TC1303B-DG0EMF

Product Overview

• Category: Integrated Circuit
• Use: Power Management
• Characteristics: Low Dropout Linear Regulator
• Package: SOT-23-5
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 250mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 40µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TC1303B-DG0EMF 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: EN (Enable)
4. Pin 4: VOUT (Output Voltage)
5. Pin 5: BYP (Bypass Capacitor)

Functional Features

• Low dropout voltage for efficient power management.
• Wide input voltage range allows flexibility in various applications.
• Enable pin for easy on/off control.
• Overcurrent and thermal protection for enhanced reliability.
• Low quiescent current for power-saving operation.

Advantages and Disadvantages

Advantages

• High efficiency due to low dropout voltage.
• Compact SOT-23-5 package for space-constrained designs.
• Wide input voltage range enables versatile applications.
• Overcurrent and thermal protection enhance device durability.
• Low quiescent current prolongs battery life.

Disadvantages

• Maximum output current limited to 250mA.
• Dropout voltage of 200mV may not be suitable for ultra-low power applications.

Working Principles

The TC1303B-DG0EMF is a low dropout linear regulator that regulates the output voltage based on the input voltage. It operates by comparing the output voltage with a reference voltage and adjusting the pass transistor accordingly. This ensures a stable output voltage even when the input voltage fluctuates.

Detailed Application Field Plans

The TC1303B-DG0EMF can be used in various applications, including but not limited to:

1. Battery-powered devices: Provides regulated voltage for microcontrollers, sensors, and other components.
2. Portable audio players: Ensures stable power supply for audio amplifiers and digital-to-analog converters.
3. Wearable devices: Regulates voltage for sensors, displays, and wireless communication modules.
4. Industrial automation: Suitable for powering control systems, motor drivers, and sensors.
5. Automotive electronics: Provides regulated voltage for infotainment systems, lighting, and sensors.

Detailed and Complete Alternative Models

1. TC1303A-DG0EMF: Similar specifications, but with a different package (SOT-23-6).
2. TC1303C-DG0EMF: Higher maximum output current (500mA), otherwise similar specifications.
3. TC1303D-DG0EMF: Lower dropout voltage (150mV), otherwise similar specifications.

These alternative models offer similar functionality and can be considered as substitutes for the TC1303B-DG0EMF depending on specific requirements.

In conclusion, the TC1303B-DG0EMF is a low dropout linear regulator integrated circuit designed for efficient power management. Its compact size, wide input voltage range, and various protection features make it suitable for a wide range of applications. However, its limited maximum output current and dropout voltage may restrict its use in certain scenarios.