参数资料
型号: LM3824
厂商: National Semiconductor Corporation
英文描述: Precision Current Gauge IC with Internal Zero Ohm Sense Element and PWM Output
中文描述: 精密电流计IC,内部零欧姆检测元件和PWM输出
文件页数: 10/12页
文件大小: 265K
代理商: LM3824
Typical Application Circuits In the application circuits, the 0.1 F ceramic capacitor between pins 1 and 2
is used for bypassing, and the 0.1 F ceramic capacitor between pins 3 and 4 is used for filtering. Shutdown (SD) is tied to
VDD through a 10 k
resistor. (Continued)
DS200007-7
FIGURE 2. Paralleling LM3824 for Higher Load Current
I
TOTAL = 2.2(D10.5)IMAX + 2.2(D20.5)IMAX
where D
1 is the duty cycle of PWM1 and D2 is the duty cycle of PWM2.
Please refer to the Product Operation section for more information.
DS200007-8
FIGURE 3. High Voltage Operation — V
IN Greater Than 5.5V (High Side Sense)
(PWM output is referred to Pin 6)
LM3824
www.national.com
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相关代理商/技术参数
参数描述
LM3824MM-1.0 制造商:Texas Instruments 功能描述:Battery Charger 8-Pin MSOP Rail 制造商:Texas Instruments 功能描述:IC CURRENT GAUGE FAST SMD MSOP8
LM3824MM-1.0/NOPB 功能描述:IC CURRENT GAUGE 3% 8MSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 稳流/电流管理 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 功能:电流开关 检测方法:- 精确度:±10% 输入电压:1.7 V ~ 5.5 V 电流 - 输出:600mA 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-UFQFN 供应商设备封装:10-UTQFN(1.4x1.8) 包装:管件
LM3824MM-2.0 功能描述:IC CURRENT GAUGE 3% 8MSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 稳流/电流管理 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 功能:电流开关 检测方法:- 精确度:±10% 输入电压:1.7 V ~ 5.5 V 电流 - 输出:600mA 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-UFQFN 供应商设备封装:10-UTQFN(1.4x1.8) 包装:管件
LM3824MM-2.0/NOPB 制造商:Texas Instruments 功能描述:Battery Charger 8-Pin MSOP Rail
LM3824MMX-1.0 功能描述:IC CURRENT GAUGE PRECISION 8MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳流/电流管理 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 功能:电流开关 检测方法:- 精确度:±10% 输入电压:1.7 V ~ 5.5 V 电流 - 输出:600mA 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-UFQFN 供应商设备封装:10-UTQFN(1.4x1.8) 包装:管件