參數(shù)資料
型號: EMF21
廠商: Rohm CO.,LTD.
英文描述: Power management (dual transistors)
中文描述: 電源管理()雙晶體管
文件頁數(shù): 3/5頁
文件大小: 66K
代理商: EMF21
EMF21 / UMF21N
Transistors
3/4
z
Electrical characteristic curves
Tr1
0
1
100
1000
10
BASE TO EMITTER VOLTAGE : V
BE
(V)
Fig.1 Grounded emitter propagation
characteristics
C
C
(
1.4
1.0
1.2
0.4
0.6
0.8
0.2
V
CE
=2V
Pulsed
T2
°
C
T
°
C
T
4
°
C
1
10
100
1000
COLLECTOR CURRENT : I
C
(mA)
Fig.2
DC current gain vs.
collector current
1
D
F
10
1000
100
Ta
=
125
°
C
Ta
=
40
°
C
Ta
=
25
°
C
V
CE
2V
Pulsed
1
10
100
1000
COLLECTOR CURRENT : I
C
(mA)
Fig.3
Collector-emitter saturation voltage
vs. collector current (
Ι
)
1
C
C
(
10
1000
100
Ta=25
°
C
Pulsed
I
C
/I
B
=
50
I
C
/I
B
=
20
I
C
/I
B
=
10
1
10
100
1000
COLLECTOR CURRENT : I
C
(mA)
Fig.4
Collector-emitter saturation voltage
vs. collector current (
ΙΙ
)
1
C
C
(
10
1000
100
Ta
=
25
°
C
Ta
=
40
°
C
Ta
=
125
°
C
I
C
/I
B
=
20
Pulsed
1
10
100
1000
COLLECTOR CURRENT : I
C
(mA)
Fig.5
Base-emitter saturation voltage
vs. collector current
10
B
B
100
10000
1000
Ta
=
25
°
C
Ta
=
40
°
C
Ta
=
125
°
C
I
C
/I
B
=
20
Pulsed
1
10
100
1000
EMITTER CURRENT : I
E
(mA)
Fig.6
Gain bandwidth product
vs. emitter current
1
T
T
(
10
1000
100
V
CE
=
2V
Ta
=
25
°
C
Pulsed
1
10
100
0.1
10
100
1000
Ta
=
25
°
C
f
=
1MHz
I
E
=
0A
C
E
COLLECTOR TO BASE VOLTAGE : V
CB
(
V)
Fig.7
Collector output capacitance
vs. collector-base voltage
Emitter input capacitance
vs. emitter-base voltage
Cib
Cob
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