參數(shù)資料
型號(hào): LM3822
廠商: National Semiconductor Corporation
英文描述: Precision Current Gauge IC with Internal Zero Ohm Sense Element and PWM Output
中文描述: 精密電流計(jì)IC,內(nèi)部零歐姆檢測(cè)元件和PWM輸出
文件頁(yè)數(shù): 7/12頁(yè)
文件大?。?/td> 265K
代理商: LM3822
Typical Application Circuits
In the application circuits, the 0.1 μF ceramic capacitor between pins 1 and 2
is used for bypassing, and the 0.1 μF ceramic capacitor between pins 3 and 4 is used for filtering. Shutdown (SD) is tied to
V
DD
through a 10 k
resistor. (Continued)
DS101249-7
FIGURE 2. Paralleling LM3822 for Higher Load Current
I
= 2.2(D
0.5)I
+ 2.2(D
0.5)I
where D
is the duty cycle of PWM1 and D
is the duty cycle of PWM2.
Please refer to the Product Operation section for more information.
DS101249-8
FIGURE 3. High Voltage Operation — V
Greater Than 5.5V (High Side Sense)
(PWM output is referred to Pin 6)
L
www.national.com
7
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM3822MM-1.0 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Precision Current Gauge IC with Internal Zero Ohm Sense Element and PWM Output
LM3822MM-1.0/NOPB 功能描述:IC CURRENT GAUGE PREC 8-MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)流/電流管理 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 功能:電流開(kāi)關(guān) 檢測(cè)方法:- 精確度:±10% 輸入電壓:1.7 V ~ 5.5 V 電流 - 輸出:600mA 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-UFQFN 供應(yīng)商設(shè)備封裝:10-UTQFN(1.4x1.8) 包裝:管件
LM3822MM-2.0 制造商:Texas Instruments 功能描述:IC CURRENT GAUGE SMD MSOP8 3822
LM3822MM-2.0/NOPB 功能描述:IC CURRENT GAUGE PREC 8-MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)流/電流管理 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 功能:電流開(kāi)關(guān) 檢測(cè)方法:- 精確度:±10% 輸入電壓:1.7 V ~ 5.5 V 電流 - 輸出:600mA 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-UFQFN 供應(yīng)商設(shè)備封裝:10-UTQFN(1.4x1.8) 包裝:管件
LM3822MMX-1.0 功能描述:IC CURRENT GAUGE PRECISION 8MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)流/電流管理 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 功能:電流開(kāi)關(guān) 檢測(cè)方法:- 精確度:±10% 輸入電壓:1.7 V ~ 5.5 V 電流 - 輸出:600mA 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-UFQFN 供應(yīng)商設(shè)備封裝:10-UTQFN(1.4x1.8) 包裝:管件