Datasheet

LOAD CURRENT (mA)
EFFICIENCY (%)
40
50
60
70
80
90
100
100
200
300
V
IN
= 48V
V
IN
= 15V
V
IN
= 95V
0 20 40 60 80 100
40
50
60
70
80
90
100
EFFICIENCY (%)
V
IN
(V)
I
OUT
= 300 mA
48V
700
600
500
400
300
200
100
0
0
2.5 5.0 10 15 20
V
OUT
(V)
MAXIMUNM FREQUENCY (kHz)
60V
80V
95V
Max V
IN
= 30V
0 0.5 1.0 1.5 2.0 2.5
0
5
10
15
20
25
30
35
CURRENT LIMIT OFF TIME (Ps)
V
FB
(V)
300k
R
CL
= 500k
100k
50k
300k
0 20 40 60 80 100
0
1
2
3
4
5
6
7
8
T
ON
(Ps)
V
IN
(V)
R
ON
= 500k
100k
8
9 10 11 12 13 14
EXTERNALLY APPLIED V
CC
(V)
1.0
1.2
1.4
1.6
1.8
2.0
I
CC
INPUT CURRENT (mA)
LM5008
www.ti.com SNVS280G –APRIL 2004–REVISED MARCH 2013
Typical Performance Characteristics
Figure 3. I
CC
Current vs Applied V
CC
Voltage Figure 4. ON-Time vs Input Voltage and R
ON
Figure 5. Maximum Frequency vs V
OUT
and V
IN
Figure 6. Current Limit Off-Time vs V
FB
and R
CL
Figure 7. Efficiency vs V
IN
Figure 8. Efficiency vs Load Current vs V
IN
(Circuit of Figure 14) (Circuit of Figure 14)
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