CXSU63187是一个高效，固定开关频率，PWM控制的DC/DC升压控制器。它为单芯锂电池升压到5V输出提供一个简便易用的电源解决方案。其内置补偿电路及保护电路，以减少外围组件高达1.2MHz的开关频率可使电感和输出电容小型化，从而节约PCB面积以适应电池供电的应用系统。
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产品概述 返回TOP
CXSU63187是一个高效，固定开关频率，PWM控制的DC/DC升压控制器。它为单芯锂电池升压到5V输出提供一个简便易用的电源解决方案。其内置补偿电路及保护电路，以减少外围组件。CXSU63187高达1.2MHz的开关频率可使电感和输出电容小型化，从而节约PCB面积以适应电池供电的应用系统。CXSU63187内置了过温保护、输出短路保护及soft start电路。CXSU63187采用符合RoHS规范及Pb-Free的小尺寸SOT23-5封装。The CXSU63187 is a compact, high efficiency, fixed frequency pulse-width-modulation (PWM) controller. It provides an easy-to-use power supply solution for the application from one Li-ion battery to 5V output. All compensation and protection circuitry are integrated to minimize external components. The 1.2MHz high switching frequency allows smaller inductor and output capacitor, making the CXSU63187 ideally suited for small battery-powered applications and saves PCB space. The CXSU63187 contains thermal shutdown function and output short protection circuit. Built-in soft-start circuitry prevents excessive inrush current during start-up. The CXSU63187is available in a Pb-free, thin-SOT23-5 package.
产品特点 返回TOP
• 2.7V～5.5V输入电压范围
• 效率高达90％
• 1.2MHz的固定开关频率
• 外部组件小型化
• 输出短路保护
• 关断电流小于1μA
• 单芯锂电池输入，输出5V
• SOT23-5封装
• 符合RoHS规范，Pb-Free及Halogen-Free VDD Range: 2.7V to 5.5V High Efficiency up to 90% 1.2MHz Fixed Switching Frequency Tiny External Components Output Short Protection <1μA Shutdown Current 3.3V to +5.0V Distributed Power Supply Single Cell Li-ion Battery to 5V Converter Available in SOT23-5 Package RoHS Compliant and 100% Lead (Pb)-Free Halogen-Free
应用范围 返回TOP
• 单芯锂电池输入，5V输出系统
One Li-Ion Battery to 5V Output
Handheld Devices
• 掌上型设备
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产品封装图 返回TOP
电路原理图 返回TOP
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升压变换器/控制器 |
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Part Number |
remark |
Vin (V) |
Vout (max) (V) |
FB (V) |
IQ (mA) |
Isw (A) |
Freq. (KHz) |
Peak Efficency (%) |
Package |
|
2.5A, 500KHz Synchronous Boost Converter |
2.7~5.0 |
5.5 |
1.25 |
2.5 |
2.5 |
500 |
95 |
SOT23-5 |
|
|
6A Peak Current Synchronous Step-up Converter with Output Disconnect |
1.8~5.0 |
5.5 |
1.2 |
0.35 |
6 |
500 |
95 |
TQFN-10 |
|
|
1.6A, 500KHz Synchronous Rectified Step-up Converter |
2.6 ~ 5.5 |
6 |
1.25 |
0.39 |
1.6 |
500 |
90 |
TSOT23-5 |
|
|
500kHz Synchronous Step-Up Converter / 600mA Low Noise LDO |
2.2~5.5 |
6 |
1.25 |
0.57 |
1.6 |
500 |
95 |
TDFN-10 |
|
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750kHz/1.2MHz Step-up DC/DC Converter |
2.5 ~ 5.5 |
12 |
1.24 |
0.5 |
1.9 |
750/1200 |
90 |
MSOP-8 |
|
|
1MHz Boost Regulator with 18V Integrated FET Switch in Tiny SOT-23 |
2.6 ~ 5.5 |
18 |
1.25 |
0.4 |
2 |
1000 |
90 |
SOT23-5 |
|
|
1.2MHz Step-Up PWM Controller |
2.6 ~ 5.5 |
- |
0.6 |
0.5 |
2 |
1200 |
90 |
SOT23 |
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◀ 上一篇:升压转换器内置18V功率开关1MHz开关频率CXSU63186内置18V/0.19Ω功率管2.0A的电流极限高电压输出17V
下一篇▶:固定的1.20MHZ开关频率内部集成软启动CXSU63188高频高效的DC/DC升压转换器内部集成了2.8A 0.1R的功率MOSFET
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