Microchip Technology MCP1703AT-3302E/CB

The MCP1703AT-3302E/CB is a low-dropout (LDO) linear voltage regulator manufactured by Microchip Technology. It provides a regulated output voltage of 3.3V and is ideal for various applications that require stable voltage supply with low noise and low ripple. Functions 1. Voltage Regulation: The MCP1703 maintains a constant output voltage of 3.3V. 2. Low Dropout Operation: With a low dropout voltage, it can operate effectively even when the input supply voltage is only slightly higher than the output voltage. 3. Current Output: It can deliver up to 250 mA of output current. 4. Protection Features: It includes thermal shutdown and current limiting features for protection against overload conditions. Applications - Battery-powered devices - Microcontroller power supply - Sensor power supply - Portable devices - Power management applications Alternative Parts Here are a few alternative LDO regulators that you might consider: 1. MCP1700: Similar series with different output voltage options. 2. LM1117-3.3: Another LDO with similar output characteristics and slightly higher current capability. 3. LT1763: Low noise high accuracy LDO with also a 3.3V output. Embedded Modules There are a variety of embedded modules that can be paired with LDO regulators like MCP1703AT-3302E/CB for improved power management: - Microcontroller Development Boards: Such as Arduino, PIC, etc., where stable voltage is crucial. - Sensor Modules: Many sensor modules require a 3.3V power supply for their optimal performance. - Wireless Communication Modules: Such as Wi-Fi or Bluetooth modules which may need consistent power. Related Q&A Q1: What is the dropout voltage of the MCP1703AT-3302E/CB? A1: The MCP1703AT-3302E/CB has a low dropout voltage of approximately 178 mV at 250 mA output current. Q2: Can the MCP1703AT-3302E/CB handle varying input supply voltages? A2: Yes, it can accept input voltages ranging from 3V to 12V, making it versatile for various applications. Q3: How should I configure the MCP1703AT-3302E/CB in my circuit? A3: You should connect the input supply to the VIN pin, and use a capacitor (typically 10µF or 1µF) at the output to ensure stability and minimize noise. Q4: Is it possible to use multiple MCP1703AT-3302E/CB regulators in parallel? A4: It is generally not recommended to connect LDO regulators in parallel without additional circuitry, as uneven load sharing could occur. Q5: What are the thermal characteristics of the MCP1703AT-3302E/CB? A5: The MCP1703AT-3302E/CB has built-in thermal shutdown protection and can operate in environments with temperatures ranging from -40°C to +125°C.