BA178M T / BA178M FP series Regulator ICs Standard 78M series, 3-pin regulator BA178M T / BA178M FP series The BA178M T and BA178M FP series are 3-pin, fixed positive output voltage regulators. These regulators are used to provide a stabilized output voltage from a fluctuating DC input voltage. There are 11 fixed output voltages, as follows : 5V, 6V, 7V, 8V, 9V, 10V, 12V, 15V, 18V, 20V, and 24V. The maximum current capacity is 0.5A for each of the above voltages. Application Constant voltage power supply Features 1) Built-in overcurrent protection circuit and thermal shutdown circuit. 2) Excellent ripple regulation. 3) Available in TO-220FP and TO252-3 packages, to meet wide range of applications. 4) Compatible with other manufacturers regulators. 5) Richly diverse lineup. (5V, 6V, 7V, 8V, 9V, 10V, 12V, 15V, 18V, 20V, 24 V) Product codes Output voltage (V) Product No. Output voltage (V) Product No. 51BA178M05T / FP2 BA178M12T / FP 61BA178M06T / FP5 BA178M15T / FP 718 BA178M18T / FP BA178M07T / FP 82BA178M08T / FP0 BA178M20T / FP 92BA178M09T / FP4 BA178M24T / FP 10 BA178M10T / FP BA178M T / BA178M FP series Regulator ICs Internal circuit configuration diagram (1) INPUT R4 R10 R8 R9 R13 Q8 Q9 D2 Q12 Q16 Q17 Q15 R21 R12 R5 R17 R11 Q13 Q10 (3) OUTPUT Q6 R6 Q5 R15 R16 R20 R2 R1 C1 Q11 D1 Q7 Q18 Q4 Q2 Q14 Q1 Q3 R19 R14 R7 R22 R10 R3 D3 (2) COMMON Absolute maximum ratings (Ta=25C) Common specifications for BA178M T / FP seriesp Parameter Symbol Limits Unit Applied voltage VIN 35 V 2.0 TO220FP Power dissipation Pd W TO2523 1.0 Operating temperature Topr 40~+85 C Storage temperature Tstg 55~+150 C Reduced by 16 mW (TO220FP) and 8 mW (TO252-3) for each increase in Ta of 1C over 25C (without heat sink). Recommended operating conditions (Ta=25C) BA178M05T / FP BA178M06T / FP Parameter Symbol Min. Typ. Max. Unit Parameter Symbol Min. Typ. Max. Unit Input voltage VIN 7.5 20 V Input voltage VIN 8.5 21 V Output current IO 0.5 A Output current IO 0.5 A BA178M08T / FP BA178M07T / FP Parameter Symbol Min. Typ. Max. Unit Parameter Symbol Min. Typ. Max. Unit Input voltage VIN 10.5 23 V Input voltage VIN 9.5 22 V Output current IO 0.5 A Output current IO 0.5 A BA178M10T / FP BA178M09T / FP Parameter Symbol Min. Typ. Max. Unit Parameter Symbol Min. Typ. Max. Unit Input voltage VIN 11.5 24 V Input voltage VIN 12.5 25 V Output current IO 0.5 A IO Output current 0.5 A