HV831MG Supertex, HV831MG Datasheet
HV831MG
Specifications of HV831MG
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HV831MG Summary of contents
Page 1
... The bigger sized lamp should be tied to EL1 and the smaller Supertex inc. General Description The Supertex HV831 is a high voltage driver designed for driving two EL lamps with a combined area of 3.5 square inches. The input supply voltage range is from 2.0 to 5.0V. The device is designed to reduce the amount of audible noise emitted by the lamp ...
Page 2
... Ordering Information Package Option 10-Lead MSOP Device 3.00x3.00mm body 1.10mm height (max) 0.50mm pitch HV831 HV831MG-G -G indicates package is RoHS compliant (‘Green’) Absolute Maximum Ratings Parameter Supply voltage Supply voltage Operating ambient temperature range Storage temperature range Power dissipation 10-Lead MSOP Absolute Maximum Ratings are those values beyond which damage to the device may occur ...
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... Switching transistor duty cycle Input logic low current going into the I control pin IL Input logic low current going into the I control pin IH V Logic input low voltage EN-L V Logic input high voltage EN-H Supertex inc. Min Typ - - 2 144 160 - - - - - ...
Page 4
... 4.7µ any (equivalent or better) > 90V, fast recovery diode. 2. Murata LQH32CN561K21. 3. The bigger sized lamp should be tied to EL1 and the smaller Device Lamp EL1 HV831MG Both EL1 and EL2 ON Supertex inc. V SENSE + - Disable V REF Logic Control & Divide by 128 C1 EL1 1 ...
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... IN Audible Noise Reduction This section describes a method (patented) developed at Supertex to reduce the audible noise emitted by the EL lamps used in application sensitive to audible noise. The waveform takes the shape of approximately 2RC time constants for rising and 2RC time constants for falling, where C is the ...
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... EL Lamps 2.0 2.5 3.0 3.5 V (V) IN Brightness vs Vin 2.0 2.5 3.0 3 100 Supertex inc. Lamp = 1.3in , EL Lamp = 0.93in 4.0 4.5 2 4.0 4 Brightness vs Inductor Value Brightness (measured on EL1 lamp 200 300 400 Inductor Value (mH) ● 1235 Bordeaux Drive, Sunnyvale, CA 94089 3.0V ...
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... EL lamp 2 connection. For optimum performance, the smaller of the two lamps should be 9 EL2 connected to this pin. EL lamp 1 connection. For optimum performance, the larger of the two lamps should be connected 10 EL1 to this pin. Supertex inc. , the value of the resistor R SW1 ● 1235 Bordeaux Drive, Sunnyvale, CA 94089 7 decreases. A 470kΩ resistor will SW-OSC ...
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... This dimension is not specified in the JEDEC drawing. Drawings are not to scale. Supertex Doc. #: DSPD-10MSOPMG, Version F041309 does not recommend the use of its products in life support applications, and will not knowingly sell them for use in such applications unless it receives Supertex inc. ...