Manufacturer Part Number
LP2985A-18DBVR
Manufacturer
Texas Instruments
Introduction
The LP2985A-18DBVR is a low-dropout (LDO) linear voltage regulator designed for power-sensitive applications, providing a stable and precise 1.8V output from a higher voltage supply.
Product Features and Performance
Low dropout voltage: 0.58V @ 150mA
Stable output voltage: 1.8V
Output current up to 150mA
Quiescent current: 95 µA
Maximum supply current: 2.5 mA
Power supply rejection ratio (PSRR): 45dB at 1kHz
Has enable control feature for better power management
Incorporates protection features for overcurrent, overtemperature, and short circuit conditions
Product Advantages
High efficiency for battery-powered devices
Precision output voltage ensures reliable operation for sensitive electronics
Low quiescent current extends battery life
Protection features safeguard the device and the load from various fault conditions
Enable feature allows the user to turn the regulator on or off as needed
Key Technical Parameters
Voltage Input (Max): 16V
Voltage Output (Min/Fixed): 1.8V
Current Output: 150mA
Voltage Dropout (Max): 0.58V
Current Quiescent (Iq): 95 µA
PSRR: 45dB (1kHz)
Quality and Safety Features
Overcurrent protection
Overtemperature protection
Short circuit protection
Compatibility
The design allows for surface mount technology, making it suitable for a wide range of PCB designs.
Package / Case: SC-74A, SOT-753
Application Areas
Mobile phones
Handheld gaming devices
Portable media players
Wireless peripherals
Battery-powered equipment
Product Lifecycle
Status: Active
Not near discontinuation, ensuring long-term availability. Replacements or upgrades should not be a concern for the foreseeable future.
Several Key Reasons to Choose This Product
The LP2985A-18DBVR’s low dropout enables its use in low-voltage applications where minimal power loss is critical.
Ultra-low quiescent current makes it ideal for battery-operated devices, extending operational life.
Comprehensive protection features ensure safety and reliability under adverse conditions.
Texas Instruments' reputation for quality and the product's active status assure ongoing support and availability.
Easy integration into various designs due to its compact SOT-23-5 package and surface-mount compatibility.
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