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HA178M00 Datasheet, PDF (3/17 Pages) Hitachi Semiconductor – 3-terminal Fixed Voltage Regulators
HA178M00 Series
Absolute Maximum Ratings (Ta = 25°C)
Item
Symbol
Rating
Unit
Input voltage
Input voltage
Power dissipation
Operating temperature
VIN
VIN
PT
Topr
35
V
40
V
7.5
W
–20 to +75
°C
Junction temperature
Tj
–20 to +125
°C
Storage temperature
Tstg
–55 to +125
°C
Notes: 1. For HA178M05P–HA178M18P, HA178M05–HA178M18
2. For HA178M20P, HA178M24P, HA178M20, HA178M24
3. Follow derating curve
Notes
1
2
3
8
(2) (1)
6
(1) Infinite heat sink
4
(3)
) (2) 5°C/W heat sink Include fixed
(3) 15°C/W heat sink thermal resistance
(4) No heat sink
2
(4)
Thermal resistance
θjc = 3.0°C/W (typ)
5.0°C/W (max)
0
20 40 60 80 100 120 140 θja = 62°C/W (typ)
Ambient Temperature Ta(°C)
72°C/W (max)
3