CXSB6607系列是PWM控制,PWM/PFM自动切换控制,通用型,双通道(升压/反转)DC/DC转换控制器。通过内部0.9V(±2.0%)标准参考电压，使用外接器件，输出1电压(升压控制器)可以在1.5V～30.0V的范围内自由设定
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产品概述 返回TOP
CXSB6607系列是PWM控制,PWM/PFM自动切换控制,通用型,双通道(升压/反转)DC/DC转换控制器。通过内部0.9V(±2.0%)标准参考电压，使用外接器件，输出1电压(升压控制器)可以在1.5V～30.0V的范围内自由设定；输出2电压(反转控制器)可以设定输出负电压。开关频率高达180kHz，可使用小尺寸外围器件。也有300kHz和500kHz开关频率的客户定制产品可供选择。CXSB6607系列的控制模式可以通过外部信号在PWM控制和PWM/PFM自动切换控制之间选择。当选择自动切换控制，在轻负载的时候可以从PWM自动切换到PFM，因而在整个负载范围里面都能达到高效率。在固定频率的PWM模式，可以很容易地降低输出噪声。CXSB6607系列提供了适合应用的控制模式的选择。软启动时间在内部设定为10ms(输出1)，能够在打开电源的时候防止突入电流和过冲电压。The CXSB6607 series are PWM control, PWM/PFM switching, 2 channel (step-up and inverting) DC/DC controller ICs. With 0.9V of standard voltage supply internal, and using externally connected components, the output 1 voltage (step-up DC/DC controller) can be set freely within a range of 1.5V ~ 30V. Since output 2 (inverting DC/DC controller) has a built-in 0.9V reference voltage (accuracy ±2%), a negative voltage can be set with the external components. With a 180kHz frequency, the size of the external components can be reduced. Oscillation frequencies of 300kHz are also available as custom designed products. The control of the CXSB6607 series can be switched between PWM control and PWM/PFM automatic switching control using external signals. Control switches from PWM to PFM during light loads when automatic switching is selected and the series is highly efficient from light loads through to large output currents. Noise is easily reduced with PWM control since the frequency is fixed. The series gives freedom of control selection so that control suited to the application can be selected. Soft-start time is internally set to 10ms (output 1) which offers protection against rush currents and voltage overshoot when the power is switched on.
产品特点 返回TOP
应用范围 返回TOP
●Power supplies for LCD
●PDAs
●Palm top computers
●Portable audio systems
●Various multi-function power supplies
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产品封装图 返回TOP
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多通道型DC/DC转换器 |
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产品名称 |
特点/类型 |
封装 |
控制 |
VIN MIN |
VIN MAX |
VOUT MIN |
VOUT MAX |
IOUT IIN |
FB/VOUT 电压精度 |
振荡频率 |
限制 电流 |
消耗 电流 |
温度范围 |
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(V) |
(V) |
(V) |
(V) |
mA |
% |
kHz |
A |
μA |
℃ |
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升压+升压 |
MSOP10 USP10 |
PWM/PFM |
0.9 |
10 |
1.5 |
30 |
500 |
±2.0 |
100,180, 300,500 |
70 |
-40～＋85 |
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升压+降压 |
MSOP10 USP10 |
PWM/PFM |
2 |
10 |
1.5 |
30 |
500 |
±2.0 |
100,300,500 |
70 |
-40～＋85 |
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降压+降压 |
MSOP10 USP10 |
PWM/PFM |
2 |
10 |
0.9 |
6 |
1000 |
±2.0 |
100,300,500 |
60 |
-40～＋85 |
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升压+反转 |
MSOP10 USP10 |
PWM/PFM |
2 |
10 |
1.5 |
30 |
500 |
±2.0 |
100,300,500 |
90 |
-40～＋85 |
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降压+反转 |
MSOP10 USP10 |
PWM/PFM |
2 |
10 |
0.9 |
6 |
1000 |
±2.0 |
100,300,500 |
80 |
-40～＋85 |
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2ch降压+电 压检测器 |
QFN20 |
PWM |
2.5 |
5.5 |
1.2 |
4 |
800 |
±2.0 |
1000 |
1 |
950 |
-40～＋85 |
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升压+电压泵x2 |
QFN20 |
PWM |
2.5 |
5.5 |
5.5 |
19 |
500 |
±1.5 |
ADJ |
1.1 |
2 |
-40～＋85 |
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2ch升压+反转 |
QFN24 |
PWM |
2.7 |
5.5 |
4 |
18 |
500 |
±1.5 |
1200 |
2 |
170 |
-40～＋85 |
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降压+降压 |
USP12B01 |
PWM,PWM/PFM |
2.7 |
6 |
0.8 |
4 |
600 |
±2.0 |
1200 |
22 |
-40～＋85 |
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降压+LDO |
USP12B01 |
PWM,PWM/PFM |
2.7 |
6 |
0.8 |
4 |
600 |
±2.0 |
3000 |
22 |
-40～＋85 |
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降压+Dual LDO |
USP12B01 |
PWM,PWM/PFM |
2.7 |
6 |
2.3 |
2.3 |
600 |
±2.0 |
3000 |
-40～＋85 |
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降压+LDO+VD |
USP12B01 |
PWM/PFM |
2.7 |
6 |
0.8 |
4 |
600 |
±2.0 |
1200；3000 |
-40～＋85 |
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◀ 上一篇:双通道 降压DC/DC控制器CXSB6606系列的控制模式可以通过外部信号在PWM控制和PWM/PFM自动切换控制之间选择。当选择自动切换控制，在轻负载的时候可以从PWM自动切换到PFM，因而在整个负
下一篇▶:双通道 降压/反转DC/DC控制器CXSB6608系列是PWM控制,PWM/PFM自动切换控制,通用型,双通道(降压/反转)DC/DC转换控制器
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