GENERAL DESCRIPTION
It provides constant voltage power source. This regulator has various functions such as a peak current protection, a thermal shut down, a short circuit protect. The AX1209 is available in TO252-5L power package which features small size to reduce the junction-to-case resistance. FEATURES
- Operating voltage range: 7V~24V. - Adjustable Output Version - Low Dropout voltage: 1.1V (typical) at 2A Output Current. - Current-Limit and Thermal Shutdown Protection. - Short circuit protection. - Shutdown function. - Built internal driver. - TO252-5L Pb-Free Package. BLOCK DIAGRAM VCC Driver Current Limit + Error Amp VOUT COMP/SD Compensation/ Shutdown FB Vref=1.25V + Thermal Shutdown GND 0.25V - 1/9 Axelite Confidential Materials, do not copy or distribute without written consent. Rev.1.1 Jun.22, 2010 AX1209 PIN ASSIGNMENT The package of AX1209 is TO252-5L; the pin assignment is given by: Name VCC GND ( Side View ) ( Top View ) Metal Tab GND 5 FB 4 COMP/SD 3 GND 2 VOUT 1 VCC TO252-5L DESCRIPTION
Operating voltage input Ground pin Feedback pin Compensation pin with shutdown function.
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