Datasheet
PTN78020W
PTN78020H
www.ti.com
SLTS228C – DECEMBER 2004– REVISED AUGUST 2011
Table 5. Recommended Input/Output Capacitors (PTN78020W) (continued)
CAPACITOR CHARACTERISTICS QUANTITY
85°C
CAPACITOR VENDOR/
EQUIVALENT
VENDOR
WORKING MAXIMUM PHYSICAL
COMPONENT
VALUE SERIES INPUT OUTPUT
NUMBER
VOLTAGE RIPPLE SIZE
SERIES
(µF) RESISTANCE BUS BUS
(V) CURRENT (mm)
(ESR) (Ω)
(mArms)
Kemet X5R Ceramic 6.3 47 0.002 >1000 3225 N/R
(3)
≤ 4 C1210C476K9PAC
(V
O
≤ 5.5 V)
TDK X5R Ceramic 6.3 47 0.002 >1000 3225 N/R
(3)
≤ 4 C3225X5R0J476MT
(V
O
≤ 5.5 V)
Murata X5R Ceramic 6.3 47 0.002 >1000 3225 N/R
(3)
≤ 4 GRM42-2X5R476M6.3
(V
O
≤ 5.5 V)
Murata X7R Ceramic 50 4.7 0.002 >1000 3225 ≥ 1 1 GRM32ER71H475KA88L
TDK X7R Ceramic 50 2.2 0.002 >1000 3225 ≥ 1 1 C3225X7R1H225KT
TDK X7R Ceramic 25 2.2 0.002 >1000 3225 ≥ 1
(4)
1 C3225X7R1E225KT/MT
(V
I
~V
O
≤ 20 V)
Kemet X7R Ceramic 25 2.2 0.002 >1000 3225 ≥ 1
(4)
1 C1210C225K3RAC
(V
O
≤ 20 V)
AVX X7R Ceramic 25 2.2 0.002 >1000 3225 ≥ 1
(4)
1 C12103C225KAT2A
(V
O
≤ 20 V)
TDK X7R Ceramic 50 1.0 0.002 >1000 3225 ≥ 2
(5)
1 C3225X7R1H105KT
Kemet X7R Ceramic 50 1.0 0.002 >1000 3225 ≥ 2
(5)
1 C1210C105K5RAC
Kemet Radial Through-hole 50 1.0 0.002 >1000 5,08 × 7,62 ≥ 2
(5)
1 C330C105K5R5CA
× 9,14 H
Murata Radial Through-hole 50 2.2 0.004 >1000 10 H × 10 ≥ 1 1 RPER71H2R2KK6F03
W × 4 D
(3) The voltage rating of the input capacitor must be selected for the desired operating input voltage range of the regulator. To operate the
regulator at a higher input voltage, select a capacitor with the next higher voltage rating.
(4) The maximum rating of the ceramic capacitor limits the regulator operating input voltage to 20 V. Select a alternative ceramic
component to operate at a higher input voltage.
(5) A total capacitance of 2 µF is an acceptable replacement value for a single 2.2-µF ceramic capacitor
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