S-1312A26-A4T1U3

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • Low dropout voltage
  • High output voltage accuracy
  • Low quiescent current
  • Small package size
• Package: SOT-23-5
• Essence: Regulates input voltage to a stable output voltage
• 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
• Dropout Voltage: 200mV (typical) at 100mA load current
• Output Voltage Accuracy: ±2% (at 25°C)
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1312A26-A4T1U3 IC has the following pin configuration:

```

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| | --| V IN|-- Pin 1: Input Voltage --|____| | | --| GND|-- Pin 2: Ground --|____| | | --| V OUT|-- Pin 3: Output Voltage --|____| | | --| NC |-- Pin 4: No Connection --|____| | | --| EN |-- Pin 5: Enable Control --|____| ```

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output voltage differentials.
• High output voltage accuracy provides precise voltage regulation for sensitive electronic components.
• Low quiescent current minimizes power consumption in standby or idle mode.
• Small package size allows for space-saving and compact designs.

Advantages

• Wide input voltage range enables compatibility with various power sources.
• Excellent output voltage accuracy ensures reliable performance in critical applications.
• Low quiescent current extends battery life in portable devices.
• Small package size facilitates integration into space-constrained designs.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• No thermal protection feature, which may require additional circuitry for temperature management.

Working Principles

The S-1312A26-A4T1U3 is a voltage regulator IC that utilizes a series pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage derived from the output. The internal control circuit adjusts the pass transistor to maintain a stable output voltage despite variations in the input voltage and load conditions.

Detailed Application Field Plans

The S-1312A26-A4T1U3 is suitable for a wide range of applications, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial automation systems - Automotive electronics - Communication equipment

Detailed and Complete Alternative Models

• S-1312B26-A4T1U3: Similar specifications, but with an adjustable output voltage feature.
• S-1312C26-A4T1U3: Higher output current capability (up to 500mA) with similar characteristics.
• S-1312D26-A4T1U3: Enhanced thermal protection feature for improved reliability in demanding environments.

Note: These alternative models are provided as examples and may have slight variations in specifications and features.

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