參數(shù)資料
型號： TK72190CS
廠商： TOKO INC
元件分類： 固定負電壓單路輸出標準穩(wěn)壓器
英文描述： 9 V FIXED NEGATIVE REGULATOR, PDSO5
封裝： SOT-23, 5 PIN
文件頁數(shù)： 19/28頁
文件大?。?/td> 660K
代理商： TK72190CS
TK721xxCS
GC3-K020B
Page 26
The operation area
PCB Material : Two layer glass epoxy substrate
(x=30mm,y=30mm,t=1.0mm,Copper pattern thickness
35um)
Pd when mounted on the substrate mentioned above
(Ta=25
°C)
SOT23-5=736mW (derating –5.9mW)
The current which can be used continuously with
Ta=25
°C min is calculated by the following.
Vout
Vin
Ta
mA
Iout
×
=
)
25
(
9
.
5
736
)
(
- SOT23-5
*Iout<150mA
The operation area is the part enclosed in the line
including the “0” mentioned in graph1
The overheating sensor may operate, or the output
voltage may drop outside those area.
The heat radiation characteristic changes in various
conditions, so please check under your condition.
graph1
0
25
50
85
125
150
Pd
(mW)
200
400
600
800
1000
Unit-4.0mW
ON PCB -5.9mW
graph2
IoutMAX vs IN-OUT VOLTAGE DIFF
(SOT23-5)
0
20
40
60
80
100
120
140
160
0
1
23
45
6
7
8
9 10
IN-OUT VOLTAGE DIFF (V)
Io
u
tM
A
X
(m
A
)
T a=+85 ℃
T a=+70 ℃
T a=+50 ℃
T a=+25 ℃
Unit
ON PCB
Ta (
°°°°C)
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