February 2011 Doc ID 12350 Rev 3 1/10
10
2STD1665
Low voltage fast-switching NPN power transistor
Features
■Very low collector to emitter saturation voltage
■High current gain characteristic
■Fast-switching speed
Applications
■Voltage regulators
■High efficiency low voltage switching
applications
Description
The device is a low voltage NPN transistor with
exceptional high gain performance coupled with
very low saturation voltage. It is designed in
planar technology with "base island" layout.
Figure 1. Internal schematic diagram
1
3
TA B
DPAK
C(TAB)
E(3)
B
(1)
Table 1. Device summary
Order code Marking Packages Packaging
2STD1665T4 D1665 DPAK Tape and reel
www.st.com
Electrical ratings 2STD1665
2/10 Doc ID 12350 Rev 3
1 Electrical ratings
Table 2. Absolute maximum ratings
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 Ta = 25 °C 15 W
Tstg Storage temperature -65 to 150 °C
TJMax. operating junction temperature 150 °C
Table 3. Thermal data
Symbol Parameter Value Unit
Rthj-a(1)
1. Device mounted on a PCB area of 1 cm2
Thermal resistance junction-ambient __max 8.33 °C/W
2STD1665 Electrical characteristics
Doc ID 12350 Rev 3 3/10
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. Pulse test: pulse duration ≤ 300 µs, duty cycle ≤ 2 %
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
(IE=0)
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
IB(on) = -IB(off) = 300 mA
VBB(off) = -5 V
90
800
90
ns
ns
ns
Electrical characteristics 2STD1665
4/10 Doc ID 12350 Rev 3
2.1 Electrical characteristics (curves)
Figure 2. Output characteristics Figure 3. DC current gain
Figure 4. Collector-emitter saturation
voltage - (hFE = 20)
Figure 5. Collector-emitter saturation
voltage - (hFE = 40)
Figure 6. Base-emitter saturation
voltage
Figure 7. Base-emitter on voltage
2STD1665 Electrical characteristics
Doc ID 12350 Rev 3 5/10
2.2 Test circuit
Figure 11. Resistive load switching time
Figure 8. Resistive load switching off Figure 9. Resistive load switching on
Figure 10. Capacitance
1) Fast electronic switching
2) Non-inductive resisitor
Package mechanical data 2STD1665
6/10 Doc ID 12350 Rev 3
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®
specifications, grade definitions and product status are available at: www.st.com. ECOPACK
is an ST trademark.
2STD1665 Package mechanical data
Doc ID 12350 Rev 3 7/10
Table 5. DPAK (TO-252) mechanical data
Dim.
mm
Min. Typ. Max.
A 2.20 2.40
A1 0.90 1.10
A2 0.03 0.23
b 0.64 0.90
b4 5.20 5.40
c 0.45 0.60
c2 0.48 0.60
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° 8°
Package mechanical data 2STD1665
8/10 Doc ID 12350 Rev 3
Figure 12. TO-252 (DPAK) drawings
0068772_G
2STD1665
10/10 Doc ID 12350 Rev 3
Please Read Carefully:
Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the
right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any
time, without notice.
All ST products are sold pursuant to ST’s terms and conditions of sale.
Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no
liability whatsoever relating to the choice, selection or use of the ST products and services described herein.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. If any part of this
document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products
or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such
third party products or services or any intellectual property contained therein.
UNLESS OTHERWISE SET FORTH IN ST’S TERMS AND CONDITIONS OF SALE ST DISCLAIMS ANY EXPRESS OR IMPLIED
WARRANTY WITH RESPECT TO THE USE AND/OR SALE OF ST PRODUCTS INCLUDING WITHOUT LIMITATION IMPLIED
WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS
OF ANY JURISDICTION), OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT.
UNLESS EXPRESSLY APPROVED IN WRITING BY AN AUTHORIZED ST REPRESENTATIVE, ST PRODUCTS ARE NOT
RECOMMENDED, AUTHORIZED OR WARRANTED FOR USE IN MILITARY, AIR CRAFT, SPACE, LIFE SAVING, OR LIFE SUSTAINING
APPLICATIONS, NOR IN PRODUCTS OR SYSTEMS WHERE FAILURE OR MALFUNCTION MAY RESULT IN PERSONAL INJURY,
DEATH, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE. ST PRODUCTS WHICH ARE NOT SPECIFIED AS "AUTOMOTIVE
GRADE" MAY ONLY BE USED IN AUTOMOTIVE APPLICATIONS AT USER’S OWN RISK.
Resale of ST products with provisions different from the statements and/or technical features set forth in this document shall immediately void
any warranty granted by ST for the ST product or service described herein and shall not create or extend in any manner whatsoever, any
liability of ST.
ST and the ST logo are trademarks or registered trademarks of ST in various countries.
Information in this document supersedes and replaces all information previously supplied.
The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners.
© 2011 STMicroelectronics - All rights reserved
STMicroelectronics group of companies
Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan -
Malaysia - Malta - Morocco - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America
www.st.com
