HV441 Supertex, Inc., HV441 Datasheet - Page 4

• Manufacturer Part Number: HV441
• Description: High-voltage Ring Generator
• Manufacturer: Supertex, Inc.

Functional Block Diagram
ON/OFF
Output1
Input2+
Input1+
osc out
Input1-
osc in
V
V
GND
osc2
osc1
DD1
REF
op-amp1
Input2-
OSC
+
-
V
DD1
op-amp2
comp
V
+
-
+
–
DD2
÷4
Output2
Input3+
Zero Voltage
V
Pulse Width
Generator
Regulator
Detection
DD2
Crossing
op-amp3
Ramp
V
V
DD2
DD2
Input3-
V
+
–
DD2
Output3
Translator
Translator
4
Voltage
Voltage
Level
Level
High
High
Linear
V
Linear
Reg
Reg
DD2
Current
Current
Sense
Sense
Driver
Driver
and
and
V
V
V
HV
V
V
V
V
P
psen
pgate
PP2
ngate
nsen
NN2
NN1
GND
OUT
V
PP1
HV441