IR3841WMPBF International Rectifier, IR3841WMPBF Datasheet - Page 6

• Manufacturer Part Number: IR3841WMPBF
• Description: HIGHLY EFFICIENT INTEGRATED 8A SYNCHRONOUS BUCK REGULATOR
• Manufacturer: International Rectifier

Electrical Specifications (continued)
Unless otherwise specified, these specification apply over 4.5V< V
Typical values are specified at T
Rt Voltage
Error Amplifier
Over Current Protection
OCSET Current
OC Comp Offset Voltage
SS off time
Bootstrap Diode
Forward Voltage
Deadband
Deadband time
Frequency
Oscillator
Accuracy
Ramp Amplitude
Ramp Offset
Min Pulse Width
Fixed Off Time
Max Duty Cycle
Input Offset Voltage
Input Bias Current
Input Bias Current
Sink Current
Source Current
Slew Rate
Gain-Bandwidth Product
DC Gain
Maximum Voltage
Minimum Voltage
Common Mode Voltage
Soft Start/SD
Soft Start Current
Soft Start Clamp Voltage
Shutdown Output Threshold
Rev 5.0
Parameter
Isource(E/A)
Vss(clamp)
SS_Hiccup
Ramp (os)
Dmin(ctrl)
Symbol
Isink(E/A)
Vmax(E/A)
Vmin(E/A)
IFb(E/A)
IVp(E/A)
Vramp
V
Dmax
GBWP
I
OCSET
OFFSET
Vos
Gain
ISS
SR
SD
F
S
a
= 25
Rt=59K
Rt=28.7K
Rt=9.31K, Note4
Note4
Note4
Note4
Note4
Fs=250kHz
Vfb-Vseq,
Vseq=0.8V
Note4
Note4
Note4
Vcc=4.5V
Note4
Source
Fs=250kHz
Fs=500kHz
Fs=1500kHz
Note4
I(Boot)=30mA
Note4
o
C.
Test Condition
cc
0.665
1350
Min
0.40
20.8
225
450
136
180
-10
-10
2.7
-10
100
92
14
43
-1
-1
3.4
8
7
20
5
<5.5V, V
0
TYP
4096
1500
23.6
48.8
0.85
250
500
130
154
260
0.7
1.8
0.6
3.0
110
120
20
10
50
10
12
3.5
0
30
0
IR3841WMPbF
in
=12V, 0
MAX
0.735
1650
26.4
54.6
275
550
+10
200
+10
172
+10
470
3.75
3.3
0.3
1.2
120
220
26
30
+1
+1
13
20
40
1
o
C<T
j
< 125
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Units
Cycles
Vp-p
V/μs
kHz
mV
mA
MHz
mV
mV
μA
μA
μA
ns
mV
ns
%
%
V
V
dB
V
o
V
V
C.
6