Datasheet

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TYPICAL CHARACTERISTICS (24-V INPUT)
(1) (2)
0 1 2 3 4
50
40
60
70
80
90
V = -5 V
O
V = -3 V
O
Efficiency - %
I - Output Current - A
O
0
1 2
3
4
I - Output Current - A
O
0
20
40
60
100
80
120
140
V = -5 V
O
V = -3 V
O
V - Output Voltage Ripple - mV
O PP
0 1 2 3 4
I - Output Current - A
O
0
1
0.5
1.5
2
3
2.5
3.5
4
4.5
5
V = -5 V
O
V = -3 V
O
P - Power Dissipation - W
D
0 1 2 3 4
I - Output Current - A
O
20
30
50
40
60
70
80
90
V = -5 V
O
200 LFM
100 LFM
Nat conv
Ambient Temperature - C
o
PTN78020A
SLTS244A – APRIL 2005 – REVISED MAY 2005
EFFICIENCY OUTPUT VOLTAGE RIPPLE
vs vs
OUTPUT CURRENT OUTPUT CURRENT
Figure 13. Figure 14.
POWER DISSIPATION TEMPERATURE DERATING
vs vs
OUTPUT CURRENT OUTPUT CURRENT
Figure 15. Figure 16.
(1) The electrical characteristic data has been developed from actual products tested at 25 ° C. This data is considered typical for the
converter. Applies to Figure 13 , Figure 14 , and Figure 15 .
(2) The temperature derating curves represent the conditions at which internal components are at or below the manufacturer's maximum
operating temperatures. Derating limits apply to modules soldered directly to a 100 mm x 100 mm, double-sided PCB with 2 oz. copper.
Applies to Figure 16 .
7