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参数资料
| 型号： | UCE-12/10-D48PBL2-Y |
| 厂商： | MURATA POWER SOLUTIONS INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 120 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | MODULE-8 |
| 文件页数： | 3/16页 |
| 文件大小： | 291K |
| 代理商： | UCE-12/10-D48PBL2-Y |
UCE Series
Isolated, High-Density, Eighth-Brick
Low Prole DC/DC Converters
www.murata-ps.com
email: sales@murata-ps.com
04 May 2010
MDC_UCE.A27 Page 11 of 16
Where,
' = | (VNOM VOUT) / VNOM |
VNOM is the nominal, untrimmed output voltage.
VOUT is the desired new output voltage.
Do not exceed the specied trim range or maximum power ratings when adjusting trim.
Use 1% precision resistors mounted close to the converter on short leads.
Trim Down
Connect trim resistor between
trim pin and Sense
'
5.11
R
TrimDn
(k Ω) =
10.22
Trim Up
Connect trim resistor between
trim pin and +Sense
1.225 ×
'
5.11 × VNOM × (1+
')
R
TrimUp
(k Ω) =
10.22
'
5.11
Figure 5. Trim Connections Using A Trimpot
Figure 8. Trim Connections To Decrease Output Voltages
Figure 6. Trim Connections To Increase Output Voltages
LOAD
+OUTPUT
–INPUT
+INPUT
ON/OFF
CONTROL
TRIM
+SENSE
–OUTPUT
–SENSE
LOAD
RTRIM DOWN
+OUTPUT
–INPUT
+INPUT
ON/OFF
CONTROL
TRIM
+SENSE
–OUTPUT
–SENSE
LOAD
RTRIM UP
+OUTPUT
–INPUT
+INPUT
ON/OFF
CONTROL
TRIM
+SENSE
–OUTPUT
–SENSE
Trim Equations
Trim Circuits
Figure 7. Driving the On/Off Control Pin (suggested circuit)
1
3
ON/OFF
CONTROL
-INPUT
+VCC
Connect sense to its respective VOUT pin if sense is not used with a remote load.
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