Holtek Semiconductor HT7333-A

The Holtek HT7333-A is a linear voltage regulator designed for various applications requiring stable output voltage. It provides a regulated output of 3.3V with a maximum output current of 300mA. With low dropout voltage, it is suitable for battery-powered devices, helping prolong battery life and enhance efficiency. Functions - Voltage Regulation: Provides a fixed 3.3V output suitable for powering microcontrollers and digital circuits. - Low Dropout: Operates efficiently even when input voltage is close to the output voltage. - Overcurrent Protection: Ensures safety by limiting current to the specified maximum. - Thermal Protection: Protects the device from overheating conditions. Applications - Battery-powered electronics (e.g., portable devices, wearables) - Microcontroller and digital circuit power supply - Wireless communication devices - Sensor and data acquisition systems - Automotive electronics Alternative Parts - LM1117-3.3: A popular adjustable and fixed low dropout linear regulator option from Texas Instruments with similar specifications. - MIC5205: A low dropout voltage regulator from Microchip providing 3.3V output, suitable for similar applications. - LD1117-3.3: Another alternative from STMicroelectronics with similar voltage and current capabilities. Embedded Modules For designs that integrate the HT7333-A regulator, there might be several embedded modules that can incorporate this IC: - Development Boards: Many development boards for microcontrollers may include an HT7333-A or similar regulator for powering peripherals. - Sensor Modules: Modules that require a 3.3V supply can use HT7333-A to ensure stable performance. - IoT Platforms: Some IoT development platforms may include the HT7333-A for power management, especially in low-power applications. Related Q&A 1. Q: What is the maximum output current for the HT7333-A? - A: The HT7333-A can provide a maximum output current of 300mA. 2. Q: In which applications is the HT7333-A typically used? - A: The HT7333-A is commonly used in battery-powered electronics, microcontroller power supplies, wireless communication devices, and automotive electronics. 3. Q: What is the dropout voltage of the HT7333-A? - A: The HT7333-A has a low dropout voltage, making it suitable for applications where the input voltage is close to the output voltage (typically around 300mV for a 300mA load). 4. Q: Are there any safety features in the HT7333-A? - A: Yes, the HT7333-A includes overcurrent protection and thermal protection to safeguard against potential damage. 5. Q: Can the HT7333-A be used in IoT applications? - A: Yes, the HT7333-A is suitable for IoT applications, providing stable power to sensors and microcontrollers commonly used in such devices.