
CMOS的PFM升压DC-DC转换器CXDC65166-30PB稳定的参考电路和微调技术低静态电流7uA单电池或双电池供电设备的电源CXDC65166-33PB CXDC65166-36PB CXDC65166-50PB
| 产品型号: | CXDC65166-30PB |
| 产品类型: | DC-DC转换器 |
| 产品系列: | DC升压转换 |
| 产品状态: | 量产 |
| 浏览次数: | 49 次 |
产品简介
CXDC65166-30pbcxdc65166-33pbcxdc65166-36pbcxdc65166-50PB系列是基于CMOS的PFM升压DC-DC转换器。该转换器可以启动电源电压低至0.8V,并能提供最大输出电流在3.3V输出1.8V的输入电压。从电源汲取的静态电流低至7uA。所有这些特性使CXDC65166-30PB CXDC65166-33PB CXDC65166-36PB CXDC65166-50PB系列适用于由一个电池向四个电池供电的便携式设备。
为了降低开关稳压器的噪声,在电路设计和制造中充分考虑了CXDC65166-30PB CXDC65166-33PB CXDC65166-36PB CXDC65166-50PB,大大降低了器件对其它电路的干扰。
技术参数
| 输入电压范围 (VIN) | V ~ 2.5~5.5V |
|---|---|
| 输出电压 (VOUT) | 3.0VV |
| 输出电流 (IOUT) | 0.2AA |
| 工作频率 | 350KHzHz |
| 转换效率 | 95%% |
| 封装类型 | SOT-23-5 |
| Topology | BOOST DC升压转换 |
| Control method | PFM |
| Switching frequency | 350KHz |
| Protection | Auto PWM/PFM |
| Features | 静态工作电流IQ(typ):7uA |
| Operating temp | -40℃~125℃ |
| Reference design | 最大电压应力:12V |
| Precision | ±2.5% |
产品详细介绍
目录
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产品概述 返回TOP
CXDC65166-30PB CXDC65166-33PB CXDC65166-36PB CXDC65166-50PB integrates stable reference circuits and trimming technology, so it can afford high precision and low temperature-drift coefficient of the output voltage.CXDC65166-30PB CXDC65166-33PB CXDC65166-36PB CXDC65166-50PB is available in SOT-89-3、SOT-23-3 and SOT-23-5 packages which is PB free. And in 5-pin packages, such as SOT-23-5, the device can be switch on or off easily by CE pin, to minimize the standby supply current
The CXDC65166-30PB CXDC65166-33PB CXDC65166-36PB CXDC65166-50PB series are CMOS-based PFM step-up DC-DC Converter. The converter 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.Quiescent current drawn from power source is as low as 7uA. All of these features make CXDC65166-30PB CXDC65166-33PB CXDC65166-36PB CXDC65166-50PB series be suitable for the portable devices, which are supplied by a single battery to four-cell batteries.
To reduce the noise caused by the switch regulator, CXDC65166-30PB CXDC65166-33PB CXDC65166-36PB CXDC65166-50PB is well considerated in circuit design and manufacture, so that the interferer to other circuits by the device is reduced greatly.
产品特点 返回TOP
u Deliver 200mA at 3.3V Output voltage with 1.8V input Voltage
u Low start-up voltage (when the output current is 1mA)-------0.8V
u The converter output voltage can be adjusted from 2.5V~6.0V(In 0.1V step).
u Output voltage accuracy -----------±2%
u Low temperature-drift coefficient of the output voltage---------------- 100ppm/℃
u Only three external components are necessary: An inductor, a Schottky diode and an output filter capacitor
u High power conversion efficiency---85%
u Low quiescent current drawn from power source----------<7uA
应用范围 返回TOP
u Power source for PDA、DSC、MP3 Player、electronic toy and wireless mouse
u Power source for a single or dual-cell battery-powered equipments
u Power source for LED
技术规格书(产品PDF) 返回TOP
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产品封装图 返回TOP


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DC-DC |
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型号 |
封装 |
拓扑架构 |
输出最大电流 |
输出电压 |
静态电流 |
最大开关频率 |
最大电压应力 |
工作模式 |
|
SOP8 |
BUCK |
2.1A |
5.1V |
220uA |
150KHz |
40V |
PWM |
|
|
SOT-23-3 |
BOOST |
0.2A |
3.0V |
7uA |
350KHz |
12V |
PFM |
|
|
SOT-23-3 |
BOOST |
0.2A |
3.6V |
7uA |
350KHz |
12V |
PFM |
|
|
SOT-23-3 |
BOOST |
0.2A |
3.3V |
7uA |
350KHz |
12V |
PFM |
|
|
SOT-23-3 |
BOOST |
0.2A |
5.0V |
7uA |
350KHz |
12V |
PFM |
|
|
SOT-89 |
BOOST |
0.2A |
2.7V |
7uA |
350KHz |
12V |
PFM |
|
|
SOT-89 |
BOOST |
0.2A |
2.8V |
7uA |
350KHz |
12V |
PFM |
|
|
SOT-89 |
BOOST |
0.2A |
3.0V |
7uA |
350KHz |
12V |
PFM |
|
|
SOT-89 |
BOOST |
0.2A |
3.3V |
7uA |
350KHz |
12V |
PFM |
|
|
SOT-89 |
BOOST |
0.2A |
3.6V |
7uA |
350KHz |
12V |
PFM |
|
|
SOT-89 |
BOOST |
0.2A |
4.0V |
7uA |
350KHz |
12V |
PFM |
|
|
SOT-89 |
BOOST |
0.2A |
5.0V |
7uA |
350KHz |
12V |
PFM |
|
|
SOT-23-5 |
BOOST |
0.2A |
3.0V |
7uA |
350KHz |
12V |
PFM |
|
|
SOT-23-5 |
BOOST |
0.2A |
3.3V |
7uA |
350KHz |
12V |
PFM |
|
|
SOT-23-5 |
BOOST |
0.2A |
3.6V |
7uA |
350KHz |
12V |
PFM |
|
|
SOT-23-5 |
BOOST |
0.2A |
5.0V |
7uA |
350KHz |
12V |
PFM |
|

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