Manufacturer Part Number
LP3985IM5X-3.3
Manufacturer
Texas Instruments
Introduction
The LP3985IM5X-3.3 is a Low Dropout (LDO) linear regulator optimized for power management.
Product Features and Performance
Fixed output voltage of 3.3V
Maximum Input Voltage of 6V
Low dropout voltage of 0.1V at 150mA load
Output current of 150mA
Quiescent Current of 150 µA
Supply Current up to 250 µA
PSRR of 50dB to 40dB between 1kHz to 10kHz
Control features include Enable function
Protection against Over Current, Over Temperature, and Short Circuit
Product Advantages
Precision output voltage ensures reliable operation
Low quiescent current enhances battery life
Integrated protection features safeguard the component and downstream circuits
Compact SOT-23-5 package suitable for space-constrained applications
Key Technical Parameters
Output Voltage: 3.3V
Input Voltage (Max): 6V
Dropout Voltage (Max): 0.1V @ 150mA
Output Current: 150mA
Quiescent Current: 150 µA
Supply Current (Max): 250 µA
PSRR: 50dB ~ 40dB (1kHz ~ 10kHz)
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Over Current Protection
Over Temperature Protection
Short Circuit Protection
Compatibility
Compatible with surface mount technology (SMT)
Mounting Type: Surface Mount
Package / Case: SC-74A, SOT-753
Application Areas
Ideal for battery-powered devices
Suitable for mobile phones, PDAs, and other portable electronics
Product Lifecycle
Status: Obsolete
Consider upgrading to newer LDO regulators for enhanced features and prolonged support
Several Key Reasons to Choose This Product
Reliable fixed voltage output for consistent performance
Low dropout voltage aids in maintaining efficiency
High level of integration lowers system complexity and cost
Robust temperature and current protection increase longevity and reliability
Small package size fits perfectly in compact electronic assemblies
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