S-1312A30-A4T1U3

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: 2.0V to 6.0V
• Output Voltage Range: 0.8V to 5.5V
• Maximum Output Current: 150mA
• Dropout Voltage: 160mV (typical) at 100mA
• Quiescent Current: 20µA (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.2% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1312A30-A4T1U3 has a total of five pins arranged in the following configuration:

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

Functional Features

• Low dropout voltage allows for efficient regulation even with small input-output differentials.
• Low quiescent current ensures minimal power consumption during standby or idle modes.
• Excellent line and load regulation provide stable output voltage under varying conditions.
• Built-in overcurrent protection safeguards the regulator and connected circuitry.

Advantages and Disadvantages

Advantages: - High efficiency operation conserves power and extends battery life. - Small package size (SOT-23-5) enables space-saving designs. - Wide input voltage range allows for versatile applications. - Overcurrent protection enhances system reliability.

Disadvantages: - Limited maximum output current may restrict usage in high-power applications. - Dropout voltage may cause a slight voltage drop across the regulator.

Working Principles

The S-1312A30-A4T1U3 is a linear voltage regulator that utilizes a pass transistor to regulate the output voltage. When the input voltage (VIN) is within the specified range, the regulator maintains a stable output voltage (VOUT) by adjusting the pass transistor's resistance. The chip enable (CE) pin controls the regulator's operation, allowing it to be enabled or disabled as required.

Detailed Application Field Plans

The S-1312A30-A4T1U3 finds application in various electronic devices and systems, including but not limited to:

1. Battery-powered portable devices such as smartphones, tablets, and digital cameras.
2. Wearable electronics like smartwatches and fitness trackers.
3. IoT (Internet of Things) devices requiring low power consumption.
4. Automotive electronics for voltage regulation in infotainment systems, lighting, etc.
5. Industrial control systems, sensors, and instrumentation.

Detailed and Complete Alternative Models

1. S-1312B30-A4T1U3: Similar specifications with a different package (SOT-89-5).
2. S-1312C30-A4T1U3: Higher maximum output current (300mA) with the same package (SOT-23-5).
3. S-1312D30-A4T1U3: Lower quiescent current (10µA) with the same package (SOT-23-5).

These alternative models provide options based on specific requirements and design constraints.

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