Datasheet
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GND
GND
C6
†
L1
1 - 5 Hm
L2
1 - 5 Hm
PTN78020A
4
1, 72
GND
6
Adjust
C4
100 F
(Required)
#
m
C3*
18.8 F
Ceramic
(Required)
m
C2
100 F
Electrolytic
(Required)
m
C1
1 F
Ceramic
m
C5
1 F
Ceramic
m
R
SET
V
I
V
I
V
O
V
O
* See the specifications for required value and type.
# See the for suggested value and type.
† Recommended for applications with load transients.
Application Information
10
15
20
25
30
35
40
45
0 0.5 1 1.5 2 2.5 3
1 MHz
600 kHz
Attenuation − dB
Load Current − A
PTN78020A
SLTS244A – APRIL 2005 – REVISED MAY 2005
Figure 20. Adding π Filters (I
O
≤ 4 A)
Figure 21. π -Filter Attenuation vs. Load Current
15