Datasheet

4 6 8 10 12 14 16 18 20
INPUT VOLTAGE (V)
1
1.2
1.4
1.6
1.8
2
2.2
2.4
SWITCH CURRENT LIMIT (A)
8 10
12
14 16 18 20
INPUT VOLTAGE (V)
SWITCH CURRENT LIMIT (A)
2
2.2
2.4
2.6
2.8
3
3.2
3.4
0 0.5 1 1.5 2 2.5
LOAD CURRENT (A)
0
10
20
30
40
50
60
70
80
90
100
EFFICIENCY (%)
V
IN
= 18V
0 0.5 1 1.5 2 2.5
LOAD CURRENT (A)
0
10
20
30
40
50
60
70
80
90
100
EFFICIENCY (%)
V
IN
= 18V
LM2717
www.ti.com SNVS253D –MAY 2005–REVISED MARCH 2013
Typical Performance Characteristics (continued)
Adjustable Buck Efficiency Adjustable Buck Efficiency
vs. vs.
Load Current Load Current
(V
OUT
= 15V) (V
OUT
= 5V)
Figure 8. Figure 9.
Adjustable Buck Switch Current Limt
Fixed Buck Switch Current Limt vs.
vs. Input Voltage
Input Voltage (V
OUT
= 5V)
Figure 10. Figure 11.
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