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參數(shù)資料
| 型號： | QPO-1LZ |
| 廠商： | Vicor Corporation |
| 文件頁數(shù)： | 2/17頁 |
| 文件大小： | 0K |
| 描述： | 3-30V 10A OUT RIPPLE ATTENUATOR |
| 標(biāo)準(zhǔn)包裝： | 20 |
| 系列： | Picor®, QUIETPOWER® |
| 其它名稱： | 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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| QPO-1LZ-01 | 功能描述:IC INTERFACE FILTER RoHS:是 類別:集成電路 (IC) >> 接口 - 濾波器 - 有源 系列:Picor®, QUIETPOWER® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1,000 系列:- 濾波器類型:連續(xù)時間，帶通低通 頻率 - 截止或中心:150kHz 濾波器數(shù):4 濾波器階數(shù):8th 電源電壓:4.74 V ~ 11 V，±2.37 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) |
| QPO-1Q | 制造商:VICOR 制造商全稱:Vicor Corporation 功能描述:Output Ripple Attenuation SiP |
| QPO-2EVAL1 | 制造商:VICOR 制造商全稱: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 類別:編程器，開發(fā)系統(tǒng) >> 評估演示板和套件 系列:Picor®, QUIETPOWER® 標(biāo)準(zhǔn)包裝:1 系列:PSoC® 主要目的:電源管理，熱管理 嵌入式:- 已用 IC / 零件:- 主要屬性:- 次要屬性:- 已供物品:板，CD，電源 |
| QPO-2L | 制造商:POWERBOX 制造商全稱:Powerbox 功能描述:OUTPUT RIPPLE ATTENUATOR |
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