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