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SL40307A-R19KHF 数据表(PDF) 7 Page - International Rectifier

部件名 SL40307A-R19KHF
功能描述  Single-Input Voltage, Synchronous Buck Regulator
PDF  53 Pages
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制造商  IRF [International Rectifier]
网页  http://www.irf.com
标志 IRF - International Rectifier

SL40307A-R19KHF 数据表(HTML) 7 Page - International Rectifier

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



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