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參數(shù)資料
| 型號(hào)： | PQ60240HZA25NNA-G |
| 廠商： | SYNQOR INC |
| 元件分類(lèi)： | 電源模塊 |
| 英文描述： | 1-OUTPUT 600 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT, HALF BRICK PACKAGE-9 |
| 文件頁(yè)數(shù)： | 3/14頁(yè) |
| 文件大?。?/td> | 2078K |
| 代理商： | PQ60240HZA25NNA-G |
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Product # PQ60240HZx25
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005987 Rev. 1
12/02/10
Page 11
Technical
Specification
PQ60240HZx25
Applications 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 web
site (www.synqor.com) 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 Input 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 electrolytic input 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.
Figure D: Typical application circuit (negative logic unit, permanently enabled).
Figure E: Internal Input Filter Diagram (component values listed on page 3).
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
2
C
1
Lin
Vin(+)
Vin(_)
Vout(+)
Vout(-)
Regulation
Stage
Current
Sense
Isolation
Stage
advanced
publication
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