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IR3448_16 Datasheet, PDF (7/51 Pages) Infineon Technologies AG – 16A Highly Integrated SupIRBuck® Single-Input Voltage, Synchronous Buck Regulator
IR3448
PARAMETER
(Dyn)
Under Voltage Lockout
VCC–Start–Threshold
VCC–Stop–Threshold
Enable–Start–Threshold
Enable–Stop–Threshold
Enable leakage current
Oscillator
Rt Voltage
SYMBOL
VCC_UVLO_Start
VCC_UVLO_Stop
Enable_UVLO_Start
Enable_UVLO_Stop
Ien
Frequency Range
FS
Ramp Amplitude
Vramp
Ramp Offset
Ramp (os)
Min Pulse Width
Tmin (ctrl)
Fixed Off Time
Max Duty Cycle
Dmax
Sync Frequency Range
Sync Pulse Duration
Sync Level Threshold
High
Low
Error Amplifier
Input Offset Voltage
Vos_Cbyp
Input Bias Current
IFb(E/A)
Sink Current
Isink(E/A)
Source Current
Isource(E/A)
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
CONDITIONS
600kHz
VCC Rising Trip Level
VCC Falling Trip Level
Supply ramping up
Supply ramping down
Enable=3.3V
Rt=80.6k
Rt=39.2k
Rt=15k
PVin=6.8V, PVin(max) slew
rate=1V/us Note 4
PVin=12V, PVin(max) slew
rate=1V/us Note 4
PVin=16V, PVin(max) slew
rate=1V/us Note 4
Note 4
Note 4
Note 4
Fs=300kHz, PVin=Vin=12V
Note 4
VFb – VREF, VREF = 0.6V
Note 4
Note 4
Note 4
Note 4
Note 4
Note 4
7
Rev 3.6
MIN TYP MAX UNIT
4.0
4.2
4.4
V
3.8
3.9
4.2
1.14 1.2 1.36
V
0.9
1.0 1.06
1
µA
1
V
270 300 330
540 600 660 kHz
1350 1500 1650
1.02
1.8
Vp-p
2.4
0.16
V
50
ns
200 230
ns
86
%
270
1650 kHz
100 200
ns
3
V
0.6
-1.5
+1.5
%
-0.5
+0.5 µA
0.4 0.85 1.2 mA
4
7.5
11
mA
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
3
6.4
9
MHz
110
dB
May 17, 2016