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MAX38640

Tiny 1.8V to 5.5V Input, 330nA IQ, 700mA nanoPower Buck Converter

GeneralDescription TheMAX38640–MAX38643areananoPowerfamilyof ultra-low330nAquiescentcurrentbuck(step-down)DCDC convertersthatoperatefrom1.8Vto5.5Vinputvoltage andsupportloadcurrentsofupto175mA,350mA, 700mAwithpeakefficienciesof96.Whileinshutdown, thereis

MAX38640

微小尺寸、1.8V–5.5V輸入、330nA IQ、700mA nanoPower降壓型轉換器; ? 延長電池壽命\n? 330nA超低靜態(tài)電流\n? 5nA關斷電流\n? 96%峰值效率，以及10μA時的效率高于88%\n\n\n? 使用簡單 — 符合常見操作\n? 輸入電壓范圍：1.8V至5.5V\n? 單電阻可調范圍：VOUT0.7V至3.3V（A選項）\n? 可編程范圍：VOUT：0.5V至5.0V(B-選項)\n? 單電阻可調節(jié)VOUT：0.7V至3.3V\n? 輸出電壓精度：±1.75%\n? 負載電流：高達175mA/350mA/700mA\n\n\n? 在多種用例條件下保護系統(tǒng)\n? 關斷模式下具有反向電流保護\n? 可選有源放電特性\n\n\n? 減小尺寸、提高可靠性\n? -40°C至+85°C溫度范圍\n? 2mm x 2mm 6-pin μDFN封裝\n? 1.42mm x 0.89mm、0.4mm焊距、6引腳(2 x 3) WLP封裝;

MAX3864xA/B為nanoPower家族超低330nA靜態(tài)電流buck (降壓型) DC-DC轉換器，工作在1.8V至5.5V輸入電壓范圍，支持高達175mA、350mA、700mA負載電流，峰值效率為96%。關斷時的關斷電流僅為5nA。器件擁有超低靜態(tài)電流、較小方案總尺寸，在整個負載范圍之內都保持高效率。MAX3864xA/B可理想用于長電池壽命至關重要的電池供電應用。 \n\n MAX3864xA/B家族采用獨特的控制方法，允許在較寬輸出電流范圍內保持超低靜態(tài)電流和高效率。MAX38642不帶有片上有源放電電阻，在關斷狀態(tài)下，輸出可以由其他源或充電的輸出電容對其進行調節(jié)，或將其保持為高電平。 \n\n MAX3864xA/B器件采用節(jié)省空間的1.42mm x 0.89mm、6引腳晶圓級封裝(WLP) (2 x 3焊球，0.4mm焊距)，以及2mm x 2mm、6引腳μDFN封裝。所有器件工作在-40°C至+85°C溫度范圍。\n\n 另請參閱：Nanopower的技術? ?\n\n ??Design Solution: Make Your Small Asset Tracker Last Longer ?\n\n

MAX38640

Tiny 1.8V to 5.5V Input, 330nA IQ, 700mA nanoPower Buck Converter

MAX38640A

Tiny 1.8V–5.5V Input, 330nA IQ, 700mA nanoPower Buck Converter; ? 延長電池壽命 \n? 330nA超低靜態(tài)電流 \n? 5nA關斷電流 \n? 96%峰值效率，以及10μA時的效率高于88% \n? 使用簡單 — 符合常見操作 \n? 輸入電壓范圍：1.8V至5.5V \n? 可編程VOUT：0.5V至5V \n? 單電阻可調節(jié)VOUT：0.7V至3.3V \n? 輸出電壓精度：±1.75% \n? 負載電流：高達175mA/350mA/700mA \n? 在多種用例條件下保護系統(tǒng) \n? 關斷模式下具有反向電流保護 \n? 可選有源放電特性 \n? 減小尺寸、提高可靠性 \n? -40°C至+85°C溫度范圍 \n? 2mm x 2mm 6-pin μDFN封裝 \n? 1.42mm x 0.89mm、0.4mm焊距、6引腳(2 x 3) WLP封裝;

The MAX3864xA/B are nanoPower family of ultra-low 330nA quiescent current buck (step-down) DC-DC converters operating from 1.8V to 5.5V input voltage and supporting load currents of up to 175mA, 350mA, 700mA with peak efficiencies of 96%. While in shutdown, there is only 5nA of shutdown current. The devices offer ultra-low quiescent current, small total solution size, and high efficiency throughout the load range. The MAX3864xA/B are ideal for battery applications where long battery life is a must. \n The MAX3864xA/B family utilizes a unique control scheme that allows ultra-low quiescent current and high efficiency over a wide output current range. MAX38642 excludes active discharge resistor in shutdown which allows the output to be regulated or held high by another source or by the charged output capacitor. \n The MAX3864xA/B devices are offered in a space-saving 1.42mm x 0.89mm 6-pin wafer-level package (WLP) (2 x 3 bumps, 0.4mm pitch), as well as a 2mm x 2mm, 6-pin μDFN package. All parts are specified from -40°C to +85°C.

MAX38640AELT+

Tiny 1.8V to 5.5V Input, 330nA IQ, 700mA nanoPower Buck Converter

GeneralDescription TheMAX38640–MAX38643areananoPowerfamilyof ultra-low330nAquiescentcurrentbuck(step-down)DCDC convertersthatoperatefrom1.8Vto5.5Vinputvoltage andsupportloadcurrentsofupto175mA,350mA, 700mAwithpeakefficienciesof96.Whileinshutdown, thereis

MAX38640AENT+

Tiny 1.8V to 5.5V Input, 330nA IQ, 700mA nanoPower Buck Converter

GeneralDescription TheMAX38640–MAX38643areananoPowerfamilyof ultra-low330nAquiescentcurrentbuck(step-down)DCDC convertersthatoperatefrom1.8Vto5.5Vinputvoltage andsupportloadcurrentsofupto175mA,350mA, 700mAwithpeakefficienciesof96.Whileinshutdown, thereis

MAX38640BELT+

Tiny 1.8V to 5.5V Input, 330nA IQ, 700mA nanoPower Buck Converter

GeneralDescription TheMAX38640–MAX38643areananoPowerfamilyof ultra-low330nAquiescentcurrentbuck(step-down)DCDC convertersthatoperatefrom1.8Vto5.5Vinputvoltage andsupportloadcurrentsofupto175mA,350mA, 700mAwithpeakefficienciesof96.Whileinshutdown, thereis

MAX38640BELT18+T

Tiny 1.8V to 5.5V Input, 330nA IQ, 700mA nanoPower Buck Converter

GeneralDescription TheMAX38640–MAX38643areananoPowerfamilyof ultra-low330nAquiescentcurrentbuck(step-down)DCDC convertersthatoperatefrom1.8Vto5.5Vinputvoltage andsupportloadcurrentsofupto175mA,350mA, 700mAwithpeakefficienciesof96.Whileinshutdown, thereis

MAX38640BELT21+T

Tiny 1.8V to 5.5V Input, 330nA IQ, 700mA nanoPower Buck Converter

GeneralDescription TheMAX38640–MAX38643areananoPowerfamilyof ultra-low330nAquiescentcurrentbuck(step-down)DCDC convertersthatoperatefrom1.8Vto5.5Vinputvoltage andsupportloadcurrentsofupto175mA,350mA, 700mAwithpeakefficienciesof96.Whileinshutdown, thereis

MAX38640BENT+

Tiny 1.8V to 5.5V Input, 330nA IQ, 700mA nanoPower Buck Converter

GeneralDescription TheMAX38640–MAX38643areananoPowerfamilyof ultra-low330nAquiescentcurrentbuck(step-down)DCDC convertersthatoperatefrom1.8Vto5.5Vinputvoltage andsupportloadcurrentsofupto175mA,350mA, 700mAwithpeakefficienciesof96.Whileinshutdown, thereis