744309025 Ver la hoja de datos (PDF) - International Rectifier
Número de pieza
componentes Descripción
Fabricante
744309025
International Rectifier
744309025 Datasheet PDF : 53 Pages
| |||
IR3846
PARAMETER
Supply Current
Vin Supply Current
(Standby)
Vin Supply Current (Dyn)
VCC Supply Current
(Standby)
VCC Supply Current (Dyn)
Under Voltage Lockout
VCC–Start–Threshold
VCC–Stop–Threshold
Enable–Start–Threshold
Enable–Stop–Threshold
Enable leakage current
Oscillator
Rt Voltage
Frequency Range
Ramp Amplitude
Ramp Offset
Min Pulse Width
Fixed Off Time
Max Duty Cycle
Sync Frequency Range
Sync Pulse Duration
Sync Level Threshold
SYMBOL
CONDITIONS
Iin(Standby)
Iin(Dyn)
Icc(Standby)
Icc(Dyn)
Vin=21V, Enable low,
No Switching
Vin=21V, Enable high,
Fs = 600kHz
Enable low, VCC=7V,
No Switching
Enable high, VCC=7V,
Fs = 600kHz
VCC_UVLO_Start
VCC_UVLO_Stop
Enable_UVLO_Start
Enable_UVLO_Stop
Ien
VCC Rising Trip Level
VCC Falling Trip Level
Supply ramping up
Supply ramping down
Enable=3.3V
FS
Vramp
Ramp (os)
Tmin (ctrl)
Dmax
High
Low
Rt=80.6k
Rt=39.2k
Rt=15k
PVin=6.8V, PVin(max)
slew rate=1V/us,
Note 4
PVin=12V, PVin(max)
slew rate=1V/us,
Note 4
PVin=16V, PVin(max)
slew rate=1V/us,
Note 4
Note 4
Note 4
Note 4
Fs=300kHz,
PVin=Vin=12V
Note 4
MIN
4.0
3.7
1.14
0.9
270
540
1350
86
270
100
3
TYP MAX
300 425
40
300 425
40
4.2 4.4
3.9 4.2
1.2 1.36
1.0 1.06
1
1
300
600
1500
330
660
1650
1.02
1.8
2.4
0.16
50
200 230
1650
200
0.6
UNIT
µA
mA
µA
mA
V
V
µA
V
kHz
Vp-p
V
ns
ns
%
kHz
ns
V
7 www.irf.com © 2013 International Rectifier
August 01, 2013
Share Link: 