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STV9379F
VERTICAL DEFLECTION BOOSTER
STV9379FVERTICAL DEFLECTION BOOSTER
August 1998
PIN CONNECTIONS POWER AMPLIFIER. THERMAL PROTECTION. OUTPUT CURRENT UP TO 2.0APP. FLYBACK VOLTAGE UP TO 90V (on Pin 5). SUITABLE FOR DC COUPLING APPLICATION. EXTERNAL FLYBACK SUPPLY
DESCRIPTIONDesigned for monitors and high performance TVs,
the STV9379F vertical deflection booster can han-
dle flyback voltage up to 90V. Further to this, it is
possible to have a flyback voltage which is more
than the double of the supply (Pin 2). This allows
to decrease the power consumption, or to decrease
the flyback time for a given supply voltage.
The STV9379F operates with supplies up to 42V
and provides up to 2.0APP output current to drive
the yoke.
The STV9379F is offered in HEPTAWATT package.
1/5
BLOCK DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Notes : 1. Versus Pin 4. The output current can reach 4A peak for t ≤ 10μs (up to 120Hz). Provided SOAR is respected (see Figures 1 and 2).
THERMAL DATA
STV9379F2/5
ELECTRICAL CHARACTERISTICS(VS = 42V, TA = 25o C, unless otherwise specified)
APPLICATION CIRCUITSAC COUPLING
STV9379F3/5
APPLICATION CIRCUITS (continued)DC COUPLING
110 (A)C
Figure 1 : Output Transistors SOA
(for secondary breakdown)
STV9379F4/5
PACKAGE MECHANICAL DATA : 7 PINS - PLASTIC HEPTAWATT
Information furnished is believed to be accurate and reliable.
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 components in life support devices or systems
without express written approval of STMicroelectronics.
The ST logo is a registered trademark of STMicroelectronics© 1998 STMicroelectronics - All Rights Reserved
Purchase of I2
C Components of STMicroelectronics, conveys a license under the Philips I2
C Patent.
Rights to use these components in a I2
C system, is granted provided that the system conforms to
the I2
C Standard Specifications as defined by Philips.
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STV9379F5/5
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