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參數(shù)資料
| 型號： | PQ50180HTB10NNS |
| 廠商： | SYNQOR INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 180 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | HALF BRICK PACKAGE-12 |
| 文件頁數(shù)： | 4/14頁 |
| 文件大?。?/td> | 1178K |
| 代理商： | PQ50180HTB10NNS |
Technical Specification
Product # PQ50180HTB10
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005486 Rev. B
04/14/10
Page 12
Input:44-52V
Output:18V
Current:10A
Part No.:PQ50180HTB10
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 electrolytic
input capacitor. The recommended external input capacitance
is specified in the Input Characteristics section on the Electrical
Specifications page. More detailed information is available in the
application note titled “EMI Characteristics” on the SynQor website.
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
Figure D: Typical application circuit (negative logic unit, permanently enabled).
Figure E: Internal Input Filter Diagram (component values listed on page 3).
C
2
C
1
L
Vin(+)
Vin(_)
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