IR3447_16 Datasheet, PDF (8/52 Pages) Infineon Technologies AG – 25A Highly Integrated SupIRBuck® Single-Input Voltage, Synchronous Buck Regulator

IR3447
PARAMETER
SYMBOL
Slew Rate
SR
Gain-Bandwidth Product
GBWP
DC Gain
Gain
Maximum Output Voltage
Vmax(E/A)
Minimum Output Voltage
Vmin(E/A)
Common Mode Voltage
Vcm_Vp
Remote Sense Differential Amplifier
Unity Gain Bandwidth
BW_RS
DC Gain
Gain_RS
Offset Voltage
Offset_RS
Source Current
Sink Current
Slew Rate
RS+ input impedance
RS- input impedance
Maximum Voltage
Minimum Voltage
Internal Digital Soft Start
Soft Start Clock
Isource_RS
Isink_RS
Slew_RS
Rin_RS+
Rin_RS-
Vmax_RS
Min_RS
Clk_SS
Soft Start Ramp Rate
Ramp(SS_Start)
Bootstrap Diode
Forward Voltage
Switch Node
SW Leakage Current
lsw
Internal Regulator (VCC/LDO)
Output Voltage
VCC
VCC dropout
Short Circuit Current
Zero-crossing Comparator
8
Rev 3.7
VCC_drop
Ishort
Tdly_zc
CONDITIONS
Note 4
Note 4
Note 4
Note 4
MIN TYP MAX UNIT
7
12 20 V / µs
20 30 40 MHz
100 110 120 dB
1.7
2
2.3
V
100 mV
0
1.2
V
Note 4
3
6.4
9
MHz
Note 4
110
dB
VREF=0.6V,
0°C < Tj < 85°C
-1.5
0
1.5 mV
VREF=0.6V,
-2
-40°C < Tj < 125°C
2
mV
3
13 20 mA
0.4
1
2
mA
Note 4, Cload = 100pF 2
4
8 V / µs
45 63 85 kohm
Note 4
63
kohm
V(VCC) – V(RSo)
0.5
1
1.5
V
50
mV
Note 4
Note 4
180 200 220 kHz
0.3
0.4
0.5
mV /
µs
I(Boot) = 30mA
360 520 960 mV
SW = 0V, Enable = 0V
1
µA
Vin(min) = 7.2V, Io=0-
30mA, Cload = 2.2uF,
DCM=0
Vin(min) = 7.2V, Io=0-
30mA, Cload = 2.2uF,
DCM=1
Vin = 7V, Io=70 mA,
Cload = 2.2uF
Note 4
6.3 6.8 7.1
V
4
4.4 4.8
70
256 /
0.7
V
mA
s
May 17, 2016