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HV461 Datasheet(PDF) 5 Page - Supertex, Inc

Part # HV461
Description  HV461FG Ring Generator Controller IC
PDF  14 Pages
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Manufacturer  SUTEX [Supertex, Inc]
Direct Link  http://www.supertex.com
Logo SUTEX - Supertex, Inc

HV461 Datasheet(HTML) 5 Page - Supertex, Inc

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HV461
5
ENABLE and SYNC
Symbol
Parameter
Min
Typ
Max
Unit
Conditions
VOUT(lo)
SYNC output voltage low
0.2
V
IOUT = 1mA sink
VOUT(hi)
SYNC output voltage high
VDD - 0.2
V
IOUT = 1mA source
tON
ENABLE delay, on
5
µs
tOFF
ENABLE delay, off
0
60
1
µs
ring cycle
SYNCMODE=0
SYNCMODE=1
τSYNC(ON)
SYNC on lead time
4.5
5
5.5
ms
CSINE=0
RSYNC=154k
Ω
CSYNC=47nF
τSYNC(OFF)
SYNC off delay
-250
0
+250
µs
CSINE=10nF
tSYNC(rise)
SYNC rise time
300
ns
CL=50pF
tSYNC(fall)
SYNC fall time
300
ns
CL=50pF
PWM Controller
Symbol
Parameter
Min
Typ
Max
Unit
Conditions
PWM Frequency
fPWM
PWM frequency
21.25
127.5
25.00
150.0
28.75
172.5
kHz
kHz
RPWM=500k
Ω
RPWM=83k
Ω
tPWMSYNC(OUT)
PWM sync output pulse
width
30
50
70
ns
tPWMSYNC(IN)
PWM sync input pulse width
25
ns
fPWMSYNC(IN)
PWM sync input frequency
range
25
150
kHz
VPWMSYNC(lo)
PWM sync output low
voltage
0.2
V
IOUT=1mA sink
IPWMSYNC
PWM sync pull-up current
100
µA
Switch Driver Outputs
VOUT(lo)
Output voltage, low
0.2
V
IOUT=20mA sink
VOUT(hi)
Output voltage, high
VGD-0.2
V
IOUT=20mA source
tRISE
Rise time
50
ns
CL=4nF
tFALL
Fall time
50
ns
CL=4nF
Timing
D
Duty cycle
23
48
73
25
50
75
27
52
77
%
%
%
PWMin=0.625V
PWMin=1.250V
PWMin=1.875V
VDCL=0V
Dlimit
Duty cycle limit
12
72
22
62
20
80
30
70
28
88
38
78
%
%
%
%
VDCL = 0.50V, PWMIN=0V
VDCL = 0.50V, PWMIN=2.5V
VDCL = 0.75V, PWMIN=0V
VDCL = 0.75V, PWMIN=2.5V
IDCL
VDCL input current
1
µA
VDCL=0-1V
tDB
Primary switch deadband
0
0.95
100
1.00
150
1.05
ns
µs
CDB=0pF
RDB=14k
Ω, CDB=100pF
tDLY
Secondary switch delay
0
0.95
100
1.00
150
1.05
ns
µs
CDLY=0pF
RDLY=14k
Ω, CDLY=100pF



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