HV859 データシートの表示（PDF） - Supertex Inc
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HV859 Datasheet PDF : 8 Pages
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Enable/Disable Function Table
Sym Parameter
EN-L Logic input low voltage
EN-H Logic input high voltage
HV859
Min
Typ Max
0
-
0.2
VDD - 0.2
-
VDD
Units
V
V
Conditions
VDD = 1.8 to 5.0V
VDD = 1.8 to 5.0V
Electrical Characteristics
DC Characteristics (Over recommended operating conditions unless otherwise specified VIN = VDD = 3.3V, TA = 25°C)
Sym Parameter
Min
Typ Max Units Conditions
RDS(ON) On-resistance of switching transistor
-
VCS
Max. output regulation voltage
95
VA – VB Peak to peak output voltage
190
IDDQ
Quiescent VDD supply current
-
IDD
Input current going into the VDD pin
-
IIN
Input current including inductor
current
-
-
6.0
105 115
210 230
-
150
-
150
26 35
Ω I = 100mA
V
VDD = 1.8 to 5.0V
V
VDD = 1.8 to 5.0V
nA
RSW-Osc = Low
µA VDD = 1.8 to 5.0V. See Fig. 1.
mA See Fig. 1.*
VCS
Output voltage on VCS
FEL
EL lamp frequency
Fsw Switching transistor frequency
D
Switching transistor duty cycle
-
90
-
V See Fig. 1.
175
205 235
Hz See Fig. 1.
-
77
-
kHz ---
-
88
-
% See Fig. 1.
* The inductor used is a 220µH Murata inductor, max DC resistance of 8.4Ω, part # LQH32CN221K21.
Functional Block Diagram
VDD
RSW-Osc
Switch
OSC
LX
CS
Q
GND
VA
C
Disable
VSENSE
High Q
Voltage
Level
Trans-
VDD
VREF
lators
RSW-Osc
Switch
OSC
Q
VB
Q
Doc.# DSFP-HV859
C073013
Supertex inc.
3
www.supertex.com
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