HV461 Supertex, Inc., HV461 Datasheet - Page 6

• Manufacturer Part Number: HV461
• Description: Ring Generator Controller Ic
• Manufacturer: Supertex, Inc.

PWM Controller
PWM Frequency
Switch Driver Outputs
Timing
t
V
PWMSYNC(OUT)
t
f
PWMSYNC(IN)
PWMSYNC(IN)
I
PWMSYNC(lo)
Sym
PWMSYNC
V
V
D
f
t
t
OUT(lo)
OUT(hi)
I
t
PWM
RISE
FALL
t
DCL
DLY
D
DB
limit
Parameter
PWM frequency
PWM sync output pulse
width
PWM sync input pulse width
PWM sync input frequency
range
PWM sync output low
voltage
PWM sync pull-up current
Output voltage, low
Output voltage, high
Rise time
Fall time
Duty cycle
Duty cycle limit
V
Primary switch deadband
Secondary switch delay
DCL
input current
V
21.25
127.5
0.95
0.95
GD
Min
30
25
25
23
48
73
12
72
22
62
0
0
-
-
-
-
-
-
-0.2
25.00
150.0
1.00
1.00
Typ
6
100
100
100
50
25
50
75
20
80
30
70
-
-
-
-
-
-
-
-
28.75
172.5
Max
1.05
1.05
150
150
150
0.2
0.2
1.0
70
50
50
27
52
77
28
88
38
78
-
-
-
Units
kHz
kHz
kHz
µA
µA
ns
ns
ns
ns
ns
µs
ns
µs
%
%
%
%
%
%
%
V
V
V
Conditions
R
R
---
---
---
I
---
I
I
C
C
PWM
PWM
PWM
V
V
V
V
V
V
C
R
C
R
OUT
OUT
OUT
DCL
DCL
DCL
DCL
DCL
DCL
PWM
PWM
L
L
DB
DB
DLY
DLY
= 4nF
= 4nF
= 1.0mA sink
= 20mA sink
= 20mA source
= 0pF
= 14kΩ, C
= 0pF
= 0V
= 0.50V, PWM
= 0.50V, PWM
= 0.75V, PWM
= 0.75V, PWM
= 0 - 1.0V
= 14kΩ, C
= 500kΩ
= 83kΩ
IN
IN
IN
= 0.625V
= 1.250V
= 1.875V
DB
DLY
= 100pF
= 100pF
IN
IN
IN
IN
= 0V
= 2.5V
= 0V
= 2.5V
HV461