TPS737-Q1

Product Folder Order Now Technical Documents Tools & Software Support & Community TPS737-Q1 SBVS123B – DECEMBER 2008 – REVISED SEPTEMBER 2019 TPS737-Q1 1-A Low-Dropout Regulator With Reverse Current Protection 1 Features 1 Qualified for automotive applications AEC-Q100 qualified with the following results: – Device temperature grade 1: –40°C to 125°C ambient operating temperature range – Device HBM ESD classification level 2 – Device CDM ESD classification level C4A Stable with 1-µF or larger ceramic output capacitor Input voltage range: 2.2 V to 5.5 V Ultra-low dropout voltage: 130 mV (typical) at 1 A Excellent load transient response, even with only 1-µF output capacitor NMOS topology delivers low reverse leakage current 1% initial accuracy 3% overall accuracy over line, load, and temperature Less than 20-nA (typical) quiescent current in shutdown mode Thermal shutdown and current limit for fault protection Available in multiple output voltage versions 2 Applications Point of load regulation for DSPs, FPGAs, ASICs, and microprocessors Post-regulation for switching supplies Portable and battery-powered equipment 3 Description The TPS737xx-Q1 family of linear low-dropout (LDO) voltage regulators uses an NMOS pass element in a voltage-follower configuration. This topology is relatively insensitive to output capacitor value and ESR, allowing a wide variety of load configurations. Load transient response is excellent, even with a small 1-µF c...