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參數(shù)資料
| 型號： | TK11932 |
| 廠商： | TOKO Inc. |
| 英文描述： | VOLTAGE REGULATOR WITH RESET OUTPUT |
| 中文描述： | 調(diào)壓器RESET輸出 |
| 文件頁數(shù)： | 20/23頁 |
| 文件大?。?/td> | 134K |
| 代理商： | TK11932 |
Page 20
January 1999 TOKO, Inc.
TK119xx
DEFINITION AND EXPLANATION OF TECHNICAL TERMS (CONT.)
SOT-23L POWER DISSIPATION
The range of usable currents can also be found from the
graph below.
Procedure:
1)
2)
3)
4)
Find P
D
P
D1
is taken to be P
D
x (~ 0.8 - 0.9)
Plot P
D1
against 25
°
C
Connect P
D1
to the point corresponding to the 150
°
C
with a straight line.
In design, take a vertical line from the maximum
operating temperature (e.g., 75
°
C) to the derating
curve.
Read off the value of P
D
against the point at which the
vertical line intersects the derating curve. This is taken
as the maximum power dissipation, D
PD
.
5)
6)
The maximum operating current is:
I
OUT
= (D
PD
/ (V
IN(MAX)
-
V
OUT
)
PD
DPD
25
50
75
150
(mW)
TA (
°
C)
3
6
5
4
0
50
100
TA (
°
C)
P
150
0
300
500
100
200
400
MOUNTED
FREE AIR
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