ChipFind - документация

Электронный компонент: CVA24150T

Скачать:  PDF   ZIP
180V CRT Driver
CVA24150T
FEATURES

Fall Time (C
LOAD
= 10pf) . . . . . . . . . . . . . . . . . . . . . . 10ns

RiseTime (C
LOAD
= 10pf) . . . . . . . . . . . . . . . . . . . . . . . 7ns

Fall Time (C
LOAD
= 20pf) . . . . . . . . . . . . . . . . . . . . . . 13ns

RiseTime (C
LOAD
= 20pf) . . . . . . . . . . . . . . . . . . . . . . 10ns

Fall Time (C
LOAD
= 30pf) . . . . . . . . . . . . . . . . . . . . . . 15ns

RiseTime (C
LOAD
= 30pf) . . . . . . . . . . . . . . . . . . . . . . 13ns

Swing Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . 100Vp-p

Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180V
BENEFITS

Low Power

Smaller Package
APPLICATIONS

High Definition Television

Projection Television

Arcades

TV Monitors
DESCRIPTION
The CVA24150T is a single channel, very high voltage
amplifier, designed to drive a CRT. It is capable of delivering
65MHz at 100V
P-P
. It features no cross-over distortion for
excellent linearity. Emitter peaking option is available to
adjust the high frequency response. CVA24150T features
high gain to match existing pre-amplifier drive capability.
ORDERING INFORMATION
Part
Package
Temperature
CVA24150T
T11A
-20
o
C to +100
o
C
CORPORATION
CONNECTION DIAGRAM
11
10
9
8
7
6
5
4
3
2
1
TAB = GND
TOP VIEW
T11A PACKAGE
1P-06
N/C
N/C
N/C
GND
GND
V
BIAS
IN
V
OUT
V
OUT
V
EMITTER
PEAKING
CC
V
SIMPLIFIED SCHEMATIC DIAGRAM
OUT
V
BIAS
V
CC
V
IN
V
EMITTER
PEAKING
11
8,9
4,5
3
2
1
1P-07
CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025
ABSOLUTE MAXIMUM RATINGS
Supply Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200V
Storage Temperature . . . . . . . . . . . . . . . . . . -25
o
C to +100
o
C
Operating Temperature . . . . . . . . . . . . . . . . -20
o
C to +100
o
C
Lead Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . +300
o
C
CVA24150T
FIGURE 1. TEST CIRCUIT
DC ELECTRICAL CHARACTERISTICS V
S
= 180V, C
L
= 10pF, DC
input bias
= 12V, V
in
= 3.4V, V
out
= 100
p-p
, T
case
= +25
o
C.
See Figure 1.
SYMBOL
CHARACTERISTICS
MIN
TYP
MAX
UNITS
I
CC
Supply Current @ 1MHz
35
40
mA
V
outDC
Output DC Level
65
70
75
V
A
V
Voltage Gain
24
26
28
V
AC ELECTRICAL CHARACTERISTICS V
S
= 180V, C
L
= 10pF, DC
input bias
= 12V, V
in
= 3.4V, V
out
= 100V
p-p
, T
case
= +25
o
C.
See Figure 1.
SYMBOL
CHARACTERISTICS
MIN
TYP
MAX
UNITS
t
r
Rise Time
10
12
ns
t
f
Fall Time
10
12
ns
BW
Bandwidth (Note 1)
70
MHz
Le
Linearity
2
5
%
OS
Overshoot
3
7
%
Note 1: -3dB at V
P-P
= 100V
V
out
R2
C6
C2
C
L
L1
V
CC
R1
OUTPUT
R1 = 47
9
R2 = 5.1K
9
D1 = FDH400
D2 = FDH400
L1 = 560nH
Q1 = 2N5770
C1 = 1.0
m
F
C2 = 1.0
m
F
C = 10pF (Including Parasitics)
L
GND
TAB
8,9
1Q-50
1
V
bias
2
V
in
D2
11
D1
V
CC
CVA24150T
82pF
22
3
4,5
33
CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025
CORPORATION
CVA24150T
CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025
FIGURE 2. APPLICATION CIRCUIT
APPLICATION INFORMATION
The CVA24150T is a very high voltage amplifier. Using standard
Cascode topology, it is designed primarily to meet the
requirement of High Definition Television (HDTV), Projection
Television, arcade displays, etc. CVA24150T can deliver
100V
P-P
yet require only 180V supply voltage. CVA24150T
frequency resplonse is excellent, can energize 20ns pixels at
100V
P-P
into 10pf. At 40pf load, rise time is 18ns.
CVA24150T has very high gain (~34) to match any of the
available pre-amplifiers. An emitter peaking option is also
provided to adjust the high frequency response.
The product is housed in industry standard 11 lead TO-220
power package.
Thermal Considerations
The transfer characteristics of the amplifier are shown in
Figure 3. Since this is a class A input stage, power supply
current increases as the input signal increases and
consequently power dissipation also increases.
The CVA24150T cannot be used without heat sinking.
Figure
3 shows the power dissipated in each channel over the
operating voltage range of the device. Under white screen
conditions, i.e.: 70V output, dissipation increases to 11W total.
The CVA24150T case temperature must be maintained below
+100
o
C. If the maximum expected ambient temperature is
+50
o
C, then a heat sink is needed with thermal resistance
equal to or less than:
R
th
=
(
100
-
50
o
C
)
11W
=
4.5
o
C/W
The CVA24150T maximum load is 600
to ground or V
+
.
The output of CVA24150T is not short circuit proof. Any
resistance to V
+
or Ground should be > 600
.
1S-01
GND
TAB
V
BIAS
C1 = 0.01
m
F
C2 = 100
m
F
C3 = 0.1
m
F
C4 = 100
m
F
C5 = 2.2
m
F
C7 = 40 - 120pf
D1, D2 = FHD400
L = 150 - 330nH
R1 = 15
W
R2 = 47
W
R3 = 47(1/2W)
W
R4 = 820
W
R2
R3
C4
C3
C2
C1
D2
D1
V 11
CC
8,9
V
OUT
C5
SPARK
GAP
CVA24150T
R4
L
V
IN
R1
VIDEO
INPUT
2
C7
V
PG
3
DC BIAS
4,5
N.C. = 6,7,10
1
FIGURE 3. CVA24150T Transfer DC Characteristics
V (VOLTS)
IN
180
160
140
120
100
90
80
60
40
20
0
1S-02
0
0.2 0.5 0.7 1.0 1.2 1.5 1.7 2.0 2.2 2.5 2.7 3.0 3.2 3.5 3.7 4.0 4.2 4.5 4.7 5.0
POWER
V
OUT
12
10
8
6
4
2
0
V

(V
)
OU
T
PO
WER (W
)
CORPORATION
CVA24150T
CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025
TYPICAL CHARACTERISTICS
1S-08
20ns/DIV
20
0m
V
/
DIV
FALL TIME
-40ns
160ns
-50mV
1.95V
V = 180V
C = 10pf
L
CC
1S-07
20ns/DIV
20
0m
V
/
DIV
RISE TIME
-40ns
160ns
-50mV
1.95V
V = 180V
C = 10pf
L
CC
1S-10
20ns/DIV
20
0m
V
/
DIV
FALL TIME
-40ns
160ns
-50mV
1.95V
V = 180V
C = 20pf
L
CC
1S-09
20ns/DIV
20
0m
V
/
DIV
RISE TIME
-40ns
160ns
-50mV
1.95V
V = 180V
C = 20pf
L
CC
1S-12
20ns/DIV
20
0m
V
/
DIV
FALL TIME
-40ns
160ns
-50mV
1.95V
V = 180V
C = 30pf
L
CC
1S-11
20ns/DIV
20
0m
V
/
DIV
RISE TIME
-40ns
160ns
-50mV
1.95V
V = 180V
C = 30pf
L
CC
CORPORATION
CVA24150T
1S-14
20ns/DIV
20
0m
V
/
DIV
FALL TIME
-40ns
160ns
-50mV
1.95V
V = 180V
C = 40pf
L
CC
1S-13
20ns/DIV
20
0m
V
/
DIV
RISE TIME
-40ns
160ns
-50mV
1.95V
V = 180V
C = 40pf
L
CC
TYPICAL CHARACTERISTICS (continued)
V
(
V
OLTS)
OUT
V
vs V
OUT
IN
180
160
140
120
100
80
60
40
20
0
1Q-47
0
0.2
0.5 0.7 1.0
1.2 1.5 1.7 2.0 2.2 2.5 2.7 3.0 3.2 3.5
3.7 4.0 4.2 4.5 4.7 5.0
V (VOLTS)
IN
V = 180V
CC
I
CC
(m
A
)
V
OUT
V

(
V

)
OUT
P-P
120
100
80
60
40
20
0
1S-06
10
FREQUENCY (MHz)
20
30
50
70
80
90
V
vs FREQUENCY vs I
OUT
CC
90
80
70
60
50
40
30
I
CC
CORPORATION
CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025