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参数资料
| 型号： | DGP12U5S5 |
| 厂商： | POWER-ONE INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 12 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | ROHS COMPLIANT PACKAGE-7 |
| 文件页数： | 3/4页 |
| 文件大小： | 123K |
| 代理商： | DGP12U5S5 |
DGP12 Single-Output DC-DC Series Data Sheet
MCD10150 Rev. 1.0, 08-Mar-10
Page 3 of 4
www.power-one.com
DGP12 SERIES APPLICATION NOTES: (Cont.)
Remote ON/OFF Operation
The remote On/Off pin must 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. The input capacitors are kept fully charged in the
Off mode. For proper operation, do not drive this input
from a logic gate directly.
The On/Off pin must be left floating for proper operation.
Be aware that this input may be noise sensitive; use
proper PCB design guidelines. The On/Off pin should
never be pulled more than 0.3 volts below the negative
input or have a voltage greater than 2 volts applied.
Output Trim
The TRIM pin may be used to adjust the output ±10%
from the nominal setting. This function allows adjustment
for voltage drops in the system wiring, as well as the 5.2
volt outputs for ECL applications. Figure 1 shows the
proper connections to use this function. A trimpot value
of 10 kOhms should be used for 5 volt outputs. A trimpot
value of 20 kOhms should be used for 12 and 15 volt
outputs. If the TRIM function is not required, the pin may
be left floating.
5
+OUT
7
TRIM
10K
LOAD
USING TRIMPOT
6
-OUT
5
+OUT
7
TRIM
DOWN
TRIM
UP
LOAD
USING FIXED RESISTORS
6
-OUT
Figure 1.
DGP12 SERIES BLOCK DIAGRAM
5
+ OUTPUT
SHIELDED ISOLATION TRANSFORMER
+
6
- OUTPUT
7
TRIM
ISO AMP
LOW TC
BANDGAP
REFERENCE
FIVE SIDED SHIELDED COPPER CASE
+
–
2
– INPUT
ON/OFF
1
3
+ INPUT
CURRENT
MODE
PWM
+
50
4
6
8
10
12
60
70
80
90
100
OUTPUT POWER DERATING
AMBIENT TEMPERATURE
POWER
OUTPUT
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