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MD1802FX
High voltage NPN power transistor for standard definition CRT display
Features

State-of-the-art technology: - Diffused collector "Enhanced generation" Stable performances versus operating temperature variation Low base-drive requirements Tight hFE range at operating collector current Fully insulated power package U.L. compliant
1 2 3
ISOWATT218FX
Applications

Horizontal deflection output for TV Switch mode power supplies for CRT TV Figure 1. Internal schematic diagram
Description
The MD1802FX is manufactured using Diffused Collector in Planar Technology adopting new and enhanced high voltage structure. The new MD product series show improved silicon efficiency bringing updated performance to the Horizontal Deflection stage.
Table 1.
Device summary
Marking MD1802FX Package ISOWATT218FX Packing Tube
Order code MD1802FX
August 2007
Rev 2
1/11
www.st.com 11
Content
MD1802FX
Content
1 2 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 2.2 Electrical characteristics (curves) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Test circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3 4
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
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MD1802FX
Electrical ratings
1
Electrical ratings
Table 2.
Symbol VCES VCEO VEBO IC ICM IB PTOT Vins Tstg TJ
Absolute maximum rating
Parameter Collector-emitter voltage (VBE = 0) Collector-emitter voltage (IB = 0) Collector-base voltage (IC = 0) Collector current Collector peak current (tP < 5ms) Base current Total dissipation at Tc = 25C Insulation withstand voltage (RMS) from all three leads to external heatsink Storage temperature Max. operating junction temperature Value 1500 700 9 10 15 5 57 2500 -65 to 150 C 150 Unit V V V A A A W V
Table 3.
Symbol
Thermal data
Parameter Value 2.2 Unit C/W
Rthj-case Thermal resistance junction-case _______________max
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Electrical characteristics
MD1802FX
2
Electrical characteristics
(Tcase = 25C unless otherwise specified) Table 4.
Symbol ICES IEBO
Electrical characteristics
Parameter Collector cut-off current (VBE =0) Emitter cut-off current (IC =0) Test conditions VCE = 1500V VCE = 1500V; VEB = 9V TC= 125C Min. Typ. Max. 0.2 2 1 Unit mA mA mA
Collector-emitter VCEO(sus) (1) sustaining voltage (IC =0) VCE(sat) (1) VBE(sat) (1) Collector-emitter saturation voltage Base-emitter saturation voltage
IC = 100mA
700
V
IC = 5A IC = 5A IC = 1A
IB = 1.25A IB = 1.25A VCE = 5V VCE = 1V VCE = 5V IB(on) = 500mA 2.4 0.2 5.5 23 5.5
1.5 1.2
V V
hFE
(1)
DC current gain
IC = 5A IC = 5A
8.5
ts tf
Inductive load Storage time Fall time
IC = 4A
VBE(off) = -2.7V fh = 16KHz LBB(off) = 4.5H
s s
1. Pulsed: Pulse duration = 300 ms, duty cycle 1.5 %
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MD1802FX
Electrical characteristics
2.1
Electrical characteristics (curves)
Figure 2. Safe operating area 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
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Electrical characteristics Figure 8. Output characteristics
MD1802FX
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MD1802FX
Electrical characteristics
2.2
Test circuits
Figure 9. Power losses and inductive load switching
Figure 10. Reverse biased safe operating area
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Package mechanical data
MD1802FX
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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MD1802FX
Package mechanical data
ISOWATT218FX mechanical data
mm. Typ
Dim. Min. A C D D1 E F F2 G G1 H L L2 L3 L4 L5 L6 L7 N R Dia 15.30 9 22.80 26.30 43.20 4.30 24.30 14.60 1.80 3.80 3.40 5.30 2.80 3.10 1.80 0.80 0.65 1.80 10.30
Max. 5.70 3.20 3.50 2.20 1.10 0.95 2.20 11.50
5.45 15.70 10.20 23.20 26.70 44.40 4.70 24.70 15 2.20 4.20 3.80
7627132 B
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Revision history
MD1802FX
4
Revision history
Table 5.
Date 02-Aug-2006 14-Aug-2007
Document revision history
Revision 1 2 Initial release. Complete document, added all curves (2.1: Electrical characteristics (curves) Changes
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MD1802FX
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