KSD5041
KSD5041
AF Output Amplifier for Electronic Flash Unit
• Low Collector-Emitter Saturation Voltage
• High Performance at Low Supply Voltage
1
TO-92
1. Emitter 2. Collector 3. Base
NPN Epitaxial Silicon Transistor
Absolute Maximum Ratings
T
a
=25°C unless otherwise noted
Symbol
V
CBO
V
CEO
V
EBO
I
C
P
C
T
J
T
STG
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Collector Current
Collector Power Dissipation
Junction Temperature
Storage Temperature
Parameter
Ratings
40
20
7
5
0.75
150
-55 ~ 150
Units
V
V
V
A
W
°C
°C
Electrical Characteristics
T
a
=25°C unless otherwise noted
Symbol
BV
CEO
BV
EBO
I
CBO
I
EBO
h
FE1
h
FE2
V
CE
(sat)
f
T
C
ob
Parameter
Collector-Emitter Breakdown Voltage
Emitter-Base Breakdown Voltage
Collector Cut-off Current
Emitter Cut-off Current
DC Current Gain
Collector-Emitter Saturation Voltage
Current Gain Bandwidth Product
Output Capacitance
Test Condition
I
C
=1mA, I
B
=0
I
C
=10µA, I
C
=0
V
CB
=10V, I
E
=0
V
EB
=7V, I
C
=0
V
CE
=2V, I
C
=0.5A
V
CE
=2V, I
C
=2A
I
C
=3A, I
B
=0.1A
V
CE
=6V, I
C
=50mA
V
CB
=20V, I
E
=0, f=1MHz
150
50
180
150
Min.
20
7
0.1
0.1
600
1
V
MHz
pF
Typ.
Max.
Units
V
V
µA
µA
h
FE
Classification
Classification
h
FE
P
180 ~ 270
Q
230 ~ 380
R
340 ~ 600
©2002 Fairchild Semiconductor Corporation
Rev. A3, September 2002
KSD5041
Typical Characteristics
2.4
800
700
I
C
[A], COLLECTOR CURRENT
2.0
I
B
= 7mA
V
CE
= 2V
T
a
= 25℃
1.6
I
B
= 5mA
1.2
h
FE
, DC CURRENT GAIN
I
B
= 6mA
600
500
I
B
= 4mA
I
B
= 3mA
400
300
0.8
I
B
= 2mA
0.4
200
I
B
= 1mA
100
0.0
0.0
0.4
0.8
1.2
1.6
2.0
2.4
0
0.01
0.1
1
10
V
CE
[V], COLLECTOR-EMITTER VOLTAGE
I
C
[A], COLLECTOR CURRENT
Figure 1. Static Characteristic
Figure 2. DC current Gain
8
8
7
V
CE
= 10V
I
C
[A], COLLECTOR CURRENT
I
C
[A], COLLECTOR CURRENT
T
a
= 25 C
o
7
I
C
/I
B
= 30
o
T
a
=25 C
6
6
5
5
4
4
3
3
2
2
1
1
0
0.0
0.2
0.4
0.6
0.8
1.0
1.2
0
0.0
0.2
0.4
0.6
0.8
1.0
1.2
V
BE
[V], BASE-EMITTER VOLTAGE
V
CE
(sat)[V], SATURATION VOLTAGE
Figure 3. Base-Emitter Saturation Voltage
Figure 4. Collector-Emitter Saturation Voltage
f
T
[MHz], CURRENT GAIN-BANDWIDTH PRODUCT
1000
400
I
E
=0
f = 1MHz
T
a
= 25 C
o
350
V
CE
= 6V
o
T
a
= 25 C
300
C
ob
[pF], CAPACITANCE
100
250
200
150
10
100
50
1
1
10
100
0
0.01
0.1
1
10
V
CB
[V], COLLECTOR-BASE VOLTAGE
I
C
[A], COLLECTOR CURRENT
Figure 5. Collector Output Capacitance
Figure 6. Current Gain Bandwidth Product
©2002 Fairchild Semiconductor Corporation
Rev. A3, September 2002
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intended to be an exhaustive list of all such trademarks.
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2
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2
C™
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®
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PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY
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NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
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FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR
CORPORATION.
As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the body,
or (b) support or sustain life, or (c) whose failure to perform
when properly used in accordance with instructions for use
provided in the labeling, can be reasonably expected to
result in significant injury to the user.
2. A critical component is any component of a life support
device or system whose failure to perform can be
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PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification
Advance Information
Product Status
Formative or In
Design
First Production
Definition
This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.
This datasheet contains preliminary data, and
supplementary data will be published at a later date.
Fairchild Semiconductor reserves the right to make
changes at any time without notice in order to improve
design.
This datasheet contains final specifications. Fairchild
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.
This datasheet contains specifications on a product
that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.
Preliminary
No Identification Needed
Full Production
Obsolete
Not In Production
©2002 Fairchild Semiconductor Corporation
Rev. I1
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