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Low Voltage - High Performance
Medium current, high performance, low voltage PNP transistor
Datasheet
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Last Updated: 27/06/2008
Pages: 9
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STN790A
Medium current, high performance, low voltage PNP transistor
Features
Very low collector to emitter saturation voltage DC current gain, hFE >100 3 A continuous collector current 40 V breakdown voltage V(BR)CER SOT-223 plastic package for surface mounting circuits in tape and reel packing
4
1
SOT-223
2
3
Applications
Power management in portable equipment Voltage regulation in bias supply circuits Switching regulator in battery charger applications Heavy load driver Figure 1. Internal schematic diagram
Description
The device in manufactured in low voltage PNP planar technology by using a "Base Island" layout. The resulting transistor shows exceptional high gain performance coupled with very low saturation voltage.
Table 1.
Device summary
Marking N790A Package SOT-223 Packaging Tape and reel
O rder code STN790A
June 2008
Rev 4
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ww w.st .com 9
Electrical ratings
STN790A
1
Electrical ratings
Table 2.
S y mb o l VCBO VCER VCEO VEBO IC ICM Ptot Tstg TJ
Absolute maximum rating
Parameter Collector-base voltage (IE = 0) Collector-emitter voltage (R BE = 47 ) Collector-emitter voltage (IB = 0) Emitter-base voltage (IC = 0) Collector current Collector peak current (tP < 5 ms) Total dissipation at Tamb = 25 C Storage temperature Max. operating junction temperature Value - 40 - 40 - 30 -5 -3 -6 1. 6 -65 to 150 150 Unit V V V V A A W C C
Table 3.
S y mb o l Rthj-amb
1.
Thermal data
Parameter Thermal resistance junction-ambient (1)__max
cm 2.
Value 78
Uni t C/W
Device mounted on PCB area of 1
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STN790A
Electrical characteristics
2
Electrical characteristics
(Tcase = 25 C unless otherwise specified) Table 4.
S y mb o l ICBO
Electrical characteristics
Parameter Collector cut-off current (IE = 0) Emitter cut-off current (IC = 0) Test conditions VCB = -30 V VCB = -30 V; VEB = -4 V TC = 100 C Min. Typ. Max. -10 -100 -10 Unit A A A
IEBO
Collector-emitter V(BR)CEO (1) breakdown voltage (IB = 0) V(BR)CER
(1)
IC = -10 mA
-30
V
Collector-emitter breakdown voltage (RBE = 47 ) Collector-base breakdown voltage (IE = 0) Emitter-base breakdown voltage (IC = 0)
IC = -10 mA
-40
V
V(BR)CBO
IC = -100 A
-40
V
V(BR)EBO
IE = -100 A IC = -0.5 A IC = -1.2 A IB = -5 mA IB = -20 mA IB = -20 mA IB = -100 mA IB = -100 mA
-5 -0.15 -0.25 -0.5 -0.7 -0.9 IB = -10 mA V CE = -2 V V CE = -2 V V CE = -2 V VCE = -2 V VCE = -1 V VCE = -1 V 100 100 100 100 90 160 130 -0.8 -0.8 200 200 -1 -1 400 400
V V V V V V V V
VCE(sat)
(1)
Collector-emitter saturation voltage
IC = -2 A IC = -3 A IC = -3 A TJ = 100 C
VBE(sat) (1) VBE(on) (1)
Base-emitter saturation voltage Base-emitter on voltage
IC = -1 A IC = -1 A IC = -10 mA IC = -500 mA
hF E
(1)
DC current gain
IC = -1 A IC = -2 A IC = -3 A
3/9
Electrical characteristics Table 4.
S y mb o l ft
STN790A
Electrical characteristics (continued)
Parameter Transition frequency Resistive load Test conditions IC = -50 mA f = 50 MHz V CE = -5 V Min. Typ. 100 Max. Unit M Hz
td tr ts tf
Delay time Rise time Storage time Fall time
IC = -3 A see Figure 8
V CC = -20 V
180 160 250 80
220 210 300 100
ns ns ns ns
IB1 = -IB2 = -60 mA
1. Pulse duration = 300 s, duty cycle 1.5%
2.1
Electrical characteristics (curves)
Figure 2. DC current gain Figure 3. DC current gain
Figure 4.
Collector-emitter saturation voltage
Figure 5.
Base-emitter saturation voltage
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STN790A Figure 6. Switching time resistive load Figure 7.
Electrical characteristics Switching time resistive load
2.2
Test circuit
Figure 8. Resistive load switching test circuit
1) Fast electronic switch 2) Non-inductive resistor
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Package mechanical data
STN790A
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
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STN790A
Package mechanical data
SOT-223 mechanical data
mm . DIM. mi n . A A1 B B1 c D e e1 E H V 3 .30 6.70 0.02 0.60 2.90 0.24 6 .30 0.70 3.00 0.26 6.50 2 .3 0 4.60 3 .50 7.00 3 .70 7.30 10 o typ m ax. 1.80 0.1 0.85 3.15 0.35 6.70
0046067_L
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Revision history
STN790A
4
Revision history
Table 5.
Dat e 24-Mar-2006 26-Jun-2008
Document revision history
Revision 3 4 Updated to new template Updated SOT-223 mechanical data. Changes
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STN790A
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