參數(shù)資料
型號(hào)： PTN78020WAZT
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源模塊
英文描述： 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
封裝： ROHS COMPLIANT, DIP-7
文件頁(yè)數(shù)： 7/26頁(yè)
文件大?。?/td> 669K
代理商： PTN78020WAZT
www.ti.com .................................................................................................................................................. SLTS228B – DECEMBER 2004 – REVISED APRIL 2008
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
(F)
RESISTANCE
BUS
(V)
CURRENT
(mm)
(ESR) (
)
(mArms)
Kemet X5R Ceramic
6.3
47
0.002
>1000
3225
N/R (3)
≤ 4
C1210C476K9PAC
(VO ≤ 5.5 V)
TDK X5R Ceramic
6.3
47
0.002
>1000
3225
N/R (3)
≤ 4
C3225X5R0J476MT
(VO ≤ 5.5 V)
Murata X5R Ceramic
6.3
47
0.002
>1000
3225
N/R (3)
≤ 4
GRM42-2X5R476M6.3
(VO ≤ 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
(VI~VO ≤ 20 V)
Kemet X7R Ceramic
25
2.2
0.002
>1000
3225
≥ 1 (4)
1
C1210C225K3RAC
(VO ≤ 20 V)
AVX X7R Ceramic
25
2.2
0.002
>1000
3225
≥ 1 (4)
1
C12103C225KAT2A
(VO ≤ 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 F is an acceptable replacement value for a single 2.2-F ceramic capacitor
Copyright 2004–2008, Texas Instruments Incorporated
15
Product Folder Link(s): PTN78020W PTN78020H
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