Page 1
Low voltage fast-switching NPN power transistor
Features
■ This device is qualified for automotive
application
■ Very low collector to emitter saturation voltage
■ High current gain characteristic
■ Fast-switching speed
■ Surface-mounting DPAK (TO-252) power
package in tape & reel (suffix “T4)
Description
The device is manufactured in Planar technology
with “Base Island” layout. The resulting transistor
shows exceptional high gain performance
coupled with very low saturation voltage.
STD1802T4-A
3
1
TO-252
DPAK
(suffix “T4”)
Figure 1. Internal schematic diagram
Applications
■ CCFL drivers
■ Voltage regulators
■ Relay drivers
■ High efficiency, low voltage, switching
applications
Table 1. Device summary
Order code Marking Package Packaging
STD1802T4-A D1802 DPAK Tape & reel
June 2007 Rev 1 1/10
www.st.com
10
Page 2
Electrical ratings STD1802T4-A
1 Electrical ratings
Table 2. Absolute maximum rating
Symbol Parameter Value Unit
V
V
V
I
P
T
Collector-base voltage (IE =0) 80 V
CBO
Collector-emitter voltage (IB =0) 60 V
CEO
Emitter-base voltage (IC =0) 6 V
EBO
I
Collector current 3 A
C
Collector peak current (tP < 5ms) 6 A
CM
I
Base current 1 A
B
Total dissipation at Tc ≤ 25°C 15 W
tot
Storage temperature -65 to 150 °C
stg
T
Max. operating junction temperature 150 °C
J
Table 3. Thermal data
Symbol Parameter Value Unit
R
thj-case
Thermal resistance junction-case __max 8.33 °C/W
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Page 3
STD1802T4-A Electrical characteristics
2 Electrical characteristics
(T
= 25°C unless otherwise specified)
case
Table 4. Electrical characteristics
Symbol Parameter Test Conditions Min. Typ. Max. Unit
I
CBO
I
V
(BR)CBO
V
(BR)CEO
V
(BR)EBO
V
CE(sat)
V
BE(sat)
h
FE
C
EBO
f
T
CBO
Collector cut-off current
=0)
(I
E
Emitter cut-off current
=0)
(I
C
Collector-base
breakdown voltage
(I
= 0)
E
Collector-emitter
breakdown voltage
(I
= 0)
B
Emitter-base breakdown
voltage (I
Collector-emitter
(1)
C
saturation voltage
Base-emitter saturation
(1)
voltage
(1)
DC current gain
Transition frequency
Collector-base
capacitance
= 0)
= 40V
V
CB
= 4V
V
EB
I
=100µA
C
I
=1mA
C
=100µA
I
E
I
=2A _ _ IB =100mA
C
=3A __ _ IB =150mA
I
C
I
=2A _ _ IB =100mA
C
=100mA V
I
C
=3A V
I
C
=10V IC =50mA
V
CE
V
=10V f = 1MHz
CB
CE
CE
=2V
=2V
0.1 µA
0.1 µA
80 V
60 V
6V
150
200
300
400mVmV
0.9 1.2 V
200
400
100
150 MHz
50 pF
Resistive load
t
ON
t
t
Turn-on time
s
f
Storage time
Fall time
=1A V
I
C
=-I
I
B1
B2
Note (1) Pulsed duration = 300 µs, duty cycle ≤1.5%
=0.1A
CC
=30V
50
1.35
120
ns
µs
ns
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Electrical characteristics STD1802T4-A
2.1 Electrical characteristics (curves)
Figure 2. Derating curve Figure 3. DC current gain
Figure 4. Collector-emitter saturation
voltage
Figure 6. Base-emitter saturation
voltage
Figure 5. Collector-emitter saturation
voltage
Figure 7. Base-emitter on voltage
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STD1802T4-A Electrical characteristics
Figure 8. Switching times resistive
load
Figure 10. Switching times resistive
load
Figure 9. Switching times resistive
load
Figure 11. Switching times inductive
load
Figure 12. Switching times resistive
load
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Electrical characteristics STD1802T4-A
2.2 Test circuits
Figure 13. Resistive load switching test circuit
1) Fast electronic switch
2) Non-inductive resistor
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STD1802T4-A Package mechanical data
3 Package mechanical data
In order to meet environmental requirements, ST offers these devices in ECOPACK®
packages. These packages have a Lead-free second level interconnect. The category of
second level interconnect is marked on the package and on the inner box label, in
compliance with JEDEC Standard JESD97. The maximum ratings related to soldering
conditions are also marked on the inner box label. ECOPACK is an ST trademark.
ECOPACK specifications are available at: www.st.com
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Page 8
Package mechanical data STD1802T4-A
TO-252 (DPAK) MECHANICAL DATA
DIM.
A 2.20 2.40 0.087 0.094
A1 0.90 1.10 0.035 0.043
A2 0.03 0.23 0.001 0.009
B 0.64 0.90 0.025 0.035
B2 5.20 5.40 0.204 0.213
C 0.45 0.60 0.018 0.024
C2 0.48 0.60 0.019 0.024
D 6.00 6.20 0.236 0.244
E 6.40 6.60 0.252 0.260
G 4.40 4.60 0.173 0.181
H 9.35 10.10 0.368 0.398
L2 0.8 0.031
L4 0.60 1.00 0.024 0.039
V2 0
MIN. TYP. MAX. MIN. TYP. MAX.
o
mm inch
o
8
o
0
o
0
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P032P_B
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STD1802T4-A Revision history
4 Revision history
Table 5. Revision history
Date Revision Changes
28-Jun-2007 1 Initial release.
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Page 10
STD1802T4-A
y
y
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