STMICROELECTRONICS STV9380

STV9380
CLASS-D VERTICAL DEFLECTION AMPLIFIER FOR TV AND
MONITOR APPLICATION
TARGET SPECIFICATION
FEATURES
■
■
■
■
■
■
■
High Efficiency Power Amplifier
No Heatsink
Split Supply
Flyback Generator
Output Current up to 2.5 APP
Flyback Voltage up to 65V
Suitable for DC Coupling Application
PDIP20 (14+3+3)
ORDER CODE: STV9380
DESCRIPTION
Designed for monitors and TVs, the STV9380 is a
class-D vertical deflection booster assembled in
PDIP20 Package.
It operates with supplies up to +/- 16V, provides
up to 2.5 App output current to drive the yoke. Flyback voltage is close to 65V.
PIN CONNECTION
-VCC
1
20
-VCC
-VCC
2
19
-VCC
-VCC
3
18
-VCC
OUT
4
17
-VCCPOW
CFLY +
5
16
+ VCC POW
CFLY -
6
15
+VCC
BOOT
7
14
EAout
VREG
8
13
IN+
9
12
10
11
INSGND
FEEDCAP
FREQ
Version 1.1
May 2000
This is preliminary information on a new product now in development. Details are subject to change without notice.
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STV9380
1 - PIN FUNCTIONS
Pin
Number
Name
1
-VCC
Negative supply
2
-VCC
Negative supply
3
-VCC
Negative supply
4
OUT
PWM Output
5
CFLY+
Flyback capacitor
6
CFLY-
Flyback capacitor
7
BOOT
Bootstrap capacitor
8
VREG
Internal voltage regulator
9
FEEDCAP
10
FREQ
Frequency setting resistor
11
SGND
Signal Ground
12
IN-
Error amplifier inverting input
13
IN+
Error amplifier non-inverting input
14
EA out
15
+VCC
16
+VCCPOW
Positive Power supply
17
-VccPOW
Negative Power supply
18
-VCC
Negative supply
19
-VCC
Negative supply
20
-VCC
Negative supply
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2
Function
Feed-back integrated capacitor
Error amplifier output
Positive supply
Figure 1. Test and Application Circuit
+VCC
100nF
470µF
15
+VCC
VREG
-VCC
Flyback
detection
Vref
8
16
+VCC power
TDA9380
STV9380
Flyback
generator
CFLY+
5
100nF
6
CFLYBACK
100µF
CFLYBOOT
IN+
13
1kΩ
Input signal
IN EA out
Cboot
100nF
7
+
Output
drive
Modulator
_
12
OUT
4
1mH
150Ω
470nF
14
Deflect.
Yoke
200Ω
Pins 1,2,3,18,19,20
10kΩ
1kΩ
150Ω
9
11
SGND
FEEDCAP
4.7nF
10
560pF
17
FREQ
10kΩ
-VCC
-VCC power
100nF
0.5Ω
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2
STV9380
-VCC
470µF
STV9380
Figure 2. Rth with “on board” Square Heatsink vs. copper area
Rthj-a
(×C/W)
D97AU675
COPPER AREA 35∝
THICKNESS
60
PC BOARD
50
40
30
0
4
8
12
Area(cm2)
2 - ABSOLUTE MAXIMUM RATING
Symbol
VCC
Tstg, Tj
Top
VESD
Iout
Parameter
DC Supply Voltage
Storage and Junction Temperature
Operating Temperature Range
ESD Susceptibility - Human Body Model (100 pF discharge through
1.5 kΩ)
Output current
Value
Unit
±18
V
-40 to +150
°C
0 to +70
°C
±2
kV
±1.6
A
Value
Unit
3 - THERMAL DATA
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2
Symbol
Parameter
Rth j-amb
Thermal resistance Junction to ambiant
80
°C/W
Rth j-pin
Thermal Resistance Junction to Pin
12
°C/W
STV9380
4 - ELECTRICAL CHARACTERISTICS
(refer to Figure 1 on page 3)
Tamb = 25°C unless otherwise specified, Vcc = ±12V
Symbol
Parameter
Vcc
Supply range
Iout
Maximum recommended output current
Iq
I13, I12
Quiescent supply current
Test Conditions
Min.
Typ.
±10
Input voltage = 0
TBD
Amplifier Input bias current
Max.
Units
±16
V
±1.25
A
TBD
mA
µA
-0.1
VOS
Output Offset voltage
Input voltage = 0
SVR
Supply voltage rejection
TBD
TBD
dB
Flythr
Flyback detection threshold
positive slope
V(14)
1.5
V
Flythf
Flyback detection threshold
negative slope
V(14)
0.5
V
Efficiency = Po/(Po + Pd)
Po = 3 W
η
Fsw
-50
+50
mV
TBD
Switching frequency
120
Fsw - op
Switching frequency operative range
100
Rfreq
Frequency controller resistor
range
7
140
10
160
kHz
200
kHz
14
kΩ
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2
STV9380
5 - PACKAGE MECHANICAL DATA
e4
R1
N
N
K1
I
K
a2
A
a1
K2
e
B
b
Z
F
e3
E
D
D1
11
20
10
1
Dimensions
A
a1
a2
B
b
b1
C
D
D1
E
e
e3
e4
F
I
L
N
R1
K
K1
K2
Z
6/7
3
b1
C
L
R1
TIE BAR CENTER
Typ.
3.30
0.762
1.30
1.27
0.508
0.43
24.65
24.38
8.80
2.54
22.86
7.62
6.35
4.06
3.30
10d
0.40
2.00
2.40
0.50
Millimeters
Min.
3.18
0.508
Max.
3.43
1.016
0.85
0.45
0.38
5.20
24.55
24.33
8.40
2.29
22.60
7.36
6.22
3.81
3.00
1.40
0.53
0.48
6.00
24.77
24.45
9.10
2.79
23.11
7.87
6.47
4.31
3.70
1.90
2.30
0.45
2.16
2.50
0.55
1.27
Typ.
0.130
0.030
0.051
0.050
0.020
0.017
0.970
0.959
0.346
0.100
0.900
0.300
0.250
0.160
0.130
10d
0.016
0.079
0.094
0.020
Inches
Min.
0.125
0.020
Max.
0.135
0.040
0.033
0.018
0.015
0.205
0.966
0.958
0.331
0.090
0.890
0.290
0.245
0.150
0.118
0.055
0.021
0.019
0.236
0.975
0.962
0.358
0.110
0.910
0.310
0.255
0.170
0.146
0.075
0.090
0.018
0.085
0.098
0.022
0.050
STV9380
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of
third parties which may result from its use. No license is granted by implication or otherwise under any patent
or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics
products are not authorized for use as critical components in life support devices or systems without the express written approval of STMicroelectronics.
The ST logo is a registered trademark of STMicroelectronics
2000 STMicroelectronics - All Rights Reserved.
Purchase of I2C Components by STMicroelectronics conveys a license under the Philips I2C Patent. Rights to use these
components in an I2C system is granted provided that the system conforms to the I2C Standard Specification as defined
by Philips.
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