S-1135D31-U5T1U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • High efficiency
  • Low dropout voltage
  • Small package size
• Package: SOT-23-5
• Essence: Linear voltage regulator
• Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 3.1V ±2%
• Maximum Output Current: 150mA
• Dropout Voltage: 200mV @ 100mA
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1135D31-U5T1U has a total of five pins arranged as follows:

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Pin Configuration: 1. VIN: Input voltage pin 2. GND: Ground pin 3. NC: No connection 4. VOUT: Output voltage pin 5. EN: Enable pin

Functional Features

• Low dropout voltage ensures stable output even with low input voltage.
• High efficiency minimizes power dissipation.
• Built-in overcurrent protection safeguards the circuit from excessive current.
• Thermal shutdown feature prevents overheating.

Advantages and Disadvantages

Advantages: - Small package size allows for space-saving designs. - High efficiency results in longer battery life. - Low dropout voltage enables operation with low input voltages.

Disadvantages: - Limited maximum output current may restrict certain applications. - Narrow input voltage range may not be suitable for all scenarios.

Working Principles

The S-1135D31-U5T1U is a linear voltage regulator that maintains a stable output voltage despite fluctuations in the input voltage. It achieves this by using a pass transistor to regulate the voltage difference between the input and output terminals. The regulator continuously adjusts the pass transistor to ensure the output voltage remains within the specified range.

Detailed Application Field Plans

The S-1135D31-U5T1U is commonly used in various electronic devices, including: 1. Battery-powered devices: Portable audio players, handheld gaming consoles, etc. 2. IoT devices: Smartwatches, fitness trackers, etc. 3. Mobile phones and tablets: Power management circuits, battery charging circuits, etc. 4. Automotive electronics: Infotainment systems, navigation systems, etc. 5. Industrial equipment: Sensors, control systems, etc.

Detailed and Complete Alternative Models

1. S-1135D31-M5T1U: Similar specifications but with a different package (SOT-23-5).
2. S-1135D31-U5T2U: Higher maximum output current of 300mA.
3. S-1135D31-U5T3U: Lower dropout voltage of 100mV @ 100mA.

These alternative models offer similar functionality and can be considered as substitutes for the S-1135D31-U5T1U.

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