HV9963 Ver la hoja de datos (PDF) - Supertex Inc
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componentes Descripción
Fabricante
HV9963 Datasheet PDF : 12 Pages
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HV9963
Electrical Characteristics (cont.)
(The * denotes the specifications which apply over the full operating ambient temperature range of -40OC < TA < +125OC, otherwise the specifications are
at TA = 25OC. VIN = 24V, CPVDD = 1.0μF, CAVDD = 1.0μF, CGATE = 2.0nF, CFLT = 330pF unless otherwise noted.)
Sym
Description
Min Typ
Max Units Conditions
Current Sense
TBLANK
Leading edge blanking
* 100
-
300
TDELAY1
Delay to output of output comparator -
-
-
200
Rdiv
Internal resistor divider ratio – COMP
to CS
#
-
0.0833
-
ns ---
ns
COMP = AVDD;
50mV overdrive at CS
- ---
VOFFSET Comparator offset voltage
- -20
-
+20
mV ---
Internal Transconductance Opamp
GB
Gain-bandwidth product
#-
1.0
-
MHz
150pF capacitance at
COMP pin
AV
Open loop DC gain
- 65
-
-
dB Output open
Internal Transconductance Opamp
VCM
VO
Gm
VOFFSET
ICOMP_SINK
Input common-mode range
Output voltage range
Transconductance
Input offset voltage
COMP sink current
ICOMP_SOURCE COMP source current
IBIAS
ICOMP,DIS
Input bias current
Discharging current
# -0.3
# 0.7
- 1600
* -3.0
# -0.2
# 0.2
#-
- 1.0
-
-
2000
-
-
-
0.5
-
3.0
AVDD-0.7
2400
+3.0
-
-
1.0
-
V
V
μA/V
mV
mA
mA
nA
mA
---
---
---
IREF = 200mV
VFB = AVDD, VIREF = 0,
VCOMP = 0
VFB = 0V, VIREF = 3.0V,
VCOMP = AVDD - 0.7V
---
VCOMP = 5V
Oscillator
fOSC1
Oscillator frequency
* 88 100
112
kHz RT = 237kΩ
fOSC2
Oscillator frequency
* 460 520
580
kHz RT = 44.2kΩ
FOSC
Output frequency range
#-
-
600
kHz ---
DMAX
Maximum duty cycle
* 87
-
94
% ---
VSYNCH
SYNC input high
- 2.0
-
-
V ---
VSYNCL
SYNC input low
--
-
0.8
V ---
IOUTSYNC SYNC output current
--
25
-
μA ---
IINSYNC
SYNC input current
-0
-
200
μA ---
Notes:
# Denotes specifications guaranteed by design
* Denotes the specifications which apply over the full operating ambient temperature range of -40°C < TA < +125°C.
● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com
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