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): 2/12頁(yè)
文件大?。?/td> 265K
代理商: LM3822
Ordering Information
Order No.
*
Sense
Range
Sampling
Interval
*
Sensing
Method
NS
Package
Number
MUA08A
Package
Type
MSOP-8
Supplied As:
LM3822MM-1.0
±
1.0A
50 ms
High-side
Tape and Reel
(1000 units/reel)
Tape and Reel
(3500 units/reel)
Tape and Reel
(1000 units/reel)
Tape and Reel
(3500 units/reel)
LM3822MMX-1.0
±
1.0A
50 ms
High-side
MUA08A
MSOP-8
LM3822MM-2.0
±
2.0A
50 ms
High-side
MUA08A
MSOP-8
LM3822MMX-2.0
±
2.0A
50 ms
High-side
MUA08A
MSOP-8
*
Current is sampled over a fixed interval. The average current during this interval is indicated by the duty cycle of the PWM output
during next interval.
Pin Description (High-Side, LM3822)
Pin
1
2
3
4
5
Name
Function
SENSE+, V
DD
GND
FLTR+
FLTR
SD
High side of internal current sense, also supply voltage.
Supply Ground.
Filter input — provides anti-aliasing for delta sigma modulator.
Filter input.
Shutdown input. Connected to V
DD
through a pull-up resistor for normal operation.
When low, the LM3822 is put into a low current mode.
Connect to GND for normal operation.
Digital output indicates the current magnitude and direction.
Low side of internal current sense.
6
7
8
TEST
PWM
SENSE
L
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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(chēng):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(lèi)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(lèi)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(lèi)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(lèi)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(lèi)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(lèi)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