoT applications. 3. Automotive electronics: With its ability to withstand a wide operating temperature range, this IC can be used in automotive systems like infotainment units, lighting controls, and sensors.

Detailed and Complete Alternative Models

1. S-1009C33I-I4T1U: Similar to S-1009C38I-I4T1U but with an output voltage range of 1.2V to 3.3V.
2. S-1009C50I-I4T1U: Similar to S-1009C38I-I4T1U but with an output voltage range of 1.2V to 5.0V.
3. S-1009C25I-I4T1U: Similar to S-1009C38I-I4T1U but with an output voltage range of 1.2V to 2.5V.

(Note: These alternative models are provided for reference and may have different specifications and pin configurations.)

In conclusion, the S-1009C38I-I4T1U is a low dropout voltage regulator IC designed for efficient power management. Its compact size, wide input voltage range, and various protection features make it suitable for a range of applications in battery-powered devices, IoT devices, and automotive electronics.