TC1303B-PF0EMF

Product Overview

• Category: Integrated Circuits
• Use: Power Management
• Characteristics:
  • Low Dropout Voltage Regulator
  • High Efficiency
  • Small Package Size
  • Low Quiescent Current
• 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: 300mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TC1303B-PF0EMF has a total of five pins:

1. VIN - Input voltage pin.
2. GND - Ground reference pin.
3. EN - Enable pin for turning the regulator on/off.
4. FB - Feedback pin for setting the output voltage.
5. VOUT - Output voltage pin.

Functional Features

• Low dropout voltage ensures efficient power conversion even with small input-output voltage differentials.
• High efficiency helps minimize power dissipation and maximize battery life.
• Small package size allows for space-saving designs in compact electronic devices.
• Low quiescent current reduces power consumption during standby or idle modes.

Advantages and Disadvantages

Advantages

• Wide input voltage range enables compatibility with various power sources.
• Adjustable output voltage provides flexibility for different applications.
• Excellent line and load regulation ensures stable output voltage under varying conditions.
• Thermal shutdown and current limit protection features enhance device reliability.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• SOT-23-5 package may require additional thermal management for dissipating heat.

Working Principles

The TC1303B-PF0EMF is a low dropout voltage regulator that regulates the input voltage to a stable output voltage. It utilizes a P-channel MOSFET pass element and a PMOS feedback amplifier to achieve high efficiency and low dropout voltage. The regulator operates in a continuous mode, providing a regulated output voltage even when the input voltage is close to or below the desired output voltage.

Detailed Application Field Plans

The TC1303B-PF0EMF is commonly used in various battery-powered portable electronic devices, such as:

1. Smartphones and tablets
2. Portable media players
3. Wearable devices
4. Wireless communication modules
5. IoT devices

Detailed and Complete Alternative Models

1. TC1303A-PF0EMF: Similar specifications and features, but with a fixed output voltage of 3.3V.
2. TC1303C-PF0EMF: Higher maximum output current of 500mA, suitable for more power-demanding applications.
3. TC1303D-PF0EMF: Lower quiescent current of 10µA, ideal for ultra-low power applications.

These alternative models provide options based on specific requirements and design constraints.

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