STMicroelectronics-MD1802FX

Part #STMicroelectronics-MD1802FX
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STMicroelectronics-MD1802FX
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  
3
2
■
Tight h
 
range at operating collector current  
FE  
1
■
Fully insulated power package U.L. compliant  
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
T
e
chnology 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.  
Order code  
MD1802FX  
Device summary  
Marking  
Package  
ISOW
A
T
T218FX  
Packing  
MD1802FX  
T
u
be  
August 2007  
Rev 2  
1/11  
11  

MD1802FX  
Electrical ratings  
1
Electrical ratings  
Table 2.  
Symbol  
Absolute maximum rating  
Parameter  
Collector-emitter voltage (V

BE

= 0)  
Collector-emitter voltage (I

B

= 0)  
Collector-base voltage (I

C

= 0)  
Collector current  
Value  
Unit  
V
V

CES  

V

CEO  

V

EBO  

I

C  

1500  
700  
9
V
V
10  
15  
5
A
I

CM  

Collector peak current (t

P

< 5ms)  
Base current  
A
I

B  

A
P

TOT  

T
o
tal dissipation at T

c

= 25°C  
57  
W
Insulation withstand voltage (RMS) from all three leads to  
external heatsink  
V

ins  

2500  
V
T

stg  

T

J  

Storage temperature  
-65 to 150  
150  
°C  
Max. operating junction temperature  
Table 3.  
Thermal data  
Symbol  
Parameter  
Value  
Unit  
R

thj-case  

Thermal resistance junction-case
 
_______________
max  
2.2  
°C/W  
3/11  

Electrical characteristics  
MD1802FX  
2
Electrical characteristics  
(T  
= 25°C unless otherwise specified)  
case  
Table 4.  
Symbol  
Electrical characteristics  
Parameter  
Test conditions  
Min. Typ. Max. Unit  
V

CE

= 1500V  
Collector cut-off current  
(V

BE

=0)  
0.2  
2
mA  
mA  
I

CES  

V

CE

= 1500V;
 
T

C

= 125°C  
Emitter cut-off current  
(I

C

=0)  
I

EBO  

V

EB

= 9V  
1
mA  
V
Collector-emitter  
sustaining voltage  
(1)  
I

C

= 100mA  
700  
V

CEO(sus)  

(I

C

=0)  
Collector-emitter  
saturation voltage  
(1)  
I

C

= 5A  
I

C

= 5A  
I

B

= 1.25A  
I

B

= 1.25A  
1.5  
1.2  
V
V
V

CE(sat)  

Base-emitter saturation  
voltage  
(1)  
V

BE(sat)  

I

C

= 1A  
I

C

= 5A  
I

C

= 5A  
V

CE

= 5V  
V

CE

= 1V  
V

CE

= 5V  
23  
(1)  
DC current gain  
5.5  
h

FE  

5.5  
8.5  
I

C

= 4A  
I

B(on)

= 500mA  
Inductive load  
Storage time  
Fall time  
t

s  

t

f  

V

BE(off)

= -2.7V
 
f

h

= 16KHz  
2.4  
0.2  
µ
s  
µ
s  
L

BB(off)

= 4.5
µ
H  
1. Pulsed:
 
Pulse duration = 300 ms, duty cycle 1.5 %  
4/11  

MD1802FX  
Electrical characteristics  
2.1  
Electrical characteristics (curves)  
Figure 2.  
Figure 4.  
Figure 6.  
Safe operating area  
Figure 3.  
Derating curve  
DC current gain  
Figure 5.  
DC current gain  
Collector-emitter saturation
 
Figure 7.  
voltage  
Base-emitter saturation  
voltage  
5/11  
 

Electrical characteristics  
Figure 8.  
MD1802FX  
Output characteristics  
6/11  

MD1802FX  
Electrical characteristics  
2.2  
Test circuits  
Figure 9.  
Power losses and inductive load switching  
Figure 10.
 
Reverse biased safe operating area  
7/11  

Package mechanical data  
MD1802FX  
3
Package mechanical data  
In order to meet environmental requirements, ST offers these devices in ECO
P
A
CK®  
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. ECO
P
ACK is an ST trademark.  
ECO
P
ACK specifications are available at:

8/11  

MD1802FX  
Package mechanical data  
I
S
OWATT21
8
FX mechanical data  
mm.  
Typ  
Dim.  
Min.  
5.
3
0  
2.
8
0  
3
.10  
1.
8
0  
0.
8
0  
0.65  
1.
8
0  
10.
3
0  
Max.  
5.70  
3
.20  
3
.50  
2.20  
1.10  
0.
9
5  
2.20  
11.50  
A
C
D
D1  
E
F
F2  
G
G1  
H
5.45  
15.
3
0  
9
15.70  
10.20  
2
3
.20  
26.70  
44.40  
4.70  
L
L2  
L
3  
L4  
L5  
L6  
L7  
N
22.
8
0  
26.
3
0  
4
3
.20  
4.
3
0  
24.
3
0  
14.60  
1.
8
0  
3
.
8
0  
3
.40  
24.70  
15  
2.20  
R
4.20  
Di
a  
3
.
8
0  
7627132 B  
9/11  

Revision history  
MD1802FX  
4
Revision history  
Table 5.  
Date  
Document revision history  
Revision  
Changes  
02-Aug-2006  
14-Aug-2007  
1
2
Initial release.  
Complete document, added all curves (

10/11  

MD1802FX  
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