HV430 Supertex, Inc., HV430 Datasheet - Page 4

• Manufacturer Part Number: HV430
• Description: High Voltage Ring Generator
• Manufacturer: Supertex, Inc.

Truth Table
* Unused logic inputs should be connected to V
Block Diagram and Application Circuit
N
H
H
H
X
X
L
L
L
IN
Note: P
A Reset capacitor in the range of 1-10µF will yield a couple-second turn-on delay. Tantalum is recommended.
FAULT
DEADBAND
V
ENABLE
RESET
DD
Logic Inputs*
MODE
P
H
H
X
X
X
X
L
L
IN
N
P
IN
IN
IN
, N
IN
mode
, and ENABLE are internally pulled low. MODE is internally pulled high.
H
H
H
H
L
L
X
X
V
DD
Control
Logic
10µA
De-glitcher
EN
clk
H
H
H
H
H
H
X
L
reset
> V
> V
> V
> V
> V
> V
< V
RESET
reset(on)
reset(on)
reset(on)
reset(on)
reset(on)
reset(on)
reset(off)
X
DD
or GND.
GND
SIG
+5V
V
DD
PWR
GND
External N-Channel
Translator
Translator
Translator
Translator
Down
Down
Up
Up
MOSFET
Regulator
Regulator
V
V
OFF
OFF
OFF
OFF
OFF
OFF
4
ON
ON
NN2
PP2
V
V
PP2
NN2
Current
Current
Driver
Driver
Trip
Trip
N
P
Output
V
V
V
NC
NC
V
V
V
External P-Channel
PP1
PSEN
PGATE
NGATE
NSEN
NN1
MOSFET
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
V
V
PP1
NN1
R sense
R sense
Ringer
Output
HV430