S-1132B31-I6T2U

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 units per reel

Specifications

• Input Voltage Range: 2.0V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 300mA
• Dropout Voltage: 160mV @ 100mA
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1132B31-I6T2U has a total of five pins arranged as follows: 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-1132B31-I6T2U 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 idle mode.
• Overcurrent protection: The device incorporates overcurrent protection, safeguarding against excessive current flow and potential damage to the circuitry.
• Thermal shutdown protection: In case of excessive temperature rise, the IC automatically shuts down to prevent overheating and subsequent failure.

Advantages and Disadvantages

Advantages: - Compact package size allows for space-efficient 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 may restrict usage in high-power applications. - SOT-23-5 package may require additional measures for heat dissipation in certain scenarios.

Working Principles

The S-1132B31-I6T2U is a low dropout voltage regulator that maintains a stable output voltage despite fluctuations in the input voltage. It achieves this by utilizing a precision reference voltage, error amplifier, and pass transistor. The error amplifier continuously compares the output voltage with the reference voltage and adjusts the pass transistor accordingly to maintain the desired output voltage.

Detailed Application Field Plans

The S-1132B31-I6T2U finds applications in various electronic devices where a stable and regulated power supply is required. Some potential application fields include: 1. Battery-powered portable devices: This IC can be used to regulate the voltage supplied to microcontrollers, sensors, or other components in smartphones, tablets, and wearable devices. 2. Industrial automation: The S-1132B31-I6T2U can be employed in control systems, motor drivers, and other industrial equipment that demand reliable power management. 3. Automotive electronics: With its wide input voltage range and low dropout voltage, this IC can be utilized in automotive applications such as infotainment systems, lighting controls, and engine management units.

Detailed and Complete Alternative Models

1. S-1132B33-I6T2U: Similar to S-1132B31-I6T2U but with a higher maximum output current of 500mA.
2. S-1132B28-I6T2U: Similar to S-1132B31-I6T2U but with a lower dropout voltage of 100mV @ 100mA.

These alternative models provide options with varying specifications to cater to different requirements.

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