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3STL2540
Low voltage high performance PNP power transistor
Datasheet — production data
Features
■
Very low collector-emitter saturation voltage
■
High current gain characteristic
■
Small, thin, leadless SMD plastic package with
excellent thermal behavior
3
Applications
■
Power management
■
DC-DC converters
2
1
2
1
PowerFLAT™ 2 x 2 3L
Description
This device is an PNP transistor manufactured
using new low voltage planar technology with
double metal process. The result is a transistor
which boasts exceptionally high gain performance
coupled with very low saturation voltage.
Table 1.
Figure 1.
Internal schematic diagram
Device summary
Order code
Marking
Package
Packaging
3STL2540
L2540
PowerFLAT™ 2 x 2
Tape and reel
May 2012
This is information on a product in full production.
Doc ID 022059 Rev 2
1/11
www.st.com
11
Absolute maximum ratings
1
3STL2540
Absolute maximum ratings
Table 2.
Absolute maximum ratings
Symbol
Parameter
Value
Unit
VCBO
Collector-base voltage
(IE = 0)
-40
V
VCEO
Collector-emitter voltage (IB = 0)
-40
V
VEBO
Emitter-base voltage
-6
V
Collector current
-5
A
Collector peak current (tP < 5 ms)
-10
A
Base current
-0.5
A
IC
ICM
IB
(IC = 0)
IBM
Base peak current (tP < 5 ms)
-1
A
PTOT(1)
Total dissipation at TA = 25 °C
1.2
W
-65 to 150
°C
150
°C
Value
Unit
TSTG
TJ
Storage temperature
Max. operating junction temperature
1. Device mounted on a PCB area of 1 cm²
Table 3.
Symbol
Thermal data
Parameter
RthJA(1)
Thermal resistance junction-ambient max
104
°C/W
RthJA(2)
Thermal resistance junction-ambient max
75
°C/W
Thermal resistance junction-case max
45
°C/W
RthJC
1. Device mounted on a PCB area of 1 cm²
2. Device mounted on a PCB area of 6 cm²
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Doc ID 022059 Rev 2
3STL2540
2
Electrical characteristics
Electrical characteristics
TJ = 25 °C; unless otherwise specified.
Table 4.
Symbol
Electrical characteristics
Parameter
Test conditions
Min.
Typ.
Max.
Unit
ICBO
Collector cut-off current
(IE = 0)
VCB = - 40 V
-100
nA
IEBO
Emitter cut-off current
(IC = 0)
VEB = - 6 V
-100
nA
VBE(on)
Base-emitter on voltage
VCE = - 2 V
VCE(sat)
Collector-emitter saturation
voltage
VBE(sat)
(1)
(1)
hFE (1)
IC = - 100 mA
-670
IC = - 1 A
IC = - 2 A
IC = - 5 A
IB = - 10 mA
IB = - 100 mA
_ IB = - 250 mA
-150
-300
mV
Base-emitter saturation
voltage
IC = - 1 A
_ IB = - 10 mA
800
mV
DC current gain
VCE = - 2 V
VCE = - 2 V
VCE = - 2 V
IC = - 0.5 A
IC = - 2 A
IC = - 5 A
280
210
100
VCE = -0.2 ÷ - 2 V IC = - 1 A
Tj = -30 °C ÷ 150 °C
td
tr
ts
tf
Resistive load
Delay time
Rise time
Storage time
Fall time
IC = - 2 A
VCC = - 10 V
VBE(off) = 5 V,
- IB(on) = IB(off) = 200 mA
fT
Transition frequency
IC = - 0.1 A __ VCE = - 10 V
mV
-200
100
900
25
ns
140
ns
290
ns
60
ns
130
MHz
1. Pulse test: pulse duration ≤300 µs, duty cycle ≤2 %.
Doc ID 022059 Rev 2
3/11
Electrical characteristics
2.1
3STL2540
Electrical characteristics (curves)
Figure 2.
DC current gain (VCE=-2 V)
Figure 3.
H &%
DC current gain (VCE=-5 V)
H&%
4* #
4* #
4* #
4* #
4* #
4* #
Figure 4.
)C!
!-V
Collector-emitter saturation
voltage (VCEsat @ hFE=20)
Figure 5.
6CESAT
6
)C!
!-V
Collector-emitter saturation
voltage (VCEsat @ hFE=100)
6CESAT
6
4* #
4* #
4* #
4* #
4* #
4* #
)C!
!-V
Figure 6.
Base-emitter saturation
voltage (Vbe(sat) @ hFE=20)
!-V
Figure 7.
Base-emitter saturation
voltage (Vbe(sat) @ hFE=100)
6BESAT
6
6BESAT
6
4* #
4* #
4* #
4* #
4* #
)C!
!-V
4/11
4* #
)C!
Doc ID 022059 Rev 2
)C!
!-V
3STL2540
Electrical characteristics
Figure 8.
Resistive load switching
times
Figure 9.
TNS
Capacitance curves
(f=1 MHz)
#P&
TS
#BE
TR
TF
#BC
TD
6## 6
6"%OFF 6
H &%
)#
!
!-V
Doc ID 022059 Rev 2
62
6
!-V
5/11
Package mechanical data
3
3STL2540
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.
6/11
Doc ID 022059 Rev 2
3STL2540
Package mechanical data
Table 5.
PowerFLAT™ 2 x 2 3L mechanical data
mm.
Dim.
Min.
Typ.
Max.
A
0.55
0.60
0.65
A1
0.00
0.02
0.05
A3
0.10
b
0.25
0.30
0.35
D
1.90
2.00
2.10
E
1.90
2.00
2.10
e
1.20
1.30
1.40
D2
0.95
1.05
1.15
E2
1.40
1.50
1.60
H
0.20
0.25
0.30
K
0.20
0.30
0.40
L
0.35
0.40
0.45
R
0.15
Doc ID 022059 Rev 2
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Package mechanical data
3STL2540
Figure 10. PowerFLAT™ 2 x 2 3L drawing
BOTTOM VIEW
H
e
E2
b
L
R
D2
K
TOP VIEW
A
D
(A3)
E
LASER MARK PIN#1 ID
A1
8329590_REV_B
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Doc ID 022059 Rev 2
3STL2540
Packaging mechanical data
Figure 11. PowerFLAT™ 2 x 2 3L footprint (dimension in mm.)
4
Packaging mechanical data
?2%6?"
Doc ID 022059 Rev 2
9/11
Revision history
5
3STL2540
Revision history
Table 6.
10/11
Document revision history
Date
Revision
Changes
07-Dec-2011
1
Initial release
22-May-2012
2
Document status promoted from preliminary data to production data
Doc ID 022059 Rev 2
3STL2540
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