參數(shù)資料
型號: IR2171
廠商: International Rectifier
英文描述: LINEAR CURRENT SENSING IC
中文描述: 線性電流感應(yīng)集成電路
文件頁數(shù): 4/7頁
文件大小: 149K
代理商: IR2171
4
IR2171
ADVANCE INFORMATION
www.irf.com
Application Hint:
Temperature drift of the output carrier frequency can be cancelled by measuring both a PWM period and
the on-time of PWM (Duty) at a same time. Since both periods vary in the same direction, computing the
ratio between these values at each PWM periods gives consistent measurement of the current feedback
over the temperature drift.
Vin+= -260mV
Vin- = 0V
Vin+= +260mV
Vin- = 0V
Duty=93%
Duty=7%
Carrier Frequency =
40kHz
PO
PO
Timing Waveforms
Figure 1 Output waveform
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
IR2171_06 制造商:IRF 制造商全稱:International Rectifier 功能描述:LINEAR CURRENT SENSING IC
IR2171S 功能描述:IC CURRENT SENSE 8SOIC RoHS:否 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:電流開關(guān) 檢測方法:- 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
IR2171SPBF 功能描述:板上安裝電流傳感器 IR2171S is not recommended for new designs. RoHS:否 制造商:Honeywell 電流額定值:+/- 56 A 傳感器/變換器類型: 電源電壓:4.75 VDC to 5.25 VDC 響應(yīng)時間:< 0.2 us 輸出電壓: 工作溫度:- 40 C to + 85 C 準(zhǔn)確性:+/- 0.24 % 頻率范圍:
IR2171STR 功能描述:IC CURRENT SENSE 8SOIC RoHS:否 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:電流開關(guān) 檢測方法:- 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
IR2171STRPBF 功能描述:板上安裝電流傳感器 IR2171S is not recommended for new designs. RoHS:否 制造商:Honeywell 電流額定值:+/- 56 A 傳感器/變換器類型: 電源電壓:4.75 VDC to 5.25 VDC 響應(yīng)時間:< 0.2 us 輸出電壓: 工作溫度:- 40 C to + 85 C 準(zhǔn)確性:+/- 0.24 % 頻率范圍: