General Description The UM1661 PFM step-up DC/DC Converter drives white LEDs with a constant current to provide backlight in cell phones, PDAs, and other hand-held devices. It features allowing series connection of the white LEDs so that the LED currents are identical for uniform brightness...
任何DC-DC转换器,即使在待机模式下,也会消耗较大电流。例如,一款商用化的电源模块(RECOM® R-78A3.3-1OR),空载模式下的电流损耗达到7mA。当然,慎重选择电源拓扑,通过认真仔细的设计,能够使隔离型DC-DC转换器模块的空载电流保持在1mA以内。 30倍电流损耗对减少电池更换...
品类:DC-DC CONVERTER 价格: 现货: 0 样品申请 批量询价 交期查询 期货订购 A7530AE3VR-331 品牌:AIT 品类:DC-DC CONVERTER 价格:￥3.3268 现货: 3,000 购买 样品申请 批量询价 交期查询 A7530AE3R-331 品牌:AIT 品类:DC-DC CONVERTER 价格: 现货: 0 样品申请 批量询价 交期查询 期货订购 ...
The 矽源特ChipSourceTek-MT3504 is PFM step-up DC-DC converter. The MT3504 can start up by supply voltage as low as 0.8V, and capable of delivering maximum 200mA output current at 3.3V output with 1.8V input voltage. The 矽源特ChipSourceTek-MT3504 is available in a Pb-free, space...
ZVS 降壓穩壓器 12V、24V 或 48V 直接至負載點穩壓器 PI31xx 隔離DC-DC ZVS 轉換器 適用於 24V、28V 和 48V 輸入的 75W 以下電源轉換器 PRM 變壓前穩壓器和變壓後穩壓器 DCM 支持所有標準工業輸入電壓的高功率轉換器 PRM 和 VTM 分比式电源解決方案...
1 Phillips, Darryl.New Cycle Proportionality Factor Eases PFM Converter Design. Electronic Design, 1997;45(23) 2 MAXIM公司产品数据手册,2000 3林波,李兴根.混合式步进电机SPWM微步驱动技术的研究. 微电机,2000(3) 4 张占松.高频开关稳压电源. 广东:广东科技出版社,1992...
HDC3022QDEJRQ1 &湿敏传感器 & PROTOTYPE ¥36.39 SUTW62415 ~直流转换器 ~ DC DC CONVERTER +/-15V 6W ¥381.14 NXFT15XH103FEAB050 ~热敏电阻 ~ THERMISTOR NTC 10KOHM ¥4.7 AOZ5311NQI_2 &电源管理 & 20V/55A DRMOS SMOD EN CONTROL TH ¥11.02...
NCP1403 Boost Converter - PFM, DC-DC 15 V, 50 mA The NCP1403 is a monolithic PFM step−up DC−DC converter. This device is designed to boost a single Lithium or two cell AA/AAA battery voltage up to 15 V (with internal MOSFET) output for handheld applications. A pullup Chip ...
矽源特ChipSourceTek-XYT3504是PFM升压DC-DC转换器 矽源特ChipSourceTek-XYT3504 Description/概述：The 矽源特ChipSourceTek-XYT3504 is PFM step-up DC-DC converter. The XYT3504 can start up by supply voltage as low as 0.8V, and capable of delivering maximum 200mA output current at 3.3V output...
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