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PCMB065T-2R2MS датащи(PDF) 7 Page - International Rectifier

номер детали PCMB065T-2R2MS
подробное описание детали  Dual output, 4A/Phase, Highly Integrated SupIRBuck
PDF  47 Pages
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производитель  IRF [International Rectifier]
домашняя страница  http://www.irf.com
Logo IRF - International Rectifier

PCMB065T-2R2MS датащи(HTML) 7 Page - International Rectifier

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Dual output, 4A/Phase, Highly Integrated SupIRBuck
TM
Single-Input Voltage, Synchronous Buck Regulator
IR3891
7
www.irf.com
© 2013 International Rectifier
May 08, 2013
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNIT
Short Circuit Current
Ishort
120
mA
Oscillator
Rt Voltage
Vrt
1.0
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
Vin = 6.8V, Vin slew rate
max = 1V/μs, Note 4
1.02
Vp-p
Vin = 12V, Vin slew rate
max = 1V/μs, Note 4
1.80
Vin = 21V, Vin slew rate
max = 1V/μs, Note 4
3.15
Vcc=Vin = 5V, For
external Vcc operation,
Note 4
0.75
Min Pulse Width
Tmin(ctrl)
Note 4
60
ns
Max Duty Cycle
Dmax
Fs = 300kHz,
Vin=Pvin=12V
86
%
Fixed Off Time
Toff
Note 4
200
250
ns
Sync Frequency Range
Fsync
270
1650
kHz
Sync Pulse Duration
Tsync
100
200
ns
Sync Level Threshold
High
3
V
Low
0.6
Error Amplifier
Seq Input Offset
Voltage
Vos_VSeq
VSeq – Vfb;
VSeq=250mV
-3
+3
%
Input Bias Current
IFb(E/A)
-200
+200
nA
Seq Input impedance
Rin_Seq(E/A)
Internal Seq pull-up
resistor
300
kΩ
Sink Current
Isink(E/A)
0.4
0.85
1.2
mA
Source Current
Isource(E/A)
3
4
7
mA
Slew Rate
SR
Note 4
7
12
20
V/µs
Gain-Bandwidth
Product
GBWP
Note 4
20
30
40
MHz
DC Gain
Gain
Note 4
80
90
110
dB
Maximum Voltage
Vmax(E/A)
1.7
2
2.3
V
Minimum Voltage
Vmin(E/A)
120
220
mV
Vseq Common Mode
Voltage
0
0.77
V



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