Manufacturer Part Number
LP590745QDQNRQ1
Manufacturer
Texas Instruments
Introduction
The LP590745QDQNRQ1 is a low dropout (LDO) regulator designed specifically for automotive applications, meeting the AEC-Q100 standards.
Product Features and Performance
Positive output configuration with fixed output type
Supports a maximum input voltage of 5.5V
Delivers a minimum/fixed output voltage of 4.5V
Maximum voltage dropout of 0.25V at 250mA load
Output current capacity of 250mA
Low quiescent current of 25 µA
Maximum supply current of 425 µA
Excellent power supply rejection ratio (PSRR): 90dB to 60dB from 100Hz to 100kHz
Integrated control features including enable pin
Protection features include overcurrent, overtemperature, and short circuit protection
Product Advantages
High reliability and performance under automotive environmental conditions
Low dropout voltage enhances efficiency
Robust protection features safeguard against common fault conditions
Key Technical Parameters
Voltage Input (Max): 5.5V
Voltage Output (Min/Fixed): 4.5V
Voltage Dropout (Max): 0.25V @ 250mA
Current Output: 250mA
PSRR: 90dB ~ 60dB (100Hz ~ 100kHz)
Quality and Safety Features
Overcurrent, overtemperature, and short circuit protections
Operates effectively from -40°C to 125°C
AEC-Q100 certified for automotive applications
Compatibility
Surface mount compatible
Packaged in a 4-XDFN exposed pad
Compatible with 4-X2SON (1x1) device packages
Application Areas
Automotive systems
Electronic control units
Power supply modules
Product Lifecycle
Currently active product status
Not nearing discontinuation with reliable supply chain
Replacement or upgrades can be sourced within the Texas Instruments portfolio
Several Key Reasons to Choose This Product
Designed to meet stringent automotive quality standards (AEC-Q100 certification)
Low dropout voltage ensures high efficiency
Strong PSRR prevents noise in power-sensitive circuits
Minimal Iq reduces power wastage when idle
Comprehensive protection features enhance the durability and longevity under harsh conditions
Wide operating temperature range suitable for diverse automotive environments
LP5907MF-1.2Texas Instruments