March 2008 Rev 2 1/11
11
2STD1665
Low voltage fast-switching NPN power transistor
Features
■Very low collector to emitter saturation
volatage
■High current gain characteristic
■Fast-switching speed
■Through-hole IPAK (TO-251) power package
in tube (suffix”-1”)
■Surface mounting DPAK (TO-252) power
package in tape & reel (suffix”T4”)
Applications
■Ccfl drivers
■Voltage regulators
■Relay drivers
■High efficiency low voltage switching
applications
Description
The device is manufactured in NPN Planar
Technology by using a “Base Island” layout. The
resulting transistor shows exceptional high gain
performance coupled with very low saturation
voltage.
Figure 1. Internal schematic diagram
Table 1. Device summary
3
2
1
1
3
IPAK
TO251
( Suffix “-1” )
DPAK
TO252
( Suffix “T4” )
Order code Marking Package Packing
2STD1665T4 D1665 DPAK Tape & reel
2STD1665-1 D1665 IPAK Tube
www.st.com
2STD1665
2/11
Contents
1 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 Electrical characteristics (curves) . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.2 Test circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2STD1665
3/11
1 Electrical ratings
Table 3. Thermal data
Table 2. Absolute maximum rating
Symbol Parameter Value Unit
VCBO Collector-base voltage (IE = 0) 150 V
VCEO Collector-emitter voltage (IB = 0) 65 V
VEBO Emitter-base voltage (IC = 0) 7 V
ICCollector current 6 A
ICM Collector peak current (tP < 5ms) 20 A
IBBase current 1 A
Ptot Total dissipation at Tc = 25 °C 15 W
Tstg Storage temperature -65 to 150 °C
TJMax. operating junction temperature 150 °C
Symbol Parameter Value Unit
Rthj-amb Thermal resistance junction-case __max 8.33 °C/W
Electrical characteristics 2STD1665
4/11
2 Electrical characteristics
(Tcase = 25 °C unless otherwise specified)
Table 4. Electrical characteristics
Symbol Parameter Test conditions Min. Typ. Max. Unit
ICBO
Collector cut-off current
(IE = 0)
VCB = 120 V
VCB = 120 V TC = 100 °C
50
1
nA
µA
IEBO
Emitter cut-off current
(IC = 0) VEB = 7 V 10 nA
V(BR)CBO (1)
1. Pulsed duration = 300 µs, duty cycle ≤ 1.5%.
Collector-base
breakdown voltage
(IE = 0)
IC = 100 µA 150 V
V(BR)CEO (1) Collector-emitter
breakdown voltage
(IB = 0)
IC = 10 mA 65 V
V(BR)EBO (1)
Emitter-base
breakdown voltage
(IC = 0)
IE = 100 µA 7V
VCE(sat) (1) Collector-emitter
saturation voltage
IC = 100 mA IB = 5 mA
IC = 1 A IB = 50 mA
IC = 2 A IB = 50 mA
IC = 6 A IB = 150 mA
IC = 6 A IB = 300 mA
50
100
260
230
50
120
200
600
380
mV
mV
mV
mV
mV
VBE(sat) (1) Base-emitter saturation
voltage IC = 4 A IB = 200 mA 11.15V
VBE(on) (1) Base-emitter On
voltage IC = 4 A VCE = 1 V 0.85 1 V
hFE DC current gain
IC = 10 mA VCE = 1 V
IC = 2 A VCE = 1 V
IC = 5 A VCE = 1 V
IC = 10 A VCE = 1 V
150
150
90
30
320
310
175
65
350
CCBO Collector-base
capacitance VCB = 10 V f = 1 MHz 45 pF
tON
ts
tf
Resistive load
Turn-on time
Storage time
Fall time
IC = 3 A VCC = 10 V
IB1 = -IB2 = 0.3 A
90
800
90
ns
ns
ns
2STD1665
5/11
2.1 Electrical characteristics (curves)
Figure 2. Output characteristics Figure 3. DC current gain
Figure 4. Collector-emitter saturation
voltage
Figure 5. Collector-emitter saturation
voltage
Figure 6. Base-emitter saturation
voltage
Figure 7. Base-emitter on voltage
Electrical characteristics 2STD1665
6/11
2.2 Test circuit
Figure 11. Resistive load switching and RBSOA test circuit
Figure 8. Switching times resistive
load
Figure 9. Switching times resistive
load
Figure 10. Capacitance
1) Fast electronic switching
2) Non-inductive resisitor
2STD1665
7/11
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
Package mechanical data 2STD1665
8/11
DIM. mm.
min. typ max.
A 2.20 2.40
A1 0.901.10
A2 0.030.23
b0.64 0.90
b4 5.20 5.40
c 0.45 0.60
c2 0.480.60
D 6.00 6.20
D1 5.10
E 6.40 6.60
E1 4.70
e2.28
e1 4.40 4.60
H9.35 10.10
L1
L1 2.80
L2 0.80
L4 0.60 1
R0.20
V2 0
o
8
o
TO-252 (DPAK) mechanical data
0068772_G
2STD1665
9/11
DIM. mm.
min. typ max.
A 2.20 2.40
A1 0.901.10
b0.64 0.90
b20.95
b4 5.20 5.40
B5 0.3
c 0.45 0.60
c2 0.480.60
D 6.00 6.20
E 6.40 6.60
e2.28
e1 4.40 4.60
H 16.10
L9.00 9.40
L1 0.801.20
L2 0.801.00
V1 10
o
TO-251 (IPAK) mechanical data
0068771_H
Revision history 2STD1665
10/11
4 Revision history
Table 5. Document revision history
Date Revision Changes
08-May-2006 1 Initial release
27-Mar-2008 2 New graphics
2STD1665
11/11
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