LINEAR TECHNOLOGY LTC4419CMSE#PBF Special Function IC, Power Path Prioritizer, 1.8 V to 18 V in, MSOP-12 新
The is an 18V dual input micropower PowerPath prioritizer in 12 pin MSOP package. This monolithic PowerPath prioritizer with low operating current provides back-up switchover for keeping critical circuitry alive during brown out and power loss conditions. Unlike diode-OR products, little current is drawn from inactive supply even if its voltage is greater than active supply. Internal dual 2ohm, 0.5A current limited PMOS switches provide power path selection from a primary input V1 or a backup input V2 to output. An adjustable voltage monitor set via an external resistive divider provides flexibility in setting V1 to V2 switchover threshold. When primary input V1 drops, ADJ monitor input causes OUT to be switched to V2. The LTC4419 has two auxiliary ±2.3% accurate comparators with open-drain outputs that provide flexible voltage monitoring. The V2ON output indicates if V2 is powering OUT. Freshness seal mode prevents V2 battery discharge during storage or shipment.
电源电压DC 1.80V min
供电电流 3.6 µA
针脚数 12
输出电流Max 1.6 A
工作温度Max 85 ℃
工作温度Min -40 ℃
电源电压 1.8V ~ 18V
电源电压Max 18 V
电源电压Min 1.8 V
安装方式 Surface Mount
引脚数 12
封装 MSOP-12
封装 MSOP-12
工作温度 0℃ ~ 70℃
产品生命周期 Active
包装方式 Each
制造应用 Portable Devices, 便携式器材, Power Management, 备用电池, 电源管理
RoHS标准 RoHS Compliant
含铅标准 Lead Free
REACH SVHC版本 2015/12/17
ECCN代码 EAR99
型号/品牌 | 代替类型 | 替代型号对比 |
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LTC4419CMSE#PBF Linear Technology 凌力尔特 | 当前型号 | 当前型号 |
LTC4419CMSE#TRPBF 凌力尔特 | 类似代替 | LTC4419CMSE#PBF和LTC4419CMSE#TRPBF的区别 |