HV853
Symbol Parameter
Min
Typ
Max
Units Conditions
ENrise
ENfall
Cin
Enable input rise time (for delay turn off) 0.01
-
-
-
10
5.0
10
ms
µs
Using external R-C circuit,
see Figure 2
Enable input fall time (for delay turn off)
Logic input capacitance
10
-
pF
---
Recommended Operating Conditions
Symbol Parameter
Min
Typ
Max
5.0
Units Conditions
VDD
fEL
Input voltage
3.2
50
0
-
-
-
-
V
---
---
---
---
EL lamp frequency
EL lamp capacitance
Operating temperature
500
5.3
Hz
nF
OC
Cload
TA
-25
+85
Typical Output Waveform
Functional Block Diagram
VDD
VDD
Capacitor
Charge
Pump Circuit
VA
EN
High
Voltage
Level
VSENSE
Feedback
Trans-
lators
VDD
CLKIN
CLKEN
REL
VB
EL
Oscillator
MOSFET
Full Bridge
GND
3
SUPERTEX [ Supertex, Inc ]
