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2STF2340
Low voltage fast-switching PNP power transistor
Features

Very low collector-emitter saturation voltage High current gain characteristic Fast switching speed SOT-89 plastic package for surface mounting circuits
Applications

SOT-89
LED Motherboard & hard disk drive Mobile equipment Battery charger Voltage regulation Figure 1. Internal schematic diagram
Description
The device in a PNP transistor manufactured using new "PB-HDC" (Power Bipolar High Density Current) technology. The resulting transistor shows exceptional high gain performances coupled with very low saturation voltage. The complementary NPN is the 2STF1340.
Table 1.
Device summary
Marking 2340 Package SOT-89 Packaging Tape and reel
Order code 2STF2340
December 2007
Rev 1
1/11
www.st.com 11
2STF2340
Contents
1 2 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 2.2 Electrical characteristics (curves) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Test circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3 4
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
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2STF2340
Electrical ratings
1
Electrical ratings
Table 2.
Symbol VCES VCEO VEBO IC ICM Ptot Tstg TJ
Absolute maximum rating
Parameter Collector-emitter voltage (V CE = 0) Collector-emitter voltage (IB = 0) Emitter-base voltage (IC = 0) Collector current Collector peak current (tP < 5ms) Total dissipation at Tamb = 25C Storage temperature Max. operating junction temperature Value -40 -40 -5 -3 -6 1.4 -65 to 150 150 Unit V V V A A W C C
Table 3.
Symbol
Thermal data
Parameter __max Value 89.3 Unit C/W
Rthj-amb(1) Thermal resistance junction-amb
1. Device mounted on PCB area of 1cm2
3/11
Electrical characteristics
2STF2340
2
Electrical characteristics
(Tcase = 25C unless otherwise specified) Table 4.
Symbol ICBO IEBO
Electrical characteristics
Parameter Collector cut-off current (IE =0) Emitter cut-off current (IC =0) Test conditions VCB = -40 V VEB = -5 V Min. Typ. Max. -0.1 Unit A
-0.1
A
Collector-base V(BR)CBO (1) breakdown voltage (IE = 0) Collector-emitter V(BR)CEO (1) breakdown voltage (IB = 0) V(BR)EBO VCE(sat) (1) Emitter-base breakdown voltage (IC = 0) Collector-emitter saturation voltage Base-emitter saturation voltage
IC = -100 A
-40
V
IC = -10 mA
-40
V
IE = -100 A IC = -2 A IC = -3 A IC = -2 A IC = -0.1 A IB = -100 mA IB = -150 mA IB = -100 mA V CE = -2 V V CE = -2 V V CE = -2 V VCE = -5 V
-5 -0.2 -0.3 -0.9 280 250 200 100 -1.25
V V V V
VBE(sat) (1)
hFE (1)
DC current gain
IC = -1 A IC = -3 A
ft CCBO
Transition frequency Collector-base capacitance (IE = 0 ) Resistive load Turn-on time Turn-off time
IC = -0.1 A f = 100 MHz VCB = -10 V IC = -1.5 A
MHz
f = 1 MHz
50
pF
ton toff
VCC = -10 V
IB1 = -IB2 = -150 mA
80 450
ns ns
1. Pulsed duration = 300 s, duty cycle 1.5%
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2STF2340
Electrical characteristics
2.1
Electrical characteristics (curves)
Figure 2. Output characteristics Figure 3. Derating curve
Figure 4.
DC current gain
Figure 5.
DC current gain
Figure 6.
Collector-emitter saturation voltage
Figure 7.
Base-emitter saturation voltage
5/11
Electrical characteristics Figure 8. Resistive load switching time Figure 9.
2STF2340 Resistive load switching time
Figure 10. Capacitance curves
6/11
2STF2340
Electrical characteristics
2.2
Test circuits
Figure 11. Resistive load switching test circuit
1) Fast electronic switch 2) Non-inductive resistor
7/11
Package mechanical data
2STF2340
3
Package mechanical data
In order to meet environmental requirements, ST offers these devices in ECOPACK(R) 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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2STF2340
Package mechanical data
SOT-89 MECHANICAL DATA
mm MIN. A B B1 C C1 D D1 E e e1 H L 1.4 0.44 0.36 0.35 0.35 4.4 1.62 2.29 1.42 2.92 3.94 0.89 TYP. MAX. 1.6 0.56 0.48 0.44 0.44 4.6 1.83 2.6 1.57 3.07 4.25 1.2 MIN. 55.1 17.3 14.2 13.8 13.8 173.2 63.8 90.2 55.9 115.0 155.1 35.0 mils TYP. MAX. 63.0 22.0 18.9 17.3 17.3 181.1 72.0 102.4 61.8 120.9 167.3 47.2
DIM.
P025H
9/11
Revision history
2STF2340
4
Revision history
Table 5.
Date 04-Dec-2007
Document revision history
Revision 1 Initial release. Changes
10/11
2STF2340
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