UTC-IC T78040_12

UNISONIC TECHNOLOGIES CO., LTD
T78040
LINEAR INTEGRATED CIRCUIT
VERTICAL DEFLECTION
OUTPUT CIRCUIT
„
DESCRIPTION
The UTC T78040 is a monolithic integrated circuit and designed
for use in high-definition TV and CRT monitors. It is intended to
directly drive the deflection coil. Besides, the T78040 offers a
maximum deflection current of 1.8A peak to peak to suitable for
small to medium diameter CRTs.
„
FEATURES
* Deflection current can be 1.8A peak value
* Deflection voltage up to 70V
* Flyback generator
* Thermal protection circuit
* Low cross-over distortion
* Supports DC Coupling
„
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
T78040L-TB7-T
T78040G-TB7-T
www.unisonic.com.tw
Copyright © 2012 Unisonic Technologies Co., Ltd
Package
Packing
TO-220Z7
Tube
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T78040
„
LINEAR INTEGRATED CIRCUIT
PIN CONFIGURATIONS
7
Non-Inverting input
6
Output stage supply
5
Output
4
Ground
3
Flyback generator
2
Supply voltage
1
Inverting input
Tab connected to Pin 4
„
BLOCK DIAGRAM
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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T78040
LINEAR INTEGRATED CIRCUIT
„ ABSOLUTE MAXIMUM RATINGS (TA= 25℃)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage (pin 2 to Pin4)
VCC2
34
V
Output Peak Power Supply Voltage (Pin 5 to Pin 4)
VCC6
70
V
Output Peak Current
I5MAX
-1.5 ~ +1.5
A
Power Dissipation
PD
9
W
Junction Temperature
TJ
150
℃
Operating Temperature
TOPR
-20 ~ +85
℃
Storage Temperature
TSTG
-40 ~ +150
℃
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
„
THERAML DATA
PARAMETER
Junction to Case
„
SYMBOL
θJC
RATINGS
4.0
UNIT
°C/W
ELECTRICAL CHARACTERISTICS (TA = 25℃, VCC = 24V, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
Supply Voltage
VCC
Output Saturated Voltage to GND
VS5-4
I5=0.9A
Output Saturated Voltage to Supply
VS5-6
I5=-0.9A
Saturation Voltage on Pin 3
VS3-4
I3 = 20mA
Saturation Voltage to Pin 3 (2nd part of flyback)
VS3-2
I3 = -0.9A
Output Middle Point Voltage
VO(MID)
Quiescent Current
IQ
Recommend Biggest Deflect Current
I5P-P
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
MIN
16
TYP
24
11
35
12
MAX
33
1.3
3.2
1.8
3.0
13
65
1.8
UNIT
V
V
V
V
V
V
mA
A
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T78040
APPLICATION CIRCUITS
For AC Coupling (Single Power Supply)
+VCC
CF
3
6
2
Flyback
Generator
7
+
1
-
Power
Amplifier
+
-
Output
Stage
5
Thermal
Protection
R1
VREF
2.2V
Drive
Stage
Deflection Coil
4
0.22μF
R2
CS
R3
CL
R4
R5
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
300
For DC Coupling (Dual Power Supply)
0.47
„
LINEAR INTEGRATED CIRCUIT
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T78040
LINEAR INTEGRATED CIRCUIT
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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