Datasheet

0 10 20 30 40 50 60 70 80
VIN (V)
0
1
2
3
4
VOLTAGE AT THE RT PIN (V)
25 k:
50 k:
100 k:
200 k:
300 k:
R
T
= 500 k:
LM5085, LM5085-Q1
SNVS565G –NOVEMBER 2008–REVISED MARCH 2013 www.ti.com
Typical Performance Characteristics (continued)
Unless otherwise specified the following conditions apply: T
J
= 25°C, V
IN
= 48V.
Off-Time
vs.
V
IN
and V
FB
Voltage at the RT Pin
Figure 10. Figure 11.
ADJ Pin Current Input Operating Current
vs. vs.
V
IN
Temperature
Figure 12. Figure 13.
Shutdown Current VCC
vs. vs.
Temperature Temperature
Figure 14. Figure 15.
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