HV506DG Ver la hoja de datos (PDF) - Supertex Inc

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HV506DG

275V 40-Channel Row Driver with SCR Outputs

Supertex Inc 

HV506

Typical Output Circuit Connections

+HV

+

12V –

LVDD

LVSS

VDD

Source SCR

D3

D4

D1

Sink SCR

HV506

HVOUT

D2

DN

DP

GND

VSS

-HV

Note: The voltage potential between LVDD/VDD and LVSS/VSS must not exceed

recommended operating conditions of 10.8V - 13.2V (12V typical)

Substrate Bias Operation

In order to achieve the desired output breakdown voltage, the

substrate must be biased to the most positive potential of any

circuit node.

For

this

condition,

V

sub

≥

V

DD

or

HV

OUT

whichever

is

higher. Refer to Typical Output Circuit Connections for wiring. A

typical V signal is shown below.

sub

Vsub

VSS

-HV

Vcolumns

0V

+ HV

Note: In general, when driving the outputs positive, VSUB = +HV. And when driving

outputs negative, VSUB equals most positive voltage; e.g. GND or >0V.

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