STMICROELECTRONICS 2STF2220_07

2STF2220
High gain Low Voltage PNP power transistor
Features
■
Very low Collector to Emitter saturation voltage
■
D.C. Current gain, hFE >100
■
1.5 A continuous collector current
Applications
■
Power management in portable equipment
■
Switching regulator in battery charger
applications
SOT-89
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.
Table 1.
Figure 1.
Internal schematic diagram
Device summary
Order code
Marking
Package
Packaging
2STF2220
2220
SOT-89
Tape & reel
September 2007
Rev 3
1/11
www.st.com
11
2STF2220
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2/11
2STF2220
1
Electrical ratings
Electrical ratings
Table 2.
Absolute maximum rating
Symbol
Parameter
Value
Unit
VCBO
Collector-base voltage (IE = 0)
-20
V
VCEO
Collector-emitter voltage (IB = 0)
-20
V
VEBO
Emitter-base voltage (IC = 0)
-5
V
-1.5
A
-3
A
Base current
-0.1
A
IBM
Base peak current (tP < 5ms)
-0.2
A
Ptot
Total dissipation at T amb = 25°C
1.4
W
Tstg
Storage temperature
-65 to 150
°C
150
°C
Value
Unit
89
°C/W
IC
ICM
IB
TJ
Table 3.
Symbol
Collector current
Collector peak current (tP < 5ms)
Max. operating junction temperature
Thermal data
Parameter
Rthj-amb(1) Thermal resistance junction-amb
__max
(1) Device mounted on PCB area of 1cm2
3/11
Electrical characteristics
2
2STF2220
Electrical characteristics
(Tcase = 25°C unless otherwise specified)
Table 4.
Symbol
Electrical characteristics
Parameter
Test Conditions
Typ.
Max.
Unit
ICBO
Collector cut-off current
(IE =0)
VCB = -20V
-0.1
µA
IEBO
Emitter cut-off current
(IC =0)
VEB = -5V
-0.1
µA
Collector-emitter
V(BR)CEO (2) breakdown voltage
(IB = 0)
V(BR)EBO
Emitter-base breakdown
voltage (IC = 0)
IC = -10mA
-20
V
IE = -100µA
-5
V
Collector-emitter
saturation voltage
IC = -0.5A
IB = -50mA
-0.25
V
IC = -1.5A
IB = -150mA
-0.45
V
VBE(sat) (2)
Base-emitter saturation
voltage
IC = -0.5A
IB = -50mA
IC = -1.5A
IB = -150mA
-1
-1.1
V
V
VBE(on) (2)
Base-emitter on voltage
IC = -1A
V CE = -2V
-1
V
IC = -100mA
V CE = -2V
200
IC = -500mA
V CE = -2V
170
IC = -1.5A
V CE = -2V
120
IC = -3A
V CE = -2V
75
VCE(sat) (2)
hFE (2)
DC current gain
CCBO
Collector-base
capacitance
ton
Resistive load
Turn-on time
Turn-off time
toff
IE = 0
VCB = -10V
f = 1MHz
IC = -1.5A
V CC = -10V
IB1 = -IB2 = -150mA
Note (2) Pulsed duration = 300 µs, duty cycle ≤1.5%
4/11
Min.
600
30
pF
60
ns
250
ns
2STF2220
2.1
Electrical characteristics
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.
Base-emitter on voltage
2STF2220
Figure 9.
Capacitance curves
Figure 10. Switching time resistive load Figure 11. Switching time resistive load
6/11
2STF2220
2.2
Electrical characteristics
Test circuits
Figure 12. Resistive load switching test circuit
1) Fast electronic switch
2) Non-inductive resistor
7/11
Package mechanical data
3
2STF2220
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
8/11
2STF2220
Package mechanical data
SOT-89 MECHANICAL DATA
mm
DIM.
MIN.
TYP.
mils
MAX.
MIN.
TYP.
MAX.
A
1.4
1.6
55.1
63.0
B
0.44
0.56
17.3
22.0
B1
0.36
0.48
14.2
18.9
C
0.35
0.44
13.8
17.3
C1
0.35
0.44
13.8
17.3
D
4.4
4.6
173.2
181.1
D1
1.62
1.83
63.8
72.0
E
2.29
2.6
90.2
102.4
e
1.42
1.57
55.9
61.8
e1
2.92
3.07
115.0
120.9
H
3.94
4.25
155.1
167.3
L
0.89
1.2
35.0
47.2
P025H
9/11
Revision history
4
2STF2220
Revision history
Table 5.
10/11
Document revision history
Date
Revision
Changes
19-Jun-2006
1
Initial release.
27-Sep-2006
2
New maturity code.
18-Sep-2007
3
Added Figure 3.
2STF2220
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