BAST / BASFP series Regulator ICs Regulator, low drop-out type with ON/OFF switch BAST / BASFP series The BAST and BASFP series are variable, fixed output low drop-out type voltage regulators with an ON/OFF switch. These regulators are used to provide a stabilized output voltage from a fluctuating DC input voltage. Fixed output voltages are 3.3V, 5V, 6V(SFP), 7V, 8V, 9V, 10V(ST), 12V(ST). The maximum current capacity is 1 A for each of the above voltages. Application Constant voltage power supply Features 1) Built-in overvoltage protection circuit, overcurrent protection circuit and thermal shutdown circuit 2) TO220FP-5, TO252-5 standard packages can be accomodated in wide application. 3) 0 A (design value) circuit current when switch is off 4) Richly diverse lineup. 5) Low minimum I/O voltage differential. Product codes Output voltage (V) Product No. Output voltage (V) Product No. Variable BA00AST / ASFP 8.0 BA08ST / SFP 3.3 BA033ST / SFP 9.0 BA09ST / SFP 5.0 BA05ST / SFP 10.0 BA10ST 6.0 BA06SFP 12.0 BA12ST 7.0 BA07ST / SFP Absolute maximum ratings (Ta=25C) Parameter Symbol Limits Unit Power supply voltage VCC 35 V *1 2000 TO220FP-5 Power dissipation Pd mW *2 TO252-5 1000 Operating temperature Topr -40~+85 C Storage temperature Tstg -55~+150 C *3 Peak applied voltage Vsurge 50 V *1 Reduced by 16mW for each increase in Ta of 1C over 25C. *2 Reduced by 8mW for each increase in Ta of 1C over 25C. *3 Voltage application time : 200 msec. or less 1/11 BAST / BASFP series Regulator ICs Block diagram VCC REFERENCE 2 VOLTAGE OUT + 4 + CTL 5 1 C GND 3 Variable output type (BA00AST / ASFP) VCC REFERENCE 2 VOLTAGE OUT + 4 + CTL 1 GND 3 Fixed output type Pin descriptions Pin No. Pin name Function 1 CTL Output ON/OFF 2VCC Power supply input 3 GND Ground 4 OUT Output Reference power supply pin for setting voltage with C the BA00AST/ASFP. 5 In the BAOOST/SFP Series, these are NC pins, N.C. except for the BA00AST/ASFP. 2/11