TC1303B-ZS0EUN

Product Overview

• Category: Integrated Circuit
• Use: Power Management
• Characteristics: High Efficiency, Low Quiescent Current
• Package: SOT-23
• Essence: Voltage Regulator
• 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
• Output Current: Up to 500mA
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TC1303B-ZS0EUN has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. VOUT: Output voltage pin

Functional Features

• High efficiency voltage regulation
• Low quiescent current for power-saving applications
• Wide input voltage range for versatility
• Adjustable output voltage through external resistors
• Overcurrent and thermal protection

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption
• Low quiescent current prolongs battery life
• Wide input voltage range allows for flexibility in power sources
• Adjustable output voltage provides customization options
• Built-in protection features enhance reliability

Disadvantages

• Limited output current may not be suitable for high-power applications
• SOT-23 package may require additional heat dissipation measures in certain scenarios

Working Principles

The TC1303B-ZS0EUN is a voltage regulator that takes an input voltage within the range of 2.5V to 6.0V and provides a regulated output voltage between 1.2V and 5.5V. It achieves this through an internal control circuit that adjusts the duty cycle of an integrated switch, ensuring a stable output voltage despite variations in input voltage and load conditions.

The enable pin (EN) allows for easy on/off control of the regulator, while the feedback pin (FB) provides a means to adjust the output voltage using external resistors. The device also incorporates overcurrent and thermal protection mechanisms to safeguard against potential damage.

Detailed Application Field Plans

The TC1303B-ZS0EUN is commonly used in various battery-powered applications, such as portable electronic devices, IoT devices, and wireless sensors. Its high efficiency and low quiescent current make it suitable for energy-conscious designs where power consumption is critical. The adjustable output voltage further enhances its versatility, allowing it to be used in a wide range of applications.

Detailed and Complete Alternative Models

• TC1303A-ZS0EUN: Similar to TC1303B-ZS0EUN, but with a different output voltage range (1.2V to 3.3V).
• TC1303C-ZS0EUN: Similar to TC1303B-ZS0EUN, but with a different output voltage range (1.2V to 2.8V).
• TC1303D-ZS0EUN: Similar to TC1303B-ZS0EUN, but with a different output voltage range (1.2V to 4.2V).

These alternative models provide options for different output voltage requirements while maintaining similar characteristics and features.

In conclusion, the TC1303B-ZS0EUN is a highly efficient voltage regulator with a wide input voltage range and adjustable output voltage. Its low quiescent current and built-in protection features make it suitable for various battery-powered applications. While it has limitations in terms of output current and package type, it offers a reliable solution for power management needs.