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BD6xxx
Complementary power Darlington transistors
Features

.
Good hFE linearity High fT frequency Monolithic Darlington configuration with integrated antiparallel collector-emitter diode
1
Applications
3
2
Linear and switching industrial equipment
SOT-32
Description
The devices are manufactured in planar base island technology with monolithic Darlington configuration. Figure 1. Internal schematic diagram
R1 typ.= 15 K
R2 typ.= 100
Table 1.
Device summary
Marking BD677 BD677A BD678 BD678A BD679 SOT-32 BD679A BD680 BD680A BD681 BD682 BD679A BD680 BD680A BD681 BD682 Rev 5 1/12
www.st.com 12
Order codes BD677 BD677A BD678 BD678A BD679
Package
Packaging
Tube
January 2008
Contents
BD6xxx
Contents
1 2 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 2.2 Typical characteristic (curves) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3 4
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
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BD6xxx
Absolute maximum ratings
1
Table 2.
Absolute maximum ratings
Absolute maximum ratings
Value NPN BD677 BD677A BD678 BD678A 60 BD679 BD679A BD680 BD680A 80 5 4 6 0.1 40 -65 to 150 150 BD681
Symbol
Parameter
Unit
PNP VCBO VCEO VEBO IC ICM IB PTOT Tstg TJ Collector-base voltage (IE = 0) Collector-emitter voltage (IB = 0) Emitte-base voltage (IC = 0) Collector current Collector peak current Base current Total dissipation at Tcase = 25C Storage temperature Max. operating junction temperature
BD682
100
V V A A A W C C
Note:
For PNP types voltage and current values are negative
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Electrical characteristics
BD6xxx
2
Electrical characteristics
(Tcase = 25C; unless otherwise specified) Table 3.
Symbol ICEO
Electrical characteristics
Parameter Collector cut-off current (IB = 0) Collector cut-off current (IE = 0) Emitter cut-off current (IC = 0) Test conditions VCE = half rated VCEO VCE = rated VCBO VCE = rated VCBO Tc = 100 C VEB = 5 V for BD677, BD677A, BD678, BD678A IC = 50 mA 2 2 mA Min. Typ. Max. 0.5 0.2 mA Unit mA
ICBO
IEBO
60
VCEO(sus)(1)
Collector-emitter sustaining voltage (IB = 0)
for BD679, BD679A, BD680, BD680A IC = 50 mA for BD681, BD682 IC = 50 mA
80
V
100
VCE(sat)(1)
for BD677, BD678, BD679, BD680, BD681, BD682 Collector-emitter saturation IC = 1.5 A IB = 30 mA voltage for BD677A, BD678A, BD679A, BD680A IB = 40 mA IC = 2 A for BD677, BD678, BD679, BD680, BD681, BD682 IC = 1.5 A ___ VCE = 3 V for BD677A, BD678A, BD679A, BD680A VCE = 3 V IC = 2 A
2.5 V 2.8
VBE(1)
Base-emitter voltage
2.5
V
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BD6xxx Table 3.
Symbol
Electrical characteristics Electrical characteristics (continued)
Parameter Test conditions for BD677, BD678, BD679, BD680, BD681, BD682 IC = 1.5 A_ _ VCE = 3 V for BD677A, BD678A, BD679A, BD680A IC = 2 A_ _ VCE = 3 V
1. Pulsed duration = 300 ms, duty cycle 1.5%.
Min.
Typ.
Max.
Unit
hFE(1)
DC current gain
750
Note:
For PNP types voltage e current values are negative.
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Electrical characteristics
BD6xxx
2.1
Typical characteristic (curves)
Figure 2. DC current gain (NPN) Figure 3. DC current gain (PNP)
Figure 4.
DC current gain (NPN)
Figure 5.
DC current gain (PNP)
Figure 6.
Collector-emitter saturation voltage (NPN)
Figure 7.
Collector-emitter saturation voltage (PNP)
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BD6xxx Figure 8. Base-emitter saturation voltage (NPN) Figure 9.
Electrical characteristics Base-emitter saturation voltage (PNP)
Figure 10. Base-emitter voltage (NPN)
Figure 11. Base-emitter voltage (PNP)
Figure 12. Resistive load switching time Figure 13. Resistive load switching time (NPN, on) (PNP, on)
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Electrical characteristics
BD6xxx
Figure 14. Resistive load switching time Figure 15. Resistive load switching time (NPN, off) (PNP, off)
2.2
Test circuit
Figure 16. Resistive load switching test circuit
1) Fast electronic switch 2) Non-inductive resistor
Note:
For PNP types voltage e current values are negative.
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BD6xxx
Package mechanical data
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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Package mechanical data
BD6xxx
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BD6xxx
Revision history
4
Revision history
Table 4.
Date 21-Jun-2004
Document revision history
Revision 4 Changes
1.
14-Jan-2008 5
Technology change from epybase to planar. Updated Section 2.1: Typical characteristic (curves) on page 6 Content reworked to improve readability.
2. 3.
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BD6xxx
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