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XR79103EL-F Datasheet(PDF) 8 Page - Exar Corporation

Part # XR79103EL-F
Description  22V, 3A Synchronous Step-Down COT Power Module
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Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation

XR79103EL-F Datasheet(HTML) 8 Page - Exar Corporation

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XR
79103
8/19
REV1B
Typical Performance Characteristics (Continued)
TA = 25°C, VIN = 12V, VOUT = 1.2V, IOUT = 3A, f = 600kHz, unless otherwise specified. Schematic shown in Figure 27.
Figure 14. Steady State CCM, IOUT = 3A
SW
VOUT
AC coupled 20MHz
IOUT
12mVp-p
Figure 15. Steady State DCM, IOUT = 0A
SW
IOUT
32mVp-p
VOUT
AC coupled 20MHz
Figure 16. Power Up, 3A
VIN
EN
IOUT
VOUT
4ms/div
Figure 17. Power Up, 0A
VIN
EN
IOUT
VOUT
4ms/div
Figure 18. Load Step, CCM,
0A-1.5A-0A
SW
VOUT
AC coupled 20MHz
IOUT
38mV
32mV
Di/Dt = 2.5A/us
20 us/div
Figure 19. Load Step, DCM/CCM,
0.05A-1.5A-0.05A
SW
IOUT
38mV
48mV
Di/Dt = 2.5A/us
40 us/div
VOUT
AC coupled 20MHz


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