DC2041A,使用 LTC3255EMSE 寬 VIN 范圍故障保護 50mA 降壓充電泵的演示板。 LTC3255 能夠以 2:1 的比例降壓,以有效地將輸出電壓調節到低于 VIN 電壓的一半,從而減少所需的輸入
電流。當 VIN 降至 VOUT 兩倍以下時,LTC3255 將自動切換至 1:1 模式。 LTC3255 還具有一個集成并聯
穩壓器,使其能夠從 4mA 至 20mA
電流環路提供穩壓輸出。 LTC3255 是一款堅固耐用的
器件,能夠承受反極性輸入
電源的影響,并具有電流限制和過溫保護功能
說明
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DC2041A, Demonstration Board using LTC3255EMSE Wide VIN Range Fault Protected 50mA Step-Down Charge Pump. The LTC3255 has the ability to step down voltage 2:1 to efficiently regulate output voltages less than half the VIN voltage reducing the input current needed. As VIN reduces below twice VOUT, the LTC3255 will automatically switch to 1:1 mode. The LTC3255 also has an integrated shunt regulator allowing it to provide a regulated output from a 4mA to 20mA current loop. The LTC3255 is a robust device that can survive reverse polarity input supplies with current limit and over temperature protection
主要特色
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Conversion Type
DC to DC
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Input Voltage
4 to 48 V
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Output Voltage
2.4 to 12.5 V
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Output Current
0.05 A
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Topology
Buck