S-1135D29-A6T1U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Low Dropout Voltage Regulator
• Package: SOT-89
• Essence: Voltage regulation for low power applications
• 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) at 100mA load current
• Maximum Output Current: 100mA
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1135D29-A6T1U has a total of three pins: 1. Pin 1: VIN (Input Voltage) 2. Pin 2: GND (Ground) 3. Pin 3: VOUT (Output Voltage)

Functional Features

• Low dropout voltage ensures efficient power conversion.
• Excellent line and load regulation for stable output voltage.
• Built-in overcurrent protection prevents damage to the IC.
• Thermal shutdown feature protects against overheating.
• Fast transient response for sudden load changes.

Advantages

• Compact SOT-89 package allows for space-saving designs.
• Wide input voltage range enables versatile applications.
• Low quiescent current minimizes power consumption.
• High accuracy in voltage regulation ensures reliable performance.
• Robust protection features enhance durability.

Disadvantages

• Limited maximum output current may restrict certain high-power applications.
• The SOT-89 package may require additional thermal management for high-temperature environments.

Working Principles

The S-1135D29-A6T1U is a low dropout voltage regulator that maintains a stable output voltage despite fluctuations in the input voltage. It achieves this by utilizing a pass transistor and feedback mechanism to regulate the voltage difference between the input and output. The IC continuously adjusts the pass transistor's resistance to maintain the desired output voltage, compensating for changes in load current and input voltage.

Detailed Application Field Plans

The S-1135D29-A6T1U finds applications in various electronic devices that require reliable voltage regulation with low power consumption. Some potential application fields include: 1. Battery-powered portable devices (e.g., smartphones, tablets) 2. Wearable electronics (e.g., fitness trackers, smartwatches) 3. IoT devices (e.g., sensors, smart home devices) 4. Industrial control systems 5. Automotive electronics

Detailed and Complete Alternative Models

1. S-1135D29-M6T1U: Similar specifications but with a different package (SOT-23).
2. S-1135D29-I6T1U: Higher maximum output current of 200mA.
3. S-1135D29-B6T1U: Lower quiescent current of 25µA.

These alternative models offer similar functionality but may vary in package type, maximum output current, or quiescent current.

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