S-1135B14-U5T1U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • High efficiency
  • Low dropout voltage
  • Wide input voltage range
  • Small package size
• Package: SOT-23-5
• Essence: This IC is designed to regulate voltage in electronic circuits, ensuring a stable output voltage regardless of input variations.
• Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 150mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 40µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1135B14-U5T1U IC has the following pin configuration:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | VIN | Input Voltage | | 2 | GND | Ground | | 3 | EN | Enable Control | | 4 | VOUT | Output Voltage | | 5 | NC | No Connection |

Functional Features

• Low dropout voltage ensures efficient power conversion even with small input-output voltage differentials.
• Wide input voltage range allows for flexibility in various applications.
• Built-in enable control (EN) pin enables easy on/off control of the regulator.
• Overcurrent protection safeguards the IC and connected devices from excessive current flow.
• Thermal shutdown protection prevents overheating and damage to the IC.

Advantages and Disadvantages

Advantages: - High efficiency leads to minimal power loss. - Small package size saves board space in compact designs. - Wide input voltage range accommodates diverse power sources. - Enable control simplifies power management.

Disadvantages: - Limited maximum output current may restrict usage in high-power applications. - Dropout voltage may affect performance in low-voltage systems.

Working Principles

The S-1135B14-U5T1U is a linear voltage regulator that utilizes a PNP transistor as the pass element. It operates by comparing the reference voltage with the feedback voltage, adjusting the pass element's resistance to maintain a stable output voltage. The enable control pin allows for easy on/off switching of the regulator.

Detailed Application Field Plans

The S-1135B14-U5T1U is suitable for various applications, including but not limited to: 1. Battery-powered devices: Provides regulated voltage for portable electronics such as smartphones, tablets, and wearables. 2. IoT devices: Ensures stable power supply for sensors, microcontrollers, and communication modules in Internet of Things applications. 3. Automotive electronics: Regulates voltage for automotive systems, including infotainment systems, lighting, and control modules. 4. Industrial equipment: Used in power supplies for industrial automation, control systems, and instrumentation. 5. Consumer electronics: Suitable for audio/video equipment, gaming consoles, and home appliances requiring stable power.

Detailed and Complete Alternative Models

1. S-1135B15-M5T1U: Similar specifications and pin configuration, but with a higher maximum output current of 300mA.
2. S-1135B13-U5T1U: Lower dropout voltage (150mV typical) compared to S-1135B14-U5T1U, suitable for low-voltage applications.
3. S-1135B16-U5T1U: Higher input voltage range (up to 18V) for applications requiring a wider voltage input range.

Note: These alternative models are provided as examples and may not cover all available options. Please refer to the manufacturer's documentation for a complete list of alternatives.

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