Manufacturer Part Number
MCP1799T-5002H/DB
Manufacturer
microchip-technology
Introduction
A high-voltage, low-dropout linear regulator designed for automotive applications, offering fixed output voltage and protection features.
Product Features and Performance
Low dropout voltage: 1.1V @ 80mA
High input voltage capability: up to 45V
Fixed output voltage: 5V
Output current capacity: 80mA
Low quiescent current: 45 µA
Power supply rejection ratio (PSRR): 70dB ~ 35dB across 100Hz to 100kHz
Overcurrent, overtemperature, and short circuit protection
Product Advantages
High input voltage range suitable for automotive and industrial applications
Low dropout voltage enables efficient use even at low voltage differentials
Minimal quiescent current enhances battery life in portable applications
Robust protection features ensure reliability under fault conditions
Key Technical Parameters
Voltage Input (Max): 45V
Voltage Output (Min/Fixed): 5V
Current Output: 80mA
Voltage Dropout (Max): 1.1V @ 80mA
Current Quiescent (Iq): 45 µA
PSRR: 70dB ~ 35dB (100Hz ~ 100kHz)
Operating Temperature: -40°C ~ 150°C (TJ)
Quality and Safety Features
AEC-Q100 qualified for automotive applications
Overcurrent, overtemperature, and short circuit protection mechanisms
Compatibility
Automotive-grade product suitable for high-reliability applications
Compatible with surface-mount technology (SMT) for easy PCB integration
Application Areas
Automotive electronics
Power management solutions for industrial applications
Battery-powered devices
Microcontroller power supply
Product Lifecycle
Current product status: Active
Not near discontinuation, ensuring long-term availability
Supports future-proof designs with availability of replacements or upgrades
Several Key Reasons to Choose This Product
High-voltage input capability allows flexibility in source selection
Low dropout helps maintain output regulation with minimal input-output differential
Extended temperature range (-40°C ~ 150°C) suitable for harsh environments
Low quiescent current ideal for battery-sensitive applications
Robust protection features ensure system reliability
AEC-Q100 qualification underscores suitability for automotive applications
