Manufacturer Part Number
LP590712QDQNRQ1
Manufacturer
Texas Instruments
Introduction
The LP590712QDQNRQ1 is a high-performance, automotive-grade low dropout (LDO) linear voltage regulator.
Product Features and Performance
Regulated 1.2V output at up to 250mA
Very low dropout voltage of 0.25V at 250mA
High PSRR: 90dB ~ 60dB from 100Hz to 100kHz
Stable with ceramic capacitors
Low quiescent current of 25 µA
Enable pin for on/off control
Product Advantages
High-efficiency power conversion
Low-power operation extending battery life
Good noise rejection capabilities with high PSRR
Thermal and overcurrent protection for increased safety
Easy integration due to compact 4-X2SON package
Key Technical Parameters
Voltage - Input (Max): 5.5V
Voltage - Output (Min/Fixed): 1.2V
Current - Output: 250mA
Voltage Dropout (Max): 0.25V @ 250mA
Current - Quiescent (Iq): 25 µA
PSRR: 90dB ~ 60dB (100Hz ~ 100kHz)
Operating Temperature Range: -40°C ~ 125°C
Quality and Safety Features
AEC-Q100 qualified for automotive applications
Overcurrent protection
Overtemperature protection
Short circuit protection
Compatibility
Surface mount compatible
Compatible with ceramic capacitors
Designed to meet automotive requirements
Application Areas
Automotive power supplies
Power management for infotainment systems
Industrial and portable applications
Telematics and power supplies for sensors and cameras
Product Lifecycle
Active product with ongoing manufacturer support
Not nearing discontinuation
Replacement and upgrade options available through Texas Instruments
Key Reasons to Choose This Product
High-reliability LDO suitable for demanding automotive environments
Low dropout performance for efficient use in low-voltage applications
Robust thermal and current protection features ensuring device longevity
The wide operating temperature range makes it suitable for various climates and conditions
High PSRR enhancing system performance by minimizing power supply noise
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