Datasheet

C5
1 µF
Ceramic
UDG−05089
C1
1 µF
50 V
Ceramic
C2
330 µF
50 V
(Optional)
R
SET
C6
100 µF
V
I
V
I
C3
2.2 µF
50 V
Ceramic
(Required)
C4
330 µF
(Required)
PTN78020W
2 6
5
+
7 4
Inhibit GND Adjust
Sense
13
GNDGND
+
GND
L2
1 µH to 5 µH
L1
1 µH to 5 µH
L3
1 µH to 5 µH
(1)
(2)
(3)
(1)
V
O
V
O
PTN78020W
PTN78020H
www.ti.com SLTS228C – DECEMBER 2004– REVISED AUGUST 2011
(1) See the specifications for required value and type. For the PTN78020H, C2 = 4 × 4.7 μF.
(2) See the Application Information section for suggeted value and type.
(3) Recommended whenever I
O
> 2A.
(4) For PTN78020H, C1 ≥ 4.7 μF.
Figure 32. Adding π Filters (I
O
= 3 A to 6 A)
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Product Folder Link(s): PTN78020W PTN78020H