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XR76108 Datasheet(PDF) 7 Page - Exar Corporation

No. de pieza XR76108
Descripción Electrónicos  8A and 12A Synchronous Step Down COT Regulator
PDF  17 Pages
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Fabricante Electrónico  EXAR [Exar Corporation]
Página de inicio  http://www.exar.com
Logo EXAR - Exar Corporation

XR76108 Datasheet(HTML) 7 Page - Exar Corporation

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XR76108 and XR76112
© 2013-2014 Exar Corporation
7/17
www.exar.com
Rev. 2A
Typical Performance Characteristics
All data taken at VIN=12V, VOUT=1.2V, f=600kHz, TA=25°C, No Air flow, Forced CCM, unless otherwise specified. Schematic
and BOM from Applications Circuit section of this datasheet.
REGULATION
Figure 5: XR76112 Load regulation, VIN=12V
Figure 6: XR76112 Line regulation, IOUT=12A
Figure 7: XR76112 VOUT ripple is 14mV at 12A
Figure 8: XR76112 VOUT ripple is 22mV at 0A, DCM
Figure 9: XR76112 Frequency vs. IOUT, Forced CCM
Figure 10: VREF vs. temperature
1.180
1.185
1.190
1.195
1.200
1.205
1.210
1.215
1.220
0
2
4
6
8
10
12
IOUT (A)
1.180
1.185
1.190
1.195
1.200
1.205
1.210
1.215
1.220
5
10
15
20
VIN (V)
0
100
200
300
400
500
600
700
0
2
4
6
8
10
12
IOUT(A)
VOUT=5V, RON=29.4k
VOUT=1.2V, RON=6.8k
590
595
600
605
610
-40
-20
0
20
40
60
80
100 120
Tj (°C)
1us/d
SW
VOUT
AC coupled
20MHz Filter
IL
2ms/d
IL
SW
VOUT
AC coupled
20MHz Filter



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