The CXSD6271 is a high efficiency, synchronous step down DC-DC convertor optimized for battery powered portable applications. It supports up to 2A continuous 2.5A peak output current. With a wide input voltage range of 2.7V to 5.5V, the device supports applications powered by single Li-ion battery with extended voltage range, two and three alkaline cell, 3.3V and 5V input voltage range.
The CXSD6271 operates at 1MHz fixed switching frequency with Pulse-Width-Modulation (PWM) and enters Pulse-Skipping-Modulation (PSM) operation at light load current to maintain high efficiency over the entire load current range. 100% duty cycle capability provides low dropout operation, extending battery life in portable systems. The switching frequency is internally set at 1MHz, allowing the use of tiny surface mount inductor and input/output capacitors.
The CXSD6271 is available in SOT-23-5L package. Standard product is Pb-free and Halogen -free.
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目录
1.产品概述 2.产品特点 3.应用范围 4.技术规格书下载（PDF文档）
一.产品概述
The CXSD6271 is a high efficiency, synchronous step down DC-DC convertor optimized for battery powered portable applications. It supports up to 2A continuous 2.5A peak output current. With a wide input voltage range of 2.7V to 5.5V, the device supports applications powered by single Li-ion battery with extended voltage range, two and three alkaline cell, 3.3V and 5V input voltage range.
The CXSD6271 operates at 1MHz fixed switching frequency with Pulse-Width-Modulation (PWM) and enters Pulse-Skipping-Modulation (PSM) operation at light load current to maintain high efficiency over the entire load current range. 100% duty cycle capability provides low dropout operation, extending battery life in portable systems. The switching frequency is internally set at 1MHz, allowing the use of tiny surface mount inductor and input/output capacitors.
The CXSD6271 is available in SOT-23-5L package. Standard product is Pb-free and Halogen -free.
二.产品特点
Input voltage range : 2.7~5.5V
Continue output current : 2A continuous 2.5A peak
Switching frequency : 1MHz (Typ.)
Efficiency : Up to 96%
Feedback reference voltage : 0.6V
100% duty cycle for low dropout operation
Adjustable Output Voltage
三.应用范围
Cellphones
PADs
STBs
四.技术规格书（产品PDF)
需要详细的PDF规格书请扫一扫微信联系我们，还可以获得免费样品以及技术支持！
五.产品封装图
六.电路原理图
七.相关芯片选择指南 更多同类产品......
| 降压型开关稳压器 | |||||||||||
| Product | VIN | VOUT | IOUT | IQ | Freq. | VFB | Efficiency | PD(@TA = 25¡ãC) | Package | ||
| Min | Max | Min | Max | Max | Typ | Typ | Typ | Max | Max | ||
| (V) | (V) | (mA) | (uA) | (KHz) | (V) | % | (W) | ||||
| CXSD6271 | 2.7 | 5.5 | 1 | 4 | 2000 | 80 | 1000 | 0.6 | 96% | 0.5 | SOT-23-5L |
| CXSD6272 | 3 | 5.5 | 1 | 4 | 2000 | 80 | 1000 | 0.6 | 96 | 0.5 | SOT-23-5L |
| CXSD6270 | 2.7 | 5.5 | 1 | 4 | 1200 | 65 | 1500 | 0.6 | 92 | 0.5 | SOT-23-5L |
| CXSD6269 | 2.7 | 5.5 | 1 | 4 | 600 | 22 | 1500 | 0.6 | 95 | 0.5 | SOT-23-5L |
