型号：LTC1871IMS

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LTC1871IMS 

LTC1871IMS

LTC1871IMS

规格信息：标准包装：50

类别：集成电路 (IC)

家庭：PMIC - 稳压器 - DC DC 切换控制器

系列：-

包装：管件

PWM 类型：电流模式，Burst Mode®

输出数：1

频率 - 值：1MHz

占空比：97%

电压 - 电源：2.5 V ~ 36 V

降压：无

升压：是

反激式：是

反向：无

倍增器：无

分频器：无

Cuk：无

隔离式：无

工作温度：-40°C ~ 125°C

封装/外壳：10-TFSOP，10-MSOP（0.118"，3.00mm 宽

The LTC®1871 is a wide input range, current mode, boost, fl  yback or SEPIC controller that drives an N-channel power MOSFET and requires very few external components. In-tended for low to medium power applications, it eliminates the need for a current sense resistor by utilizing the power MOSFET’s on-resistance, thereby maximizing effi ciency. The IC’s operating frequency can be set with an external resistor over a 50kHz to 1MHz range, and can be syn-chronized to an external clock using the MODE/SYNC pin. Burst Mode operation at light loads, a low minimum operating supply voltage of 2.5V and a low shutdown quiescent current of 10μA make the LTC1871 ideally suited for battery-operated systems. For applications requiring constant frequency opera-tion, Burst Mode operation can be defeated using the MODE/SYNC pin. Higher output voltage boost, SEPIC and fl yback applications are possible with the LTC1871 by connecting the SENSE pin to a resistor in the source of the power MOSFET.