High Efficiency 2A continuous, 3A peak, 1MHz Synchronous Step Down Regulator CXSD6272 high efficiency, synchronous step down DC-DC convertor optimized for battery powered portable applications.
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)</span>
5.产品封装 6.电路原理图</strong> 7.相关产品
The CXSD6272 is a high efficiency, synchronous step down DC-DC convertor optimized for battery powered portable applications. It supports up to 2A continuous 3A peak output current. With a wide input voltage range of 3V 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 CXSD6272 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 CXSD6272 is available in SOT-23-5L and SOT-23-6L package. Standard product is Pb-free and Halogen -free.
Input voltage range : 3~5.5V
Continue output current : 2A continuous 3A peak
Switching frequency : 1MHz (Typ.)
Efficiency : Up to 96%
Feedback reference voltage : 0.6V
100% duty cycle for low dropout operation
Adjustable Output Voltage
Cellphones
PADs
STBs
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| 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 |

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