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參數(shù)資料
| 型號(hào)： | PDT006A0X43-SRZ |
| 廠商： | LINEAGE POWER LLC |
| 元件分類： | 電源模塊 |
| 英文描述： | DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT PACKAGE-9 |
| 文件頁數(shù)： | 9/38頁 |
| 文件大?。?/td> | 760K |
| 代理商： | PDT006A0X43-SRZ |
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Preliminary Data Sheet
June 13, 2011
6A Digital Pico DLynxTM: Non-isolated DC-DC Power Modules
3 – 14.4Vdc input; 0.45Vdc to 5.5Vdc output; 6A output current
LINEAGE POWER
17
Tunable Loop
TM
The module has a feature that optimizes transient
response of the module called Tunable Loop
TM.
External capacitors are usually added to the output of
the module for two reasons: to reduce output ripple and
noise (see Figure 38) and to reduce output voltage
deviations from the steady-state value in the presence of
dynamic load current changes. Adding external
capacitance however affects the voltage control loop of
the module, typically causing the loop to slow down with
sluggish response. Larger values of external
capacitance could also cause the module to become
unstable.
The Tunable Loop
TM allows the user to externally adjust
the voltage control loop to match the filter network
connected to the output of the module. The Tunable
Loop
TM is implemented by connecting a series R-C
between the VS+ and TRIM pins of the module, as
shown in Fig. 47. This R-C allows the user to externally
adjust the voltage loop feedback compensation of the
module.
Figure. 47. Circuit diagram showing connection of
RTUME and CTUNE to tune the control loop of the
module.
Recommended values of RTUNE and CTUNE for different
output capacitor combinations are given in Tables 2 and
3. Table 3 shows the recommended values of RTUNE and
CTUNE for different values of ceramic output capacitors
up to 1000uF that might be needed for an application to
meet output ripple and noise requirements. Selecting
RTUNE and CTUNE according to Table 3 will ensure stable
operation of the module.
In applications with tight output voltage limits in the
presence of dynamic current loading, additional output
capacitance will be required. Table 3 lists recommended
values of RTUNE and CTUNE in order to meet 2% output
voltage deviation limits for some common output
voltages in the presence of a 6A to 6A step change
(50% of full load), with an input voltage of 12V.
Please contact your Lineage Power technical
representative to obtain more details of this feature as
well as for guidelines on how to select the right value of
external R-C to tune the module for best transient
performance and stable operation for other output
capacitance values or input voltages other than 12V.
Table 2. General recommended values of of RTUNE
and CTUNE for Vin=12V and various external ceramic
capacitor combinations.
Co
1x47
μF 2x47μF 4x47μF 6x47μF 10x47μF
RTUNE
330
270
220
180
CTUNE 680pF 1800pF 3300pF 4700pF 5600pF
Table 3. Recommended values of RTUNE and CTUNE to
obtain transient deviation of 2% of Vout for a 3A
step load with Vin=12V.
Vo
5V
3.3V
2.5V
1.8V
1.2V
0.6V
Co 2x47μF 3x47μF 3x47μF 1x330μF
Polymer
2x330
μF
Polymer
4x330
μF
Polymer
RTUNE
270
180
CTUNE 2200pF 3300pF 3300pF 4700pF 12nF
33nF
ΔV
76mV 48mV 47mV
33mV
18mV
10mV
VS+
MODULE
SIG_GND
TRIM
VOUT
RTune
CTune
RTrim
CO
GND
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PDT012A0X | 制造商:LINEAGEPOWER 制造商全稱:LINEAGEPOWER 功能描述:12A Digital Pico DLynxTM: Non-Isolated DC-DC Power Modules |
| PDT012A0X3 | 制造商:LINEAGEPOWER 制造商全稱:LINEAGEPOWER 功能描述:12A Digital Pico DLynxTM: Non-Isolated DC-DC Power Modules |
| PDT012A0X3_1108 | 制造商:LINEAGEPOWER 制造商全稱:LINEAGEPOWER 功能描述:12A Analog Pico DLynxTM: Non-Isolated DC-DC Power Modules |
| PDT012A0X3_1109 | 制造商:LINEAGEPOWER 制造商全稱:LINEAGEPOWER 功能描述:12A Digital Pico DLynxTM: Non-Isolated DC-DC Power Modules |
| PDT012A0X3-AASRZ | 制造商:GE Critical Power 功能描述:- Tape and Reel |
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