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參數(shù)資料
| 型號： | PQ60018EKC25NYS-G |
| 廠商： | SYNQOR INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 45.45 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT PACKAGE-8 |
| 文件頁數(shù)： | 5/15頁 |
| 文件大?。?/td> | 821K |
| 代理商： | PQ60018EKC25NYS-G |
Product # PQ60018EKx25
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005113 Rev. C
06/29/09
Page 13
Input:
Output:
Current:
Part No.:
35-75V
1.8V
25A
PQ60018EKx25
Technical Specification
Application Section
APPLICATION CONSIDERATIONS
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 D below provides a typical circuit
diagram which details the input filtering and voltage trimming.
Input Filtering and External Capacitance: Figure E below
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
input electrolytic capacitor. The recommended external input
capacitance is specified in the “Input Characteristics” section.
More detailed information is available in the application note
titled “EMI Characteristics” on the SynQor website.
Startup Inhibit Period: The Startup Inhibit Period ensures
that the converter will remain off for approximately 200ms
when it is shut down for any reason. In all, there are five ways
that the converter can be shut down, initiating a Startup Inhibit
Period:
Input Under-Voltage Lockout
Output Over-Voltage Protection
Over Temperature Shutdown
Current Limit
Turned off by the ON/OFF input
Vin
External
Input
Filter
Trim
Vin(+)
Iload
Cload
L
C
Vout(+)
Rtrim-up
or
Rtrim-down
Vsense(+)
ON/OFF
Vin(_)
Vin(+)
Vin(_)
Vout(_)
Vsense(_)
Figure D:
Typical application circuit (negative logic unit, permanently enabled).
Figure E:
Internal Input Filter Diagram (component values listed on the specifications page).
Electrolytic
Capacitor
47F
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| PQ60018EKL25PYS-G | 1-OUTPUT 45.45 W DC-DC REG PWR SUPPLY MODULE |
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| PQ60018EKC25PKS-G | 制造商:SYNQOR 制造商全稱:SYNQOR 功能描述:Eighth-brick DC-DC Converter |
| PQ60018EKC25PNS-G | 制造商:SYNQOR 制造商全稱:SYNQOR 功能描述:Eighth-brick DC-DC Converter |
| PQ60018EKC25PRS-G | 制造商:SYNQOR 制造商全稱:SYNQOR 功能描述:Eighth-brick DC-DC Converter |
| PQ60018EKC25PYS-G | 制造商:SYNQOR 制造商全稱:SYNQOR 功能描述:Eighth-brick DC-DC Converter |
| PQ60018EKL25NKS-G | 制造商:SYNQOR 制造商全稱:SYNQOR 功能描述:Eighth-brick DC-DC Converter |
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