S-1312C35-A4T2U3

Basic Information Overview

Category: Electronic Component
Use: Voltage Regulator
Characteristics: High Efficiency, Low Dropout, Low Quiescent Current
Package: SOT-23-5
Essence: Linear Voltage Regulator
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 (selectable in 0.1V steps)
• Maximum Output Current: 150mA
• Dropout Voltage: 160mV @ 100mA
• Quiescent Current: 30µA (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.1% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1312C35-A4T2U3 has a total of five pins arranged as follows:

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Pin 1: VIN (Input Voltage)
Pin 2: GND (Ground)
Pin 3: VOUT (Output Voltage)
Pin 4: NC (No Connection)
Pin 5: CE (Control Enable)

Functional Features

• High efficiency voltage regulation for low power applications
• Low dropout voltage allows operation with small input-output differentials
• Low quiescent current minimizes power consumption during standby or idle periods
• Selectable output voltage allows flexibility in system design
• Excellent line and load regulation ensures stable output under varying conditions

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power dissipation and longer battery life - Low dropout voltage enables operation with low input voltages - Low quiescent current prolongs battery life during standby periods - Selectable output voltage provides versatility for different applications - Excellent line and load regulation ensures stable performance

Disadvantages: - Limited maximum output current of 150mA may not be suitable for high-power applications - Dropout voltage of 160mV may affect performance in ultra-low voltage scenarios

Working Principles

The S-1312C35-A4T2U3 is a linear voltage regulator that maintains a constant output voltage regardless of variations in the input voltage or load conditions. It achieves this by using a pass transistor to regulate the voltage drop across it, ensuring a stable output voltage.

Detailed Application Field Plans

The S-1312C35-A4T2U3 finds application in various electronic devices where a stable and regulated voltage supply is required. Some potential application fields include:

1. Battery-powered portable devices such as smartphones, tablets, and wearable devices.
2. IoT (Internet of Things) devices requiring efficient power management.
3. Consumer electronics like digital cameras, MP3 players, and handheld gaming consoles.
4. Industrial control systems and automation equipment.
5. Medical devices and healthcare monitoring systems.

Detailed and Complete Alternative Models

1. S-1312B33-A4T2U3: Similar specifications but with a fixed output voltage of 3.3V.
2. S-1312C50-A4T2U3: Similar specifications but with a higher maximum output current of 500mA.
3. S-1312D18-A4T2U3: Similar specifications but with a fixed output voltage of 1.8V.

These alternative models provide options for different output voltage requirements and higher current capabilities.

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