HA178L12 Datasheet, PDF (5/21 Pages) Hitachi Semiconductor – 3-terminal Fixed Voltage Regulators

HA178L00 Series
Absolute Maximum Ratings (Ta = 25°C)
Item
Symbol
Rating
Unit
Input voltage
Power dissipation
V_IN
35
V
P_T
800
mW
800
mW
Operating ambient temperature
Topr
–20 to +75
°C
–20 to +85
°C
Storage temperature
Tstg
–55 to +150
°C
Note: 1. Ta ≤ 25°C, If Ta >25°C, derate by 6.4 mW/°C (See figure A)
2. 15mm × 25mm × 0.7 mm alumina ceramic board, Ta ≤ 25°C (See figure B)
Note
TO-92M*¹
UPAK*²
TO-92M
UPAK
1,000
800
600
480
400
200
0
–20 0
25 50 75 100
Ambient Temperature Ta (°C)
A
1,200
1,000
(1) Non Board
(2) 15mm × 25mm × 0.7mm
Alumina Ceramic Board
800
600
(2)
400
(1)
200
0
25 50 75 100 125 150
Ambient Temperature Ta (°C)
B
5