VIPER28 データシートの表示（PDF） - STMicroelectronics
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VIPER28 Datasheet PDF : 32 Pages
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Electrical data
VIPER28
4.3
Electrical characteristics
(TJ = -25 to 125 °C, VDD = 14 V (a); unless otherwise specified)
Table 6.
Symbol
Power section
Parameter
Test condition
Min Typ Max Unit
VBVDSS Break-down voltage
IOFF OFF state drain current
RDS(on)
Drain-source on state
resistance
COSS
Effective (energy related)
output capacitance
IDRAIN = 1 mA, VFB = GND, TJ = 25 °C
800
VDRAIN = max rating,VFB = GND, TJ = 25°C
IDRAIN = 0.4 A, VFB = 3 V, VEPT = GND, TJ = 25 °C
IDRAIN = 0.4 A, VFB = 3 V, VEPT = GND, TJ = 125 °C
V
60 μA
7Ω
14 Ω
VDRAIN = 0 to 640 V, TJ = 25°C
40
pF
Table 7. Supply section
Symbol
Parameter
Voltage
VDRAIN_START Drain-source start voltage
IDDch Start up charging current
VDD
VDDclamp
VDDon
VDDoff
Operating voltage range
VDD clamp voltage
VDD start up threshold
VDD under voltage shutdown
threshold
VDD(RESTART) VDD restart voltage threshold
Current
IDD0
Operating supply current, not
switching
IDD1
Operating supply current,
switching
IDD_FAULT
IDD_OFF
Operating supply current, with
protection tripping
Operating supply current with
VDD < VDD_OFF
Test condition
Min Typ Max Unit
VDRAIN = 120 V, VEPT = GND,
VFB = GND, VDD = 4 V
VDRAIN = 120 V, VEPT = GND,
VFB = GND, VDD = 4 V after fault
After turn-on
IDD = 20 mA
VDRAIN = 120 V, VEPT = GND,
VFB = GND
VDRAIN = 120 V, VEPT = GND,
VFB = GND
60 80 100 V
-2 -3 -4 mA
-0.4 -0.6 -0.8 mA
8.5
23.5 V
23.5
V
13 14 15 V
7.5 8 8.5 V
4 4.5 5
V
VFB = GND, FSW = 0 kHz
VEPT = GND, VDD = 10 V
VDRAIN = 120 V, FSW = 60 kHz
VDRAIN = 120 V,FSW = 115 kHz
VDD = 10 V
VDD = 7 V
0.9 mA
2.5 mA
3.5 mA
400 uA
270 uA
6/32
a. Adjust VDD above VDDon start-up threshold before setting to 14 V
Doc ID 15028 Rev 5
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