IR3837MPBF Просмотр технического описания (PDF) - International Rectifier
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IR3837MPBF
International Rectifier
IR3837MPBF Datasheet PDF : 36 Pages
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IR3837MPbF
Electrical Specifications (continued)
Unless otherwise specified, these specification apply over, 7.0V<Vin=PVin<16V, Vref=0.6V
in 0oC<Tj< 125oC. Typical values are specified at Ta = 25oC.
PARAMETER
SYMBOL
TEST CONDITION
MIN TYP MAX
ERROR AMPLIFIER
Vos_Vp
Vfb-Vp, Vp=0.6V, Vref >2.0V
-1
+1
Input Offset Voltage
Vos_Vref
Vfb-Vref, Vref=0.6V, Vp>2.0V -1
1
Input Bias Current
IFb(E/A)
-1
+1
Input Bias Current
IVp(E/A)
-1
+1
Sink Current
Source Current
Slew Rate
Isink(E/A)
Isource(E/A)
SR
Note4
0.40 0.85 1.2
8
10
13
7
12
20
Gain-Bandwidth Product
DC Gain
Maximum Voltage
Minimum Voltage
Common Mode Voltage
GBWP
Gain
Vmax(E/A)
Vmin(E/A)
Note4
Note4
20
30
40
100 110 120
3.4
3.5 3.75
150 220
0
1.2
UNIT
%
A
A
mA
mA
V/s
MHz
dB
V
mV
V
OSCILLATOR
Rt Voltage
Frequency Range
Ramp Amplitude
Ramp Offset
Min Pulse Width
Max Duty Cycle
Fixed Off Time
Sync Frequency Range
Sync Pulse Duration
Sync Level Threshold
FS
Vramp
Ramp(os)
Dmin(ctrl)
Dmax
Sync High
Sync Low
Rt=59K
Rt=28.7K
Rt=9.53K, Note4
Note4
Note4
Note4
Fs=250kHz
Note4
20% above free running
frequency
0.665
225
450
1350
91
225
100
2
0.7
250
500
1500
1.8
0.6
200
0.735
275
550
1650
70
300
1650
0.6
V
kHz
Vp-p
V
ns
%
ns
kHz
ns
V
REFERENCE VOLTAGE
Feedback Voltage
VFB
Accuracy
Vref margining voltage
Sink Current
Source Current
Tracker Comparator Threshold
Tracker Comparator
Hysteresis
Vref_marg
Isink_Vref
Isource_Vref
Tracker(upper)
Tracker(lower)
Tracker_Hys
Vref pin floating, Vp=Vcc
0oC<Tj<125oC
-40oC<Tj<125oC, Note3
Vref=0.7V
Vref=0.5V
Vref pulled up externally
Vref pulled up externally
Vref pulled up externally
0.6
V
-1.0
+1.0
-2.0
+2.0
%
0.54
1.2
V
19
25
µA
19
25
µA
1.35 1.5
1.6
1.05 1.2
1.3
V
220 300 420
mV
Rev 1.31
6
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