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參數(shù)資料
| 型號： | DNS10S0A0S16PFD |
| 廠商： | Delta Electronics, Inc. |
| 英文描述： | Delphi DNS, Non-Isolated Point of Load DC/DC Power Modules: 2.8-5.5Vin, 0.75-3.3V/6Aout |
| 中文描述： | 德爾福的DNS，非隔離負載點DC / DC電源模塊：2.8 5.5Vin，0.75-3.3V/6Aout |
| 文件頁數(shù)： | 8/17頁 |
| 文件大?。?/td> | 773K |
| 代理商： | DNS10S0A0S16PFD |
DS_DNS04SMD6A_10202006
8
TEST CONFIGURATIONS
TO OSCILLOSCOPE
V
I
(+)
V
I
(-)
BATTERY
2
100uF
Tantalum
L
Note: Input reflected-ripple current is measured with a
simulated source inductance. Current is measured at
the input of the module.
Figure 29:
Input reflected-ripple test setup
COPPER STRIP
Vo
GND
10uF
tantalum
1uF
ceramic
SCOPE
Resistive
Load
Note: Use a 10
μ
F tantalum and 1
μ
F capacitor. Scope
measurement should be made using a BNC connector.
Figure 30:
Peak-peak output noise and startup transient
measurement test setup.
SUPPLY
I
I
V
I
Vo
GND
Io
LOAD
CONTACT AND
DISTRIBUTION LOSSES
CONTACT RESISTANCE
Figure 31:
Output voltage and efficiency measurement test
setup
Note: All measurements are taken at the module terminals.
When the module is not soldered (via socket), place
Kelvin connections at module terminals to avoid
measurement errors due to contact resistance.
×
=
Ii
Vi
%
100
)
(
×
×
Io
Vo
η
DESIGN CONSIDERATIONS
Input Source Impedance
To maintain low noise and ripple at the input voltage, it is
critical to use low ESR capacitors at the input to the
module. Figure 32 shows the input ripple voltage (mVp-p)
for various output models using 2x100 μF low ESR
tantalum
capacitor (KEMET p/n: T491D107M016AS,
AVX p/n: TAJD107M106R, or equivalent) in parallel with
47 μF ceramic capacitor (TDK p/n:C5750X7R1C476M or
equivalent). Figure 33 shows much lower input voltage
ripple when input capacitance is increased to 400 μF (4 x
100 μF)
tantalum
capacitors in parallel with 94 μF (2 x 47
μF) ceramic capacitor.
The input capacitance should be able to handle an AC
ripple current of at least:
Vout
Vin
Arms
Vin
Vout
Iout
Irms
=
0
50
100
150
200
0
1
2
3
4
Output Voltage (Vdc)
I
3.3Vin
5.0Vin
Figure 32:
Input voltage ripple for various output models, Io =
6A (CIN = 2
×
100μF tantalum // 47μF ceramic)
0
20
40
60
80
0
1
2
3
4
Output Voltage (Vdc)
I
3.3Vin
5.0Vin
Figure 33:
Input voltage ripple for various output models, Io =
6A (CIN = 4
×
100μF tantalum // 2
×
47μF ceramic)
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DNS10S0A0S20NFB | 制造商:DELTA 制造商全稱:Delta Electronics, Inc. 功能描述:Non-Isolated Point of Load DC/DC Power Modules: 8.3-14Vin, 0.75-5.0V/20A out |
| DNS10S0A0S20NFD | 制造商:DELTA 制造商全稱:Delta Electronics, Inc. 功能描述:Non-Isolated Point of Load DC/DC Power Modules: 8.3-14Vin, 0.75-5.0V/20A out |
| DNS10S0A0S20PFB | 制造商:DELTA 制造商全稱:Delta Electronics, Inc. 功能描述:Non-Isolated Point of Load DC/DC Power Modules: 8.3-14Vin, 0.75-5.0V/20A out |
| DNS10S0A0S20PFD | 制造商:DELTA 制造商全稱:Delta Electronics, Inc. 功能描述:Non-Isolated Point of Load DC/DC Power Modules: 8.3-14Vin, 0.75-5.0V/20A out |
| DNS12S0A0R10NFA | 制造商:DELTA 制造商全稱:Delta Electronics, Inc. 功能描述:Delphi DNM, Non-Isolated Point of Load DC/DC Power Modules: 2.8-5.5Vin, 0.75-3.3V/10A out |
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