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參數(shù)資料
| 型號： | QPO-2-EVAL1 |
| 廠商： | Vicor Corporation |
| 文件頁數(shù)： | 1/1頁 |
| 文件大小： | 0K |
| 描述： | EVALUATION BOARD FOR QPO-2 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | Picor®, QUIETPOWER® |
| 主要目的： | 濾波器，有源 - 帶通 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | QPO-2 |
| 已供物品： | 板 |
| 其它名稱： | 1102-1073 |
Defining the Quality of Power Through Innovation
picorpower.com
Rev 1.0 11/06 33281
800-735-6200
Active Output Ripple Attenuators (QPO Series)
10 and 20 Amp
QPO
US AND FORIEGN PATENTS PENDING
081
0315A
PHIL
25 mm
4.5 mm
>30 dB PARD attenuation, 1 kHz to 500 kHz
Supports precise point-of-load regulation
Up to 99% efficient
High density, low profile LGA package
Reduces required number of output capacitors
to support dynamic loads
User selectable optimization of attenuation,
power dissipation, and transient load response
Compatible with most DC-DC converters
The QPO output ripple attenuator products use proprietary active
filtering to reduce power supply output ripple and noise (PARD) over
30 dB from 1 kHz to 500 kHz. QPOs improve transient response,
ensures quiet point-of-load regulation and works with most DC-DC
converters and switching power supplies. Output regulation is
maintained using remote sensing or the trim input of the power
supply.
Load capacitance using this active technique can effectively be
reduced by a factor of 10, providing equivalent transient
performance. In the typical application schematic below the QPO
was inserted between the converter and the load using no additional
load capacitance. As shown in the performance plot, the drop in
load voltage (approx. 10 mV; channel 2) was significantly reduced
when compared to the converter output (approx. 100 mV; channel
1) with a 10 A transient load current step. The ripple voltage
amplitude was also reduced by a similar factor at the load.
Telecom base station power amplifiers
Low noise POL
Industrial test and measurement
Sensors requiring low noise power
Medical instrumentation
Military targeting and displays
Lasers and optical systems
QUIETPOWER
Product Description
Features
Applications
Part Numbering
RHR
SC SET
CESR
QPO OUT
VREF
GND
SC
QPO IN
REFGND
QPO-1
Cout
Rsc
CSC
VOUT+
VOUT-
SENSE+
SENSE-
SC
LOAD+
LOAD-
RSL
QPO Performance
Typical Application
QPO IN (AC)
QPO OUT (AC)
LOAD CURRENT
(DC) 5A/DIV
Part Number
Input
Current
Attenuation
(Z=RoHS)
Voltage
Rating
QPO-1L(Z)
3 – 30 Vdc
10 A
>30 dB PARD, 1 kHz to 500 kHz
QPO-2L(Z)
0.3 – 5.5 Vdc
20 A
>20 dB PARD, 1 kHz to 500 kHz, Aux. Bus bias
QPO Evaluation Boards
Available
For more information,
go to picorpower.com
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