XRP7662 Datasheet, PDF (7/19 Pages) Exar Corporation – 12A 300KHz Synchronous Step Down Regulator

XRP7 66 2
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1 2 A 3 0 0 KHz Sy n ch r on ou s St ep Dow n Reg u lat or
Fig. 10 : Load Step Response, I OUT= 0A - 12 A
Fig. 11 : Output Short Circuit
Fig. 12 : OCP Hiccup Response
100
95
90
85
80
VIN=5.5V,
75
VOUT=1.2V
70
65
60
55
50
45
40
35
30
0 1 2 3 4 5 6 7 8 9 10 11 12
Output Current (A)
Fig. 14 : Efficiency versus I OUT, VIN = 5.5 V, V OUT=1.2
Fig. 13 : VOUT versus Load Current, V IN =12V
100
95
90
85
80
VIN=12V,
75
VOUT=1.2V
70
65
60
55
50
45
40
35
30
0 1 2 3 4 5 6 7 8 9 10 11 12
Output Current (A)
Fig. 15 : Efficiency versus I OUT, VIN =12V , V OUT=1.2
© 2012 Exar Corporation
7/ 19
Rev. 2. 2.0