Manufacturer Part Number
LP590728QDQNRQ1
Manufacturer
Texas Instruments
Introduction
The LP590728QDQNRQ1 is a high-performance, AEC-Q100 qualified low drop-out (LDO) regulator designed for automotive applications, offering a fixed 2.8V output over a wide input range with excellent power supply rejection ratio (PSRR) and low quiescent current.
Product Features and Performance
AEC-Q100 qualified for automotive applications
Fixed 2.8V output voltage
Wide input voltage range up to 5.5V
Low dropout voltage: 0.25V @ 250mA
Low quiescent current: 25µA
High PSRR: 90dB to 60dB from 100Hz to 100kHz
Enable control feature for power savings
Over current, over temperature, and short circuit protection
Product Advantages
Enhanced reliability for automotive environments
Efficient power conversion with minimal loss
Extended battery life due to low quiescent current
High transient performance with excellent noise suppression
Easy power management with enable control
Robust protection features ensure long product lifecycle
Key Technical Parameters
Output Configuration: Positive
Output Type: Fixed
Number of Regulators: 1
Voltage Input (Max): 5.5V
Voltage Output (Min/Fixed): 2.8V
Voltage Dropout (Max): 0.25V @ 250mA
Current Output: 250mA
Current Quiescent (Iq): 25 µA
Current Supply (Max): 425 µA
PSRR: 90dB ~ 60dB (100Hz ~ 100kHz)
Operating Temperature: -40°C ~ 125°C (TJ)
Mounting Type: Surface Mount
Package / Case: 4-XDFN Exposed Pad
Supplier Device Package: 4-X2SON (1x1)
Quality and Safety Features
Over current, over temperature, and short circuit protections
Sturdy build quality for longer operational lifespan
Operationally tested in automotive temperature ranges
Compatibility
Compatible with a wide range of automotive electronic systems
Suited for 4-XDFN exposed pad mounting
Application Areas
Automotive systems
Power supply for microcontrollers, sensors, and communication modules
Product Lifecycle
Status: Active
Not near discontinuation, replacements or upgrades currently not needed
Several Key Reasons to Choose This Product
AEC-Q100 qualification signifies reliability in automotive applications
Low dropout voltage and quiescent current extend battery life
High PSRR ensures stable operation under varying input conditions
Robust protection mechanisms for increased safety and durability
Wide operating temperature range suitable for harsh automotive environments
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