S-1335B32-A4T2U3

Basic Information Overview

Category: Electronic Component
Use: Voltage Regulator
Characteristics: High precision, low dropout voltage, small package size
Package: SOT-23-5
Essence: Integrated voltage regulator with adjustable output
Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV (typical)
• Output Current: 150mA (maximum)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.2% (typical)
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1335B32-A4T2U3 has a total of five pins arranged as follows:

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

Functional Features

• Adjustable output voltage through external resistors
• Low dropout voltage ensures efficient power conversion
• Excellent line and load regulation for stable output
• Low quiescent current prolongs battery life
• Thermal shutdown protection prevents overheating
• Short-circuit current limit protects the device from damage

Advantages and Disadvantages

Advantages: - High precision voltage regulation - Small package size for space-constrained applications - Wide input voltage range allows flexibility in power supply selection - Low dropout voltage minimizes power dissipation

Disadvantages: - Limited output current capability (150mA maximum) - No built-in overvoltage protection

Working Principles

The S-1335B32-A4T2U3 is a voltage regulator that maintains a stable output voltage regardless of variations in the input voltage or load conditions. It utilizes an internal reference voltage and feedback mechanism to adjust the output voltage based on the desired value set by external resistors.

When the input voltage is within the specified range, the regulator operates in a linear mode, where it adjusts the pass transistor to maintain the desired output voltage. If the input voltage drops below the minimum required level, the dropout voltage comes into play, causing the output voltage to decrease slightly.

The device also incorporates various protection features such as thermal shutdown and short-circuit current limit to safeguard against potential damage.

Detailed Application Field Plans

The S-1335B32-A4T2U3 is commonly used in various electronic devices and systems that require precise voltage regulation. Some typical application fields include:

1. Battery-powered portable devices: The low quiescent current and small package size make it suitable for smartphones, tablets, and wearable devices.
2. Industrial control systems: The high precision and wide input voltage range make it ideal for powering sensors, actuators, and microcontrollers.
3. Automotive electronics: The regulator can be used in automotive infotainment systems, lighting modules, and other subsystems requiring stable voltage supply.

Detailed and Complete Alternative Models

1. S-1313B33-A4T2U3: Similar voltage regulator with fixed output voltage of 3.3V.
2. S-1335B25-A4T2U3: Similar voltage regulator with adjustable output voltage and lower dropout voltage.
3. S-1315B12-A4T2U3: Similar voltage regulator with fixed output voltage of 1.2V and higher output current capability.

These alternative models provide similar functionality but may have different specifications or package sizes to suit specific application requirements.

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