HIGH VOLTAGE FAST-SWITCHING POWER DARLINGTON TRANSISTOR STMicroel
|
|
|
Top Searches for this datasheet
BU808DFI
HIGH VOLTAGE FAST-SWITCHING POWER DARLINGTON TRANSISTOR
STMicroelectronics PREFERRED SALESTYPE MONOLITHIC DARLINGTON WITH INTEGRATED FREE-WHEELING DIODE HIGH VOLTAGE CAPABILITY 1400 HIGH CURRENT GAIN TYP. FULLY INSULATED PACKAGE (U.L. COMPLIANT) EASY MOUNTING BASE-DRIVE REQUIREMENTS DEDICATED APPLICATION NOTE AN1184
APPLICATIONS COST EFFECTIVE SOLUTION HORIZONTAL DEFLECTION INCHES. DESCRIPTION BU808DFI transistor monolithic Darlington configuration. manufactured using Multiepitaxial Mesa technology cost-effective high performance.
ISOWATT218
INTERNAL SCHEMATIC DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol isol Parameter Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Collector Current Collector Peak Current Base Current Base Peak Current Total Dissipation Insulation Withstand Voltage (RMS) from Three Leads Exernal Heatsink Storage Temperature Max. Operating Junction Temperature Value 1400 2500 Unit
April 2002
BU808DFI
THERMAL DATA
thj-case Thermal Resistance Junction-case
ELECTRICAL CHARACTERISTICS (Tcase unless otherwise specified)
Symbol CE(sat) BE(sat) Parameter Collector Cut-off Current Emitter Cut-off Current Collector-Emitter Saturation Voltage Base-Emitter Saturation Voltage Current Gain INDUCTIVE LOAD Storage Time Fall Time INDUCTIVE LOAD Storage Time Fall Time Test Conditions 1400 Min. Typ. Max. Unit
BE(off) BE(off)
Diode Forward Voltage
Pulsed: Pulse duration duty cycle
Safe Operating Area
Thermal Impedance
BU808DFI
Derating Curve Current Gain
Collector Emitter Saturation Voltage
Base Emitter Saturation Voltage
Power Losses
Switching Time Inductive Load 16KHz
BU808DFI
Switching Time Inductive Load 16KHZ Reverse Biased
BASE DRIVE INFORMATION order saturate power switch reduce conduction losses, adequate direct base current provided lowest gain (line scan phase). other hand, negative base current must provided turn power transistor (retrace phase). Most dissipation, deflection application, occurs switch-off. Therefore essential determine value which minimizes power losses, fall time and, consequently, curves have been defined give total power losses, function both scanning frequencies choosing optimum negative drive. test circuit illustrated figure Inductance serves control slope negative base current recombine excess carrier collector when base current still present, this would avoid tailing phenomenon collector current. values calculated from following equations: (IC)2 (VCEfly)2 Where operating collector current, VCEfly= flyback voltage, frequency oscillation during retrace.
BU808DFI
Figure Inductive Load Switching Test Circuits.
Figure Switching Waveforms Deflection Circuit
BU808DFI
ISOWATT218 MECHANICAL DATA
DIM. TYP. inch TYP.
MIN. 5.35 3.30 2.90 1.88 0.75 1.05 1.50 1.90 10.80 15.80 20.80 19.10 22.80 40.50 4.85 20.25
MAX. 5.65 3.80 3.10 2.08 0.95 1.25 1.70 2.10 11.20 16.20 21.20 19.90 23.60 42.50 5.25 20.75
MIN. 0.211 0.130 0.114 0.074 0.030 0.041 0.059 0.075 0.425 0.622 0.819 0.752 0.898 1.594 0.191 0.797 0.083
MAX. 0.222 0.150 0.122 0.082 0.037 0.049 0.067 0.083 0.441 0.638 0.835 0.783 0.929 1.673 0.207 0.817 0.091
0.354
0.138
0.181 0.146
Weight (typ.) Maximum Torque (applied mounting flange) Recommended: Maximum: side dissipator must flat within
P025C/A
BU808DFI
Information furnished believed accurate reliable. However, STMicroelectronics assumes responsibility consequences such information infringement patents other rights third parties which result from use. license granted implication otherwise under patent patent rights STMicroelectronics. Specification mentioned this publication subject change without notice. This publication supersedes replaces information previously supplied. STMicroelectronics products authorized critical components life support devices systems without express written approval STMicroelectronics. logo trademark STMicroelectronics 2002 STMicroelectronics Printed Italy Rights Reserved STMicroelectronics GROUP COMPANIES Australia Brazil Canada China Finland France Germany Hong Kong India Israel Italy Japan Malaysia Malta Morocco Singapore Spain Sweden Switzerland United Kingdom United States. http://www.st.com
Other recent searches
NJL5801K - NJL5801K NJL5801K Datasheet
LTC1645 - LTC1645 LTC1645 Datasheet
LTC1735 - LTC1735 LTC1735 Datasheet
CSC0103A - CSC0103A CSC0103A Datasheet
Privacy Policy | Disclaimer
© 2012 Datasheet Archive
