HV835 データシートの表示（PDF） - Supertex Inc
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HV835 Datasheet PDF : 6 Pages
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Electrical Characteristics (cont.)
HV835
Symbol Parameter
Min Typ Max Units Conditions
Differential output peak to peak volt-
VDIF
age across each lamp (EL1 to COM, -
160
-
EL2 to COM)
V VIN = 5.5V (See Figure 1)
fEL
VDIFF output drive frequency
170 200 230 Hz RSW = 845kΩ
fSW
Switching transistor frequency
87 102 118 kHz RSW = 845kΩ
fSW temp
Switching transistor frequency
tempco
-
15
-
% TA = -40°C to +85°C
D
Switching transistor duty cycle
IIL
Input logic low current
IIH
Input logic low current
VIL
Logic input low voltage
VIH
Logic input high voltage
-
85
-
% TA = -40°C to +85°C
-
-
1.0
μA VDD = 2.0V to 5.8V
-
-
1.0
μA VDD = 2.0V to 5.8V
0
-
0.3
V ---
1.5
-
VDD
V ---
Functional Block Diagram
LX
CS
VDD
RSW-OSC
C1
C2
GND
Control logic
and switch
oscillator
VCS
C
Disable
VSENSE
VDD
VREF
Logic control and
divide by 512
Output
Drivers
VCS
COM1
VCS
COM2
EL1
EL2
COM
Function Table
Logic Inputs
C1
C2
0
0
0
1
1
0
1
1
Outputs
EL1
EL2
Hi Z
Hi Z
Hi Z
ON
ON
Hi Z
ON
ON
3
COM
Hi Z
ON
ON
ON
Device
OFF
ON
ON
ON
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