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IR3447M Datasheet(PDF) 8 Page - International Rectifier

Part # IR3447M
Description  Single 5V to 21V application
Download  51 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

IR3447M Datasheet(HTML) 8 Page - International Rectifier

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IR3447
8
www.irf.com
© 2014 International Rectifier
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June 18, 2015
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNIT
Maximum Output Voltage
Vmax(E/A)
1.7
2
2.3
V
Minimum Output Voltage
Vmin(E/A)
100
mV
Common Mode Voltage
Vcm_Vp
Note 4
0
1.2
V
Remote Sense Differential Amplifier
Unity Gain Bandwidth
BW_RS
Note 4
3
6.4
9
MHz
DC Gain
Gain_RS
Note 4
110
dB
Offset Voltage
Offset_RS
VREF=0.6V,
0°C < Tj < 85°C
-1.5
0
1.5
mV
VREF=0.6V,
-40°C < Tj < 125°C
-2
2
mV
Source Current
Isource_RS
3
13
20
mA
Sink Current
Isink_RS
0.4
1
2
mA
Slew Rate
Slew_RS
Note 4, Cload = 100pF
2
4
8
V / µs
RS+ input impedance
Rin_RS+
45
63
85
kohm
RS- input impedance
Rin_RS-
Note 4
63
kohm
Maximum Voltage
Vmax_RS
V(VCC) – V(RSo)
0.5
1
1.5
V
Minimum Voltage
Min_RS
50
mV
Internal Digital Soft Start
Soft Start Clock
Clk_SS
Note 4
180
200
220
kHz
Soft Start Ramp Rate
Ramp(SS_Start)
Note 4
0.3
0.4
0.5
mV /
µs
Bootstrap Diode
Forward Voltage
I(Boot) = 30mA
360
520
960
mV
Switch Node
SW Leakage Current
lsw
SW = 0V, Enable = 0V
1
µA
Internal Regulator (VCC/LDO)
Output Voltage
VCC
Vin(min) = 7.2V, Io=0-
30mA, Cload = 2.2uF,
DCM=0
6.3
6.8
7.1
V
Vin(min) = 7.2V, Io=0-
30mA, Cload = 2.2uF,
DCM=1
4
4.4
4.8
VCC dropout
VCC_drop
Vin = 7V, Io=70 mA,
Cload = 2.2uF
0.7
V
Short Circuit Current
Ishort
Note 4
70
mA
Zero-crossing Comparator
Delay
Tdly_zc
256 /
Fs
s
Zero-crossing Comparator
Offset
Vos_zc
Note 4
0
mV


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