AX1204

AX1204 1A Ultra Low Dropout Linear Regulator  GENERAL DESCRIPTION The AX1204 is a low-dropout voltage regulator suitable for various electronic equipments. It provides constant voltage power source. The dropout voltage of AX1204 is below 0.15 V in full rated current (1A). This regulator has various functions such as a peak current protection, a thermal shut down, a short circuit protect. The AX1204 is available in SOP-8L power package which features small size to reduce the junction-to-case resistance, being applicable in 0.1~1.6W applications.  FEATURES - Ultra Low Dropout - 0.15V(typical) at 1A Output Current - Adjustable mode: 1.22V Reference Voltage - Fixed mode:2.5V, 3.3V, 5V output voltage - Operating voltage can be up to 12V. - Current-Limit and Thermal Shutdown Protection - Short circuit protection, Enable function. € - Built-in internal SW P-channel `RyÑb MOS - SOP-8L Pb-Free Package. VÛm w  BLOCK DIAGRAM w VCC 10uA tec o f .go w w o h.c m OUT Current Limit EN 7V - + Error Amp FB Enable Vref=1.22V Thermal Shutdown GND 1/7 Axelite Confidential Materials, do not copy or distribute without written consent. Rev.1.4 Jun.22, 2010 AX1204  PIN ASSIGNMENT The package of AX1204 is SOP-8L; the pin assignment is given by: ( Top View ) GND FB EN Vcc 1 AX1204 8 7 6 5 SOP-8L OUT OUT OUT OUT 2 3 4 Name Description FB Feedback pin Enable input, it is pull-high typically. Drive EN high or floating EN to turn on the regulator, driver it low to turn it off. VCC I...