升降压DC/DC控制器CXSB6600系列是内置高速低通态电阻驱动器的通用高频升降压DC/DC转换控制器
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PMU/tongsheng/56.html target=_blank class=infotextkey>PMU/tongsheng/2019/11/25/1160.html target=_blank class=infotextkey>CXSB6600系列是内置高速低通态电阻驱动器的通用高频升降压DC/DC转换控制器。通过外置2个晶体管,线圈,二极管和电容器共4种元件，可构建大电流,高性能的升降压DC/DC转换器。在器件内，可在2.4V～6.0V(±2.5％)范围，以0.1V的间隔设定输出电压。由于开关频率高达180kHz，300kHz可使用小型外置元件。在小负载时，PWM/PFM切换控制型PMU/tongsheng/57.html target=_blank class=infotextkey>PMU/tongsheng/2019/11/25/1161.html target=_blank class=infotextkey>CXSB6601系列的工作从PWM工作模式切换为PFM工作模式。因此，能够在小负载至大输出电流整个负载范围内，达到高效工作。在内部设定了10ms的软启动时间，以此防止通电时的输入冲击电流和输出过冲电压。待机时(CE端"L")，通过使整个电路停止工作，将电流消耗控制在0.5μA以下。The PMU/tongsheng/56.html target=_blank class=infotextkey>PMU/tongsheng/2019/11/25/1160.html target=_blank class=infotextkey>CXSB6600/PMU/tongsheng/57.html target=_blank class=infotextkey>PMU/tongsheng/2019/11/25/1161.html target=_blank class=infotextkey>CXSB6601 series are step-up/down DC/DC converter controller ICs with fast, low ON resistance drivers built-in. A versatile, large output current, step-up/down DC/DC converter can be realized using only 4 type of basic external components two transistors, one inductor, two diodes and capacitors. Output voltage is selectable in 0.1V increments within a 2.4V ~ 6.0V (±2.5% accuracy) range and switching frequency is set at 180kHz or 300kHz. The PMU/tongsheng/57.html target=_blank class=infotextkey>PMU/tongsheng/2019/11/25/1161.html target=_blank class=infotextkey>CXSB6601 series switches from PWM to PFM control during light loads and the series offers high efficiencies from light loads through to large output currents. Soft-start time is internally set to 10ms which offers protection against inrush currents when the power is turned on and also against voltage overshoot. During shutdown (CE pin = L), consumption current can be reduced to as little as 0.5μA or less.
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●Mobile phones
●PDAs
●Palmtop computers
●Portable audio equipment
●Various power supplies
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升降压型DC/DC转换器 |
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产品名称 |
封装 |
控制 |
VIN (MIN) |
VIN (MAX) |
VOUT (MIN) |
VOUT (MAX) |
IOUT IIN |
FB/VOUT电 压精度(%) |
振荡频 率(kHz) |
消耗电 流(μA) |
温度范 围(℃) |
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(V) |
(V) |
(V) |
(V) |
(mA) |
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PMU/tongsheng/56.html target=_blank class=infotextkey>PMU/tongsheng/2019/11/25/1160.html target=_blank class=infotextkey>CXSB6600 |
SOT25 |
PWM |
2 |
10 |
2.4 |
6 |
250 |
±2.5 |
180~300 |
15 |
-40～＋85 |
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PMU/tongsheng/57.html target=_blank class=infotextkey>PMU/tongsheng/2019/11/25/1161.html target=_blank class=infotextkey>CXSB6601 |
SOT25 |
PWM/PFM |
2 |
10 |
2.4 |
6 |
250 |
±2.5 |
180~300 |
15 |
-40～＋85 |
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PMU/tongsheng/58.html target=_blank class=infotextkey>PMU/tongsheng/2019/11/25/1162.html target=_blank class=infotextkey>CXSB6602 |
MSOP8A |
PWM/PFM |
2 |
10 |
2 |
6 |
800 |
±2.0 |
300 |
55 |
-40～＋85 |
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PMU/tongsheng/59.html target=_blank class=infotextkey>PMU/tongsheng/2019/11/25/1163.html target=_blank class=infotextkey>CXSB6603 |
WLP20-01 |
PWM |
2.5 |
5.5 |
0.8 |
5 |
±2.0 |
6000 |
-40～＋85 |
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