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提供MAX1687ESA芯片解密与反向分析

芯德斯有现成的解密方案,对各种高难度IC解密、疑难芯片解密也有自己的独家技术优势。近期以来,芯德斯专业的芯片解密技术攻关团队又在MAX1687ESA芯片领域取得突破,经过多次反复实验和实际解密过程的验证,我们目前可以为客户提供MAX1687ESA芯片高效可靠的解密方案。
The MAX1687/MAX1688 step-up DC-DC converters deliver up to 2W from a single Li-Ion or three NiMH cells. The devices are ideal for burst-load applications such as GSM
cell phones and wireless LANs, where the RF power amplifiers require short, high current bursts. The MAX1687/MAX1688 reduce battery surge current by slowly charging a reservoir capacitor, which supplies the nec-essary peak energy for the load current burst. As a result,the peak battery current is limited, thus maximizing battery
life and minimizing battery voltage sag and transient dips.
Features
·Low 450mA Peak Battery Current Provides 2A, 5V GSM Burst
·90% Efficiency
·Internal Power MOSFETs and Current-Sense Resistor
·Output Disconnects from Input During Shutdown
·3μA Shutdown Current
·Precise Voltage-Controlled Current Limit(MAX1687)
·Adaptive Constant-Recharge-Time Capability(MAX1688)
·1.25V to 6V Adjustable Output
·2.7V to 6V Input Range (1 Li-Ion cell or 3 NiMH cells)
·Switching Frequency Can Exceed 1MHz
·Standby Mode Disables DC-DC During Transmission Burst
·Low Inrush Current at Start-Up
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