TPS73250

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS732 SBVS037P – AUGUST 2003 – REVISED DECEMBER 2015 TPS732xx Capacitor-Free, NMOS, 250-mA Low-Dropout Regulator With Reverse Current Protection 1 Features 1 Stable with No Output Capacitor or Any Value or Type of Capacitor Input Voltage Range: 1.7 V to 5.5 V Ultralow Dropout Voltage: 40 mV Typical at 250 mA Excellent Load Transient Response—With or Without Optional Output Capacitor NMOS Topology Provides Low Reverse Leakage Current Low Noise: 30 μVRMS Typical (10 kHz to 100 kHz) 0.5% Initial Accuracy 1% Overall Accuracy (Line, Load, and Temperature) Less Than 1-μA Maximum IQ in Shutdown Mode Thermal Shutdown and Specified Min and Max Current Limit Protection Available in Multiple Output Voltage Versions – Fixed Outputs of 1.2 V to 5 V – Adjustable Outputs from 1.2 V to 5.5 V – Custom Outputs Available 2 Applications Portable and Battery-Powered Equipment Post-Regulation for Switching Supplies Noise-Sensitive Circuitry such as VCOs Point-of-Load Regulation for DSPs, FPGAs, ASICs, and Microprocessors 3 Description The TPS732 family of low-dropout (LDO) voltage regulators uses an NMOS pass element in a voltagefollower configuration. This topology is stable using output capacitors with low equivalent series resistance (ESR), and even allows operation without a capacitor. The device also provides high reverse blockage (low reverse current) and ground pin curre...