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参数资料
| 型号： | CF48050QTC25NRS-G |
| 厂商： | SYNQOR INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 150 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | ROHS COMPLIANT, QUARTER BRICK-8 |
| 文件页数： | 6/19页 |
| 文件大小： | 1816K |
| 代理商： | CF48050QTC25NRS-G |
CF48xxxQTxxx
CF48xxxQTxxx
Technical
Specification
Product # CF48xxxQTXxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005450 Rev. B
05/11/10
Page 14
CF48xxxQTxxx
APPLICATION CONSIDERATIONS
Figure C: Typical application circuit (negative logic unit, permanently enabled).
Figure D: Internal Input Filter Diagram (component values listed on the specifications page).
Vin
External
Input
Filter
Trim
Vin(+)
I
load
C
load
Vout(+)
R
trim-up
or
R
trim-down
Vsense(+)
ON/OFF
Vin(_)
Vout(_)
Vsense(_)
Electrolytic
Capacitor
C
L
Vin(+)
Vin(_)
Input System Instability: This condition can occur because
any dc-dc converter appears incrementally as a negative
resistance load. A detailed application note titled “Input System
Instability” is available on the SynQor website which provides
an understanding of why this instability arises, and shows the
preferred solution for correcting it.
Application Circuits: Figure C provides a typical circuit diagram
which details the input filtering and voltage trimming.
Input Filtering and External Capacitance: Figure D provides
a diagram showing the internal input filter components. This filter
dramatically reduces input terminal ripple current, which otherwise
could exceed the rating of an external electrolytic input capacitor.
The recommended external input capacitance is specified in the
Input Characteristics section on the Electrical Characteristics
page. More detailed information is available in the application note
titled “EMI Characteristics” on the SynQor website.
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