Manufacturer Part Number
LP38842MR-ADJ
Manufacturer
texas-instruments
Introduction
An obsolete power management integrated circuit (PMIC) focusing on low-dropout linear voltage regulation.
Product Features and Performance
Adjustable output voltage from 0.56V to 1.5V.
Supports up to 1.5A output current.
Low dropout voltage: 0.115V at 1.5A load.
Quiescent current of 30 µA, minimizing standby power consumption.
Supply current maximum of 40 mA.
Power Supply Rejection Ratio (PSRR) ranges from 58dB to 80dB across 120Hz to 1kHz frequencies, ensuring stable operation against supply noise.
Includes enable control feature for power-saving mode.
Product Advantages
Highly suitable for battery-powered applications due to low dropout and quiescent currents.
Adjustable output provides flexibility for various application needs.
Built-in protection features enhance device safety and longevity.
The compact 8-PowerSOIC package with PowerPad improves thermal performance.
Key Technical Parameters
Voltage - Input (Max): 5.5V
Voltage - Output (Min/Fixed): 0.56V
Voltage - Output (Max): 1.5V
Voltage Dropout (Max): 0.115V @ 1.5A
Current - Output: 1.5A
Current - Quiescent (Iq): 30 µA
Current - Supply (Max): 40 mA
PSRR: 58dB ~ 80dB (120Hz ~ 1kHz)
Quality and Safety Features
Over Current Protection
Over Temperature Protection
Short Circuit Protection
Compatibility
Compatible with surface mount technology for PCB integration.
Application Areas
Designed for low-power, battery-operated electronics.
Optimal for portable devices where power efficiency is critical.
Product Lifecycle
Obsolete - Consideration for new designs should include looking for current or upcoming replacements or upgrades.
Several Key Reasons to Choose This Product
Low dropout voltage and quiescent current cater to efficient power management.
The adjustable output voltage offers versatility across various applications.
Integrated protection features ensure reliability and device safety.
Compact packaging suitable for space-constrained applications.
Despite obsolescence, it remains a viable option for maintaining or repairing existing equipment or prototypes.
LP3883ET-1.5NS