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參數(shù)資料
| 型號： | DFC15U48S12 |
| 廠商： | POWER-ONE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 15 W DC-DC REG PWR SUPPLY MODULE |
| 文件頁數(shù)： | 3/4頁 |
| 文件大小： | 119K |
| 代理商： | DFC15U48S12 |
DFC15 SERIES BLOCK DIAGRAM
5
+ OUTPUT
SHIELDED ISOLATION TRANSFORMER
+
6
- OUTPUT
7
TRIM
ISOLATED
FEEDBACK
LOW TC
BANDGAP
REFERENCE
FIVE SIDED SHIELDED COPPER CASE
+
–
2
– INPUT
ON/OFF
1
3
+ INPUT
CURRENT
MODE
PWM
+
50
0
5
10
15
60
70
80
90
40
OUTPUT POWER DERATING
AMBIENT TEMPERATURE
POWER
OUTPUT
DFC15 Series Application Notes:
External Capacitance Requirements
No external capacitance is required for operation of the DFC15 Series. However, for maximum performance, it is
recommended that the DFC15 Series use a capacitor of sufficient ripple current capacity connected across the input
pins if a capacitive input source is farther than 1” from the converter. To meet the reflected ripple requirements of the
converter, an input impedance of less than 0.05 Ohms from DC to 200 kHz is required. External output capacitance
is not required for operation, however it is recommended that 1 μF to 10 μF of tantalum and 0.001 to 0.1 μF ceramic
capacitance be selected for reduced system noise. Additional output capacitance may be added for increased
filtering, but should not exceed 400 μF.
Negative Outputs
A negative output voltage may be obtained by connecting the +OUT to circuit ground and connecting -OUT as the
negative output.
Remote ON/OFF Operation
The remote ON/OFF pin may be left floating if this function is not used. It is recommended to drive this pin with an
open collector arrangement or a relay contact. When the ON/OFF pin is pulled low with respect to the -INPUT, the
converter is placed in a low power drain state. Do not drive this input from a logic gate directly; there is a 100 kV
internal pull-up resistor to a 9 volt source.
Output Trim
The TRIM pin may be used to adjust the output ±5% from the nominal setting. This function allows adjustment for
voltage drops in the system wiring, as well 5.2 volt outputs for ECL applications. Figure 1 shows the proper
connections to use this function. A trimpot value of 10 kV should be used for 5 volt outputs. A trimpot value of 20 kV
should be used for 12 and 15 volt outputs. If the TRIM function is not required, the pin may be left floating.
DFC15 Single-Output DC-DC Series Data Sheet
MCD10177 Rev. 1.0, 16-Jun-10
Page 3 of 4
www.power-one.com
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DFC15U48S12M | 制造商:Power-One 功能描述: |
| DFC15U48S15 | 功能描述:CONVERTER DC-DC 15W 48V/15V SGL RoHS:否 類別:電源 - 板載 >> DC DC Converters 系列:DFC15 標(biāo)準(zhǔn)包裝:5 系列:* |
| DFC15U48S15M | 制造商:Power-One 功能描述: |
| DFC15U48S5 | 功能描述:CONVERTER DC-DC 15W 5V SGL RoHS:否 類別:電源 - 板載 >> DC DC Converters 系列:DFC15 標(biāo)準(zhǔn)包裝:5 系列:* |
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