FAN7621 データシートの表示（PDF） - Fairchild Semiconductor
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FAN7621 Datasheet PDF : 17 Pages
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Electrical Characteristics
TA=25°C and LVCC=17V unless otherwise specified.
Symbol
Parameter
Test Conditions
Supply Section
ILK
IQHVCC
IQLVCC
Offset Supply Leakage Current
Quiescent HVCC Supply Current
Quiescent LVCC Supply Current
IOHVCC
Operating HVCC Supply Current
(RMS Value)
IOLVCC
Operating LVCC Supply Current
(RMS Value)
HVCC=VCTR
(HVCCUV+) - 0.1V
(LVCCUV+) - 0.1V
fOSC=100kHz, VCON > 0.6V,
CLoad=1nF
No Switching, VCON < 0.4V
fOSC=100kHz, VCON > 0.6V,
CLoad=1nF
No Switching, VCON < 0.4V
UVLO Section
LVCCUV+
LVCCUV-
LVCCUVH
HVCCUV+
HVCCUV-
HVCCUVH
LVCC Supply Under-Voltage Positive Going Threshold (LVCC Start)
LVCC Supply Under-Voltage Negative Going Threshold (LVCC Stop)
LVCC Supply Under-Voltage Hysteresis
HVCC Supply Under-Voltage Positive Going Threshold (HVCC Start)
HVCC Supply Under-Voltage Negative Going Threshold (HVCC Stop)
HVCC Supply Under-Voltage Hysteresis
Oscillator & Feedback Section
VCONDIS
VCONEN
VRT
fOSC
DC
Control Pin Disable Threshold Voltage
Control Pin Enable Threshold Voltage
V-I Converter Threshold Voltage
Output Oscillation Frequency
RT=5.2kΩ
Output Duty Cycle
fSS
Internal Soft-Start Initial Frequency fSS=fOSC+40kHz, RT=5.2kΩ
tSS
Internal Soft-Start Time
Output Section
Isource
Isink
tr
tf
VHOH
VHOL
VLOH
VLOL
Peak Sourcing Current
Peak Sinking Current
Rising Time
Falling Time
High Level of High-Side Gate Driving
Signal (VHVCC-VHO)
Low Level of High-Side Gate Driving
Signal
High Level of High-Side Gate Driving
Signal (VLVCC-VLO)
Low Level of High-Side Gate Driving
Signal
HVCC=17V
HVCC=17V
CLoad=1nF, HVCC=17V
IO=20mA
Min.
13.0
10.2
8.2
7.8
0.36
0.54
1.5
94
48
2
250
460
Typ.
50
100
5
100
6
2
14.5
11.3
3.2
9.2
8.7
0.5
0.40
0.60
2.0
100
50
140
3
360
600
65
35
Max. Unit
50
μA
120 μA
200 μA
8
mA
200 μA
9
mA
4
mA
16.0 V
12.4 V
V
10.2 V
9.6
V
V
0.44 V
0.66 V
2.5
V
106 kHz
52
%
kHz
4
ms
mA
mA
ns
ns
1.0
V
0.6
V
1.0
V
0.6
V
© 2009 Fairchild Semiconductor Corporation
FAN7621 • Rev. 1.0.1
5
www.fairchildsemi.com
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