CPDH3V3UP
Product Overview
- Category: Voltage Regulator
- Use: Regulating voltage from a higher input to a stable 3.3V output
- Characteristics: Low dropout, high accuracy, low quiescent current
- Package: TO-220, SOT-223
- Essence: Provides stable 3.3V output from higher input voltages
- Packaging/Quantity: Typically available in reels of 250 or 500 units
Specifications
- Input Voltage Range: 4V to 18V
- Output Voltage: 3.3V
- Maximum Output Current: 500mA
- Dropout Voltage: 300mV at 500mA
- Quiescent Current: 75µA
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
- VIN: Input voltage
- GND: Ground
- VOUT: Output voltage
Functional Features
- Low Dropout: Allows for regulation with minimal voltage loss
- High Accuracy: Provides precise 3.3V output
- Low Quiescent Current: Minimizes power consumption when not delivering load current
Advantages and Disadvantages
Advantages
- Efficient voltage regulation
- Wide input voltage range
- Low quiescent current for battery-powered applications
Disadvantages
- Limited maximum output current
- Higher dropout voltage compared to some alternatives
Working Principles
The CPDH3V3UP utilizes a voltage reference and error amplifier to compare the output voltage to a stable reference. It then adjusts the pass transistor to maintain a constant 3.3V output, compensating for changes in input voltage and load.
Detailed Application Field Plans
- Battery-Powered Devices: Ideal for portable electronics requiring stable 3.3V supply
- Embedded Systems: Suitable for microcontroller and sensor applications
- Automotive Electronics: Can be used in vehicle systems requiring regulated voltage
Detailed and Complete Alternative Models
- LM2937-3.3: Similar low dropout regulator with 3.3V output
- XC6206P332MR: Low dropout regulator with 3.3V output and smaller package size
This completes the entry for CPDH3V3UP, covering its product details, specifications, features, and application considerations within the specified word count.