GENERAL DESCRIPTION
AX1117 is guaranteed to have lower than 1.4V dropout at full load current making it ideal to provide well-regulated outputs of 1.25 to 5.0 with 6.4V to 12V input supply. FEATURES
1.4V maximum dropout at full load current Fast transient response Output current limiting Built-in thermal shutdown Good noise rejection 3-Terminal Adjustable or Fixed 1.5V, 1.8V, 2.5V, 3.3V, 5.0V Packages: SOT223, TO252 BLOCK DIAGRAM VÛmw`R●yÑb€ Vin 3 2 Vout w.goftechm + + CURRENT LIMIT 1.25V + 1 + Thermal Shutdown GND (FIXED) - 1 Adj 1/7 Axelite Confidential Materials, do not copy or distribute without written consent. Rev.1.9 Jun.17, 2010 AX1117 PIN ASSIGNMENT The packages of AX1117 are SOT223 and TO252; the pin assignment is given by: SOT223 ( Top View ) 3 2 1 Tab is VOUT TO252 ( Top View ) 3 2 1 Tab is VOUT VIN VOUT Adj (GND) Name VIN VOUT Adj (GND) DESCRIPTION
A resistor divider from this pin to the VOUT Adj pin and ground sets the output voltage. (GND) (Ground only for Fixed-Mode) The output of the regulator.