STMicroelectronics-STR1550
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STR1550
High voltage fast-switching NPN power transistor
Datasheet
–
production data
Features
•
Excellent h
FE
linearity up to 50 mA
•
Miniature SOT-23 plastic package for surface
mounting circuits
3
•
Tape and reel packaging
2
•
The PNP complementary type is STR2550
1
SOT-23
Applications
•
LED driving
Description
Figure 1. Internal schematic diagram
This device is a high voltage fast-switching NPN
power transistor, manufactured using diffused
collector planar technology for high switching
speeds.
It employs a base island structure with planar
edge termination to enhance switching speeds,
while maintaining a wide RBSOA.
Table 1. Device summary
Order code
Marking
1550
Package
Packing
STR1550
SOT-23
T
a
pe and reel
May 2014
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This is information on a product in full production.
9
Contents
STR1550
Contents
Electrical ratings
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Electrical characteristics
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Revision history
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
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STR1550
Electrical ratings
1
Electrical ratings
Table 2. Absolute maximum ratings
Parameter
Symbol
Value
Unit
V
CBO
V
CEO
V
EBO
I
C
Collector-base voltage (I
E
= 0)
500
V
V
Collector-emitter voltage (I
B
= 0)
Emitter-base voltage (I
C
= 0)
Collector current
500
9
0.5
V
A
I
CM
Collector peak current (t
P
< 5 ms)
T
o
tal dissipation at T
amb
= 25 °C
Storage temperature
1
A
P
TOT
T
STG
T
J
500
mW
°C
°C
-65 to 150
150
Max. operating junction temperature
Table 3. Thermal data
Symbol
Parameter
Value
Unit
(1)
R
thJA
Thermal resistance junction-ambient max
250
°C/W
1. Device
mounted on PCB area of 1 cm².
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Electrical characteristics
STR1550
2
Electrical characteristics
T
case
= 25 °C unless otherwise specified.
Table 4. Electrical characteristics
Symbol
Parameter
Test conditions
V
CB
= 500 V
Min. Typ. Max. Unit
Collector cut-off current
(I
E
= 0)
I
CBO
10
µA
V
Collector-base
V
(BR)CBO
breakdown voltage
(I
E
= 0)
I
C
= 100 µA
500
Collector-emitter
breakdown voltage
(I
B
= 0)
(1)
V
(BR)CEO
I
C
= 1 mA
500
12
V
V
Emitter-base breakdown
voltage (I
C
= 0)
V
(BR)EBO
I
E
= 100 µA
I
C
= 20 mA, I
B
= 2 mA
I
C
= 50 mA, I
B
= 6 mA
0.2
0.3
V
V
Collector-emitter
saturation voltage
(1)
V
CE(sat)
Base-emitter saturation
voltage
(1)
V
BE(sat)
V
BE(on
I
C
= 50 mA, I
B
= 5 mA
0.9
0.9
V
V
)
Base-emitter on voltage
I
C
= 50 mA, V
CE
= 10 V
I
C
= 1 mA, V
CE
= 10 V
100
100
10
(1)
h
FE
DC current gain
I
C
= 50 mA, V
CE
= 10 V
I
C
= 100 mA, V
CE
= 10 V
300
1. Pulse
test: pulse duration
≤
300 µs, duty cycle
≤
2%
2.1
Electrical characteristics (curves)
Figure 2. h
FE
vs. I
C
@ V
CE
= 5 V
Figure 3. h
FE
vs. I
C
@ V
CE
= 10 V
AM17433v1
AM17434v1
h
FE
h
FE
100
10
100
10
-55°C
-55°C
25°C
25°C
100°C
100°C
0.1
1
1
0.001
0.001
0.01
I
C
(A)
0.01
0.1
I
C
(A)
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STR1550
Electrical characteristics
Figure 4. V
CE(sat)
vs. I
C
@ h
FE
= 5
Figure 5. V
CE(sat)
vs. I
C
@ h
FE
= 10
AM17434v1
AM17436v1
V
CE(sat)
V
CE(sat)
(V)
(V)
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.8
0.7
-55°C
-55°C
0.6
0.5
25°C
0.4
0.3
25°C
0.2
0.1
0
0.1
0
100°C
0.1
100°C
0.1
0.001
0.001
0.01
I
C
(A)
0.01
I
C
(A)
Figure 6. V
BE(sat)
vs. I
C
@ h
FE
= 5
Figure 7. V
BE(sat)
vs. I
C
@ h
FE
= 10
AM17437v1
AM17437v1
V
BE(sat)
V
BE(sat)
(V)
(V)
-55°C
-55°C
25°C
25°C
1.0
0.9
0.8
0.7
0.6
0.5
0.4
1.0
0.9
0.8
0.7
0.6
0.5
0.4
100°C
100°C
0.3
0.2
0.3
0.2
0.001
0.001
0.01
0.1
I
C
(A)
0.01
0.1
I
C
(A)
Figure 8. V
BE(on)
vs. I
C
@ V
CE
= 10 V
AM17439v1
V
BE(on)
(V)
-55°C
1.0
0.8
0.6
100°C
25°C
0.4
0.2
0.001
0.01
0.1
I
C
(A)
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Package mechanical data
STR1550
3
Package mechanical data
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK
®
packages, depending on their level of environmental compliance. ECOPACK
®
ECOPACK
®
is an ST trademark.
Figure 9. SOT-23 drawings
0053390_I
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STR1550
Package mechanical data
Table 5. SOT-23 mechanical data
mm
Dim.
Min.
Typ.
Max.
A
A1
B
0.89
0
1.40
0.10
0.51
0.18
3.04
1.05
2.10
1.75
3.00
0.30
0.085
2.75
0.85
1.70
1.20
2.10
C
D
e
e1
E
H
L
0.60
S
0.35
0.25
0°
0.65
0.55
8°
L1
a
Figure 10. SOT-23 recommended footprint
(a)
0.48
0.95
2.89
0.99
0.97
SOT-23 footp_I
a. Dimensions
are in mm.
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Revision history
STR1550
4
Revision history
Table 6.
Date
Document revision history
Revision
Changes
17-Oct-2011
05-Jun-2012
1
2
Initial release
values)
– Inserted: V
BE(on)
21-May-2013
3
27-May-2013
09-May-2014
4
5
– Document status promoted from preliminary to production data
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STR1550
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