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STV9379A
VERTICAL DEFLECTION BOOSTER
. . . . . .
POWER AMPLIFIER FLYBACK GENERATOR THERMAL PROTECTION OUTPUT CURRENT UP TO 2.6APP FLYBACK VOLTAGE UP TO 90V (on Pin 5) SUITABLE FOR DC COUPLING APPLICATION
HEPTAWATT (Plastic Package)
DESCRIPTION Designed for monitors and high performance TVs, the STV9379A vertical deflection booster delivers flyback voltages close to 90V. The STV9379A operates with supplies up to 42V and provides up to 2.6APP output current to drive the yoke. The STV9379Ais offeredin HEPTAWATT package. PIN CONNECTIONS
ORDER CODE : STV9379A
7 6 5 4 3 2 1
Non-inverting Input Output Stage Supply Output GND or Negative Supply Flyback Generator Supply Voltage Inverting Input
Tab connected to pin 4
9379A-01.EPS
August 1998
1/5
STV9379A
BLOCK DIAGRAM
OUTPUT SUPPLY STAGE VOLTAGE SUPPLY
2 6
FLYBACK GENERATOR
3
FLYBACK GENERATOR
INVERTING INPUT
1
POWER AMPLIFIER
NON-INVERTING INPUT
7
5
OUTPUT
THERMAL PROTECTION
4
9379A-02.EPS
STV9379A
GROUND or NEGATIVE SUPPLY
ABSOLUTE MAXIMUM RATINGS
Symbol VS V6 V1 , V7 IO I3 I3 VESD Toper Tstg Tj
Notes : 1. 2. 3.
Parameter Supply Voltage (Pin 2) (see note 1) Flyback Peak Voltage (Pin 6) (see note 1) Amplifier Input Voltage (Pins 1-7) (see note 1) Maximum Output Peak Current (see notes 2 and 3) Maximum Sink Current (first part of flyback) (t < 1ms) Maximum Source Current (t < 1ms) (see note 2) ESD susceptibility : EIAJ Norm (200pF discharged through 0) Operating Ambient Temperature Storage Temperature Junction Temperature
Versus Pin 4. The output current can reach 5A peak for t 10s (up to 120Hz). Provided SOAR is respected (see Figures 1 and 2).
Value 50 100 - 0.3, + VS 1.8 1.8 1.8 300 - 20, + 75 - 40, + 150 +150
Unit V V V A A A V
o o o
C C
THERMAL DATA
Symbol R th (j-c) Tt Tt Tjr Parameter Junction-case Thermal Resistance Temperature for Thermal Shutdown Hysteresis on Tt Recommended Max. Junction Temperature Max. Value 3 150 10 120 Unit
o
C/W
o o o
C C
2/5
9379A-02.TBL
C
9379A-01.TBL
C
STV9379A
ELECTRICAL CHARACTERISTICS (VS = 42V, TA = 25oC, unless otherwise specified)
Symbol VS I2 I6 IO I1 I7 VIO VIO/t GV V5L V5H VD5 - 6 VD3 - 2 V3L V3SH Parameter Operating Supply Voltage Range Pin 2 Quiescent Current Pin 6 Quiescent Current Max. Operating Peak Output Current Amplifier Bias Current Amplifier Bias Current Offset Voltage Offset Drift versus Temperature Voltage Gain Output Saturation Voltage to GND (Pin 4) Output Saturation Voltage to Supply (Pin 6) Diode Forward Voltage between Pins 5-6 Diode Forward Voltage between Pins 3-2 Saturation Voltage on Pin 3 Saturation Voltage to Pin 2 (2nd part of flyback) I5 = 1.3A I5 = - 1.3A I5 = 1.3A I3 = 1.3A I3 = 20mA I3 = - 1.3A 80 1 1.6 1.3 1.3 0.8 2.9 1.5 2.2 2 2 1.2 3.6 - 10 V1 = 22V, V 7 = 23V V1 = 23V, V 7 = 22V - 0.15 - 0.15 Test Conditions Versus Pin 4 I3 = 0, I5 = 0 I3 = 0, I5 = 0 5 Min. 10 13 10 Typ. Max. 42 20 30 1.3 -1 -1 7 Unit V mA mA A A A mV V/oC dB V V V V V
9379A-03.TBL
V
APPLICATION CIRCUITS AC COUPLING
+VS CF
2
6
3
FLYBACK GENERATOR
R5
1
POWER AMPLIFIER THERMAL PROTECTION
5
0.22F 1.5
7 VREF
Rd (*)
Ly Yoke
STV9379A
4
R3
R4
CL
R2 Ly Ly < Rd < (*) 50s 20s
9379A-03.EPS
R1
3/5
STV9379A
APPLICATION CIRCUITS (continued) DC COUPLING
+VS CF
2 6 3
FLYBACK GENERATOR
R5
1
VREF+
0.22F 1.5
Vertical Position Adjustment
POWER AMPLIFIER THERMAL PROTECTION
5
7
Rd (*)
Ly Yoke
STV9379A
4
-VEE
R2 Ly Ly < Rd < (*) 50s 20s
9379A-04.EPS
R1
Figure 1 : Output Transistors SOA (for secondary breakdown)
I C (A)
@ T case = 25C
Figure 2 : SecondaryBreakdown Temperature Derating Curve (ISB = secondary breakdown current)
ISB (%) 100 90
10
1
80
10 -1 t = 1ms t = 10ms t = 100ms 1 10
70
9379A-05.EPS
10 -2
10 2
60 25 50 75 100 125
4/5
9379A-06.EPS
V CE (V)
T case (C)
STV9379A
PACKAGE MECHANICAL DATA : 7 PINS - PLASTIC HEPTAWATT
Dimensions Min. A C D D1 E F F1 G G1 G2 H2 H3 L L1 L2 L3 L5 L6 L7 M M1 Dia.
Millimeters Typ.
2.4 1.2 0.35 0.6 2.41 4.91 7.49 10.05 16.97 14.92 21.54 22.62 2.6 15.1 6 2.8 5.08 3.65 2.54 5.08 7.62
Max. 4.8 1.37 2.8 1.35 0.55 08 0.9 2.67 5.21 7.8 10.4 10.4
Min.
Inches Typ.
0.094 0.047 0.014 0.024 0.095 0.193 0.295 0.396 0.668 0.587 0.848 0.891 0.100 0.200 0.300
Max. 0.189 0.054 0.110 0.053 0.022 0.031 0.035 0.105 0.205 0.307 0.409 0.409
3 15.8 6.6
0.102 0.594 0.236 0.110 0.200
0.118 0.622 0.260
HEPTV.TBL
3.85
0.144
0.152
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 licence 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 comp onents in lifesupport devicesor systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics (c) 1998 STMicroelectronics - All Rights Reserved Purchase of I C Components of STMicroelectronics, conveys a license under the Philips I 2C Patent. Rights to use these components in a I 2C system, is granted provided that the system conforms to the I2C Standard Specifications as defined by Philips. STMicroelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - France - Germany - Italy - Japan - Korea - Malaysia - Malta - Mexico - Morocco - The Netherlands Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A.
2
5/5
PM-HEPTV.EPS

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