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参数资料
| 型号： | QPO-1LZ |
| 厂商： | Vicor Corporation |
| 文件页数： | 2/17页 |
| 文件大小： | 0K |
| 描述： | 3-30V 10A OUT RIPPLE ATTENUATOR |
| 标准包装： | 20 |
| 系列： | Picor®, QUIETPOWER® |
| 其它名称： | 1102-1084-5 |
PICOR Corporation picorpower.com
QPO-1
Rev 3.6
Page 10 of 17
QPO-1
QUIETPOWER
Converter Output Voltage Trimming:
Trimming “UP” using Remote Sense
Figure 15 - Trimming a converter using remote sensing.
When trimming up a converter in a remote sense
configuration, the designer must be aware that the voltage
the trim-up resistor is connected to, the output of the
converter, is not just the desired trim-up voltage but also the
headroom voltage of the filter. The voltage programmed on
the converter’s SC pin is based on just the trimmed up
voltage alone. To calculate the RUP resistor use the following
equation:
Where: RUP = trim up resistor
VNOM = nominal converter output voltage
VOUT = desired output voltage, seen on QPO-1’s
output
VHR = headroom voltage drop across the QPO-1
VREF = converter’s internal reference voltage
RREF = converter’s internal series resistor
Trimming “Down” using Remote Sense or SC control
When trimming down a converter, in either remote sense or
SC control, there are no other voltage drops to take into
consideration so the equation to calculate a trim down
resistor is:
Where: RDN = trim down resistor
VNOM = nominal converter output voltage
VOUT = desired output voltage, seen on QPO-1’s
output
RREF = converter’s internal series resistor
Trimming “UP” using SC control
When trimming up a converter using SC control, as is shown
in Figure 16, the designer would calculate the trim-up resistor
based on the designed trimmed up voltage without regard for
the headroom voltage drop. The QPO-1’s SC circuit will adapt
the converter’s output for the additional headroom voltage
drop of the filter.
Where: RUP = trim up resistor
VNOM = nominal converter output voltage
VOUT = desired output voltage, seen on QPO-1’s
output
VREF = converter’s internal reference voltage
RREF = converter’s internal series resistor
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相关代理商/技术参数 |
参数描述 |
|---|---|
| QPO-1LZ-01 | 功能描述:IC INTERFACE FILTER RoHS:是 类别:集成电路 (IC) >> 接口 - 滤波器 - 有源 系列:Picor®, QUIETPOWER® 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1,000 系列:- 滤波器类型:连续时间，带通低通 频率 - 截止或中心:150kHz 滤波器数:4 滤波器阶数:8th 电源电压:4.74 V ~ 11 V，±2.37 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC W 包装:带卷 (TR) |
| QPO-1Q | 制造商:VICOR 制造商全称:Vicor Corporation 功能描述:Output Ripple Attenuation SiP |
| QPO-2EVAL1 | 制造商:VICOR 制造商全称:Vicor Corporation 功能描述:Evaluation Board for QPO-2 Active Output Filter |
| QPO-2-EVAL1 | 功能描述:EVALUATION BOARD FOR QPO-2 RoHS:是 类别:编程器，开发系统 >> 评估演示板和套件 系列:Picor®, QUIETPOWER® 标准包装:1 系列:PSoC® 主要目的:电源管理，热管理 嵌入式:- 已用 IC / 零件:- 主要属性:- 次要属性:- 已供物品:板，CD，电源 |
| QPO-2L | 制造商:POWERBOX 制造商全称:Powerbox 功能描述:OUTPUT RIPPLE ATTENUATOR |
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