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