Download 178M12 Datasheet PDF
Hitachi Semiconductor
178M12
178M12 is HA178M12 manufactured by Hitachi Semiconductor.
Features - - - - - - Output current less than 500 m A Various output voltages: 5, 6, 7, 8, 9, 12, 15, 18, 20, and 24 V No external pensation circuit required Built-in current control circuit protects elements from destruction by short circuit Builting chip junction temperature limiting circuit protects elements from thermal destruction Builting internal power dissipation limiting circuit protects transistors in output stage Ordering Information Type HA178M00PJ Series HA178M00P Series HA178M00 Series Application Automotive use Industrial use mercial use Package TO - 220AB Output Voltage Accuracy Grade Type No. HA178M05 HA178M12 Grade None A B C Accuracy ±4 ±2 ±3 +2, - 4 Datasheet pdf - http://..net/ .Data Sheet.co.kr HA178M00 Series Pin Arrangement Mark 1. Input 2. mon 3. Output 4. mon 1 2 3 (Top View) Block Diagram INPUT Over Current Protection OUTPUT Error Amp. Temperature Protection Vref = 2.5 V Reference Voltage MON Standard Circuit Input C1 0.33 µF Output C2 0.1 µ F HA178Mxx Datasheet pdf - http://..net/ .Data Sheet.co.kr HA178M00 Series Absolute Maximum Ratings (Ta = 25°C) Item Input voltage Input voltage Power dissipation Operating temperature Junction temperature Storage temperature Symbol VIN VIN PT Topr Tj Tstg Rating 35 40 7.5 - 20 to +75 - 20 to +125 - 55 to +125 Unit V V W °C °C °C Notes 1 2 3 Notes: 1. For HA178M05P- HA178M18P, HA178M05- HA178M18 2. For HA178M20P, HA178M24P, HA178M20, HA178M24 3. Follow derating curve 8 Max. Power Dissipation P T(max) (W) 6 4 2 (2) (1) (1) Infinite heat sink (2) 5°C/W heat sink (3) 15°C/W heat sink (4) No heat sink Thermal resistance θjc = 3.0°C/W (typ) 5.0°C/W (max) θja = 62°C/W (typ) 72°C/W (max) (3) (4) 20 40 60 80 100 120 140 fixed ) Include thermal resistance Ambient Temperature...