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The LP38501TSX-ADJ/NOPB is a high-performance, 3A output capability low dropout linear regulator from Texas Instruments. Featuring an adjustable output voltage design, this device can deliver up to 3A of continuous output current with extremely low dropout voltage. With its low quiescent current, high power supply rejection ratio, and wide operating temperature range, it is particularly suitable for industrial control, communications equipment, and automotive electronic systems with stringent requirements for power consumption and space.
Category:Integrated Circuits (ICs);Power Management (PMIC);Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
Mfr:Texas Instruments
Packaging:Tape & Reel (TR);Cut Tape (CT)
Part Status:Active
Number of Regulators:1
Voltage - Input (Max):5.5V
Voltage - Output (Min/Fixed):0.6V
Voltage - Output (Max):5V
Voltage Dropout (Max):0.67V @ 3A
Current - Output:3A
Current - Quiescent (Iq):15 µA
Current - Supply (Max):4 mA
PSRR:58dB ~ 56dB (120Hz ~ 1kHz)
Operating Temperature:-40°C ~ 125°C
Mounting Type:Surface Mount
Package / Case:TO-263-6, D2PAK (5 Leads + Tab), TO-263BA
Supplier Device Package:TO-263 (DDPAK-5)
Base Product Number:LP38501
High Output Current Capability: Supports up to 3A continuous output current, suitable for powering high-power loads such as FPGAs, DSPs, and processors.
Ultra-Low Dropout Design: Maximum dropout voltage of only 0.67V at 3A load, improving power conversion efficiency and reducing heat dissipation requirements.
Wide Output Voltage Range: Adjustable output from 0.6V to 5V, compatible with various core voltages and I/O voltage requirements.
Low Quiescent Current: Only 15 µA quiescent current, significantly reducing standby power consumption for battery-powered applications.
Excellent PSRR Performance: Provides over 56dB power supply rejection ratio across a wide frequency range, effectively filtering input power noise.
Comprehensive Protection Features: Built-in overcurrent protection and thermal shutdown ensure safe operation under abnormal conditions.
Wide Operating Temperature Range: Supports -40°C to 125°C operation, meeting industrial and automotive application requirements.
FPGA, DSP & Processor Power Supply: Provides stable core voltage for high-end FPGAs, digital signal processors, and multi-core application processors.
Industrial Automation & Control: Serves as local power regulation in PLCs, industrial PCs, robot controllers, and CNC systems for powering sensors, interfaces, and logic circuits.
Communications Infrastructure: Supplies low-noise power for RF modules, data converters, and clock circuits in base stations, routers, switches, and optical network equipment.
Automotive Electronic Systems: Powers sensitive analog and digital circuits in in-vehicle infotainment, ADAS, and body control modules.
Test & Measurement Equipment: Provides low-noise, high-precision power rails for oscilloscopes, signal generators, and data acquisition systems.
Battery-Powered Devices: Acts as an efficient power converter in portable instruments, medical devices, and handheld terminals, extending battery life.
The LP38501TSX-ADJ/NOPB from Texas Instruments is a high-performance LDO regulator that combines high current capability, low dropout, and low power consumption. Its 3A output capability, wide output voltage range, low quiescent current, and excellent PSRR performance make it an ideal choice for implementing efficient, reliable power management in FPGA power supplies, industrial control, communications equipment, and automotive electronic systems.
Industry Information
