Datasheet > QPO-1-EVAL3

QPO-1-EVAL3

更新时间： 2024-11-29 22:44:23

品牌	Logo	应用领域
VICOR		转换器
页数	文件大小	规格书
4页	411K
描述
QPO-1 Evaluation Board, Micro Foot Print DC-DC Converters

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中文翻译

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数据手册

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QPO-1-EVAL3 数据手册

P R E L I M I N A RY

™

QuietPower

QPO-1-EVAL3

QPO-1 Evaluation Board, Micro Foot Print DC-DC Converters

Description

Features of the QPO-1

The QPO-1-EVAL3 is designed to allow full testing of

the QPO-1 and its various performance settings to

optimize final system design. The board offers switch

settings for the user to select preset values for the

Rhr, Rsc, and Rsa resistors. Solder pads are available

to mount user-selected values of these components if

required. Please refer to the QPO-1 product data

sheet, and the following pages for the proper

application of this board. The EVAL3 accommodates

Vicor’s quarter brick DC-DC converters with an input

up to 72 Vdc.

• >30 dB PARD attenuation, 1 kHz to 500 kHz

• >20 dB PARD attenuation, 50 Hz to 500 Hz

• 10A rating over a 3-30 Vdc operating range

• Supports precise point-of load regulation

• Up to 99% efficiency with power limit protection

• User selectable optimization of attenuation,

power dissipation & transient load response

• Peak detector function optimizes for ripple

amplitude variation automatically

The QPO-1 output ripple attenuator SiP uses active

filtering to reduce output ripple and noise (PARD)

over 20 dB from 50 Hz to 500 kHz. The QPO-1

operates over a voltage range from 3 to 30 Vdc and

supports load currents as high as 10A. Output

regulation is maintained with remote sense or trim

adjustment of the power supply. The closed loop

architecture improves transient response and ensures

precise point-of-load regulation.

• 1.0 x 1.0 x 0.2” SiP with BGA or LGA mounting

• Improves transient response of most DC-DC

converters and power supplies

• Reduces required number of output capacitors

to support dynamic loads.

• Patents Pending

Other eval boards (see part numbering description)

allow easy evaluation with other DC-DC converters

or power supplies with standard terminations.

Note 1: For off-line supplies 20dB attenuation can be achieved

down to 50Hz with additional capacitance added from the

VREF pin to the REFGND pin.

Typical Application

QPO-1 Performance

LOAD+

QPO IN

QPO OUT

VOUT+

QPO IN (AC)

Cout

Rsc

SENSE+

QPO-1

SC SET

CESR

VREF

QPO OUT (AC)

Rhr

SENSE-

VOUT-

LOAD-

LOAD CURRENT (DC) 1A/DIV

Figure 1 – SC/Trim supports applications that don’t

require remote sense.

Figure 2 – Typical performance with a 3.3 Volt converter.

QPO-1-EVAL3 Data Sheet Rev. 1.1 Page 1 of 4

Picor Corporation • www.picorpower.com

12 3 4

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与QPO-1-EVAL3相关器件

型号	品牌	获取价格	描述	数据表
QPO-1-EVAL5	VICOR	获取价格	QPO-1 Evaluation Board, Mini Foot Print DC-DC Converters
QPO-1L	VICOR	获取价格	Output Ripple Attenuation SiP
QPO-1L	POWERBOX	获取价格	OUTPUT RIPPLE ATTENUATOR
QPO-1LZ	POWERBOX	获取价格	OUTPUT RIPPLE ATTENUATOR
QPO-1Q	VICOR	获取价格	Output Ripple Attenuation SiP
QPO-2EVAL1	VICOR	获取价格	Evaluation Board for QPO-2 Active Output Filter
QPO-2L	VICOR	获取价格	QPO-2L Low Voltage Output Ripple Attenuator
QPO-2L	POWERBOX	获取价格	OUTPUT RIPPLE ATTENUATOR
QPO-2LZ	VICOR	获取价格	暂无描述
QPO-2LZ-01	VICOR	获取价格	Variable Attenuator, ROHS COMPLIANT, SIP-16

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