AT1799
2A Step-Down Voltage Regulator
Typical characteristics
E ffic ie n c y vs . O u tp u t C u rre n t a n d V o lta g e
95
VIN=10V
90
Efficiency (%)
85
80
75
5 .0 V
3 .3 V
0 .1
0 .2
0 .3
0 .5
0 .7
1
1 .3
1 .5
1 .7
2
70
O u tp u t C u rre n t (A )
Reference Voltage vs Temperature
1.22
1.219
V
REF
(V)
1.218
1.217
1.216
1.215
-20
-10
0
10
25
O
40
70
80
Temperature ( C)
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
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8/23/2006 REV:1.1
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