Manufacturer Part Number
MCP1799-3302H/DB
Manufacturer
Microchip Technology
Introduction
The MCP1799-3302H/DB is a high-performance, automotive-grade, low dropout voltage regulator designed to deliver a fixed output of 3.3V.
Product Features and Performance
Fixed output voltage of 3.3V
Maximum input voltage of 45V
Low dropout voltage of 1.1V at 80mA load
Current output capability of 80mA
Quiescent current of 45 µA
Supply current of up to 110 µA
Power Supply Rejection Ratio (PSRR) between 70dB and 35dB across 100Hz to 100kHz frequency range
Automotive-grade reliability and performance
Product Advantages
High tolerance for input voltage fluctuations
Low quiescent current enhances power efficiency
Strong PSRR ensures stable output despite noise in input power
Protection against overcurrent, overtemperature, and short circuit conditions, ensuring safe operation
Key Technical Parameters
Output Voltage: 3.3V (Fixed)
Input Voltage (Max): 45V
Voltage Dropout (Max): 1.1V @ 80mA
Output Current: 80mA
Quiescent Current (Iq): 45 µA
Supply Current (Max): 110 µA
Power Supply Rejection Ratio (PSRR): 70dB ~ 35dB (100Hz ~ 100kHz)
Quality and Safety Features
Protected against overcurrent, overtemperature, and short circuit
Compliant with AEC-Q100 automotive qualification
Compatibility
Compatible with a variety of automotive applications due to its robust operating temperature range and high-reliability standards
Application Areas
Automotive electronics
Power management solutions where space and power efficiency are critical
Product Lifecycle
Status: Active
The product is currently active and not nearing discontinuation. Ongoing availability, with upgrades or replacements not announced.
Several Key Reasons to Choose This Product
High input voltage capacity suitable for diverse automotive and industrial applications
Low dropout feature ensures efficient operation even at lower differences between input and output voltages
Advanced protection features safeguard the system from electrical irregularities, promoting durability and reliability
Low quiescent current aids in reducing energy consumption when in idle state
Extensive compatibility with high operating temperature range and AEC-Q100 qualification caters specifically to stringent automotive industry requirements
Exceptional power supply noise rejection maintains stable operation in noisy environments