S-1133B49-I8T1U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Low Dropout Voltage Regulator
• Package: SOT-89-5
• Essence: Voltage Regulator IC
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 1.0A
• Dropout Voltage: 200mV (typical) at 500mA
• Quiescent Current: 45µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1133B49-I8T1U has a total of five pins arranged as follows: 1. VIN: Input voltage pin 2. GND: Ground pin 3. VOUT: Output voltage pin 4. CE: Chip enable pin 5. NC: No connection pin

Functional Features

• Low dropout voltage: Ensures stable output voltage even when the input voltage is close to the desired output voltage.
• Low quiescent current: Minimizes power consumption in standby or low-load conditions.
• Overcurrent protection: Safeguards the circuit by limiting the output current to a safe level.
• Thermal shutdown protection: Prevents damage due to excessive temperature by shutting down the regulator temporarily.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows for flexibility in various applications. - Low dropout voltage ensures efficient power conversion. - Small package size enables space-saving designs. - Overcurrent and thermal shutdown protection enhance system reliability.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Operating temperature range may restrict usage in extreme environments.

Working Principles

The S-1133B49-I8T1U is a low dropout voltage regulator that maintains a stable output voltage by regulating the input voltage. It utilizes an internal reference voltage and feedback loop to adjust the output voltage according to the load conditions. The regulator operates in linear mode, dissipating excess power as heat to maintain the desired output voltage.

Detailed Application Field Plans

The S-1133B49-I8T1U is commonly used in various electronic devices and systems, including: - Battery-powered devices: Portable electronics, handheld instruments, and wireless communication devices. - Automotive applications: Infotainment systems, navigation units, and engine control modules. - Industrial equipment: Sensors, actuators, and control systems. - Consumer electronics: Set-top boxes, routers, and gaming consoles.

Detailed and Complete Alternative Models

• S-1133B49-I6T1U: Similar specifications but with a different package (SOT-23-5).
• S-1133B49-I5T1U: Similar specifications but with a different package (SOT-25).

Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's documentation for a complete list of alternatives.

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