High-Efficiency, Step-Up DC-DC Converters for 1V Inputs

General Description The MAX1642/MAX1643 are high-efficiency, low-voltage, step-up DC-DC converters intended for devices powered by a single alkaline cell. They feature low quiescent supply currents and are supplied in the ultra-small μMAX package, which is only 1.1mm high. The guaranteed start-up

文件：130.35 Kbytes 頁數(shù)：12 Pages

MAXIM

美信

High-Efficiency, Step-Up DC-DC Converters for 1V Inputs

General Description The MAX1642/MAX1643 are high-efficiency, low-voltage, step-up DC-DC converters intended for devices powered by a single alkaline cell. They feature low quiescent supply currents and are supplied in the ultra-small μMAX package, which is only 1.1mm high. The guaranteed start-up

文件：130.35 Kbytes 頁數(shù)：12 Pages

MAXIM

美信

High-Efficiency, Step-Up DC-DC Converters for 1V Inputs

General Description The MAX1642/MAX1643 are high-efficiency, low-voltage, step-up DC-DC converters intended for devices powered by a single alkaline cell. They feature low quiescent supply currents and are supplied in the ultra-small μMAX package, which is only 1.1mm high. The guaranteed start-up

文件：130.35 Kbytes 頁數(shù)：12 Pages

MAXIM

美信

High-Efficiency, Step-Up DC-DC Converters for 1V Inputs

General Description The MAX1642/MAX1643 are high-efficiency, low-voltage, step-up DC-DC converters intended for devices powered by a single alkaline cell. They feature low quiescent supply currents and are supplied in the ultra-small μMAX package, which is only 1.1mm high. The guaranteed start-up

文件：130.35 Kbytes 頁數(shù)：12 Pages

MAXIM

美信

High-Efficiency, Step-Up DC-DC Converters for 1V Inputs

General Description The MAX1642/MAX1643 are high-efficiency, low-voltage, step-up DC-DC converters intended for devices powered by a single alkaline cell. They feature low quiescent supply currents and are supplied in the ultra-small μMAX package, which is only 1.1mm high. The guaranteed start-up

文件：130.35 Kbytes 頁數(shù)：12 Pages

MAXIM

美信

High-Efficiency, Step-Up DC-DC Converters for 1V Inputs

General Description The MAX1642/MAX1643 are high-efficiency, low-voltage, step-up DC-DC converters intended for devices powered by a single alkaline cell. They feature low quiescent supply currents and are supplied in the ultra-small μMAX package, which is only 1.1mm high. The guaranteed start-up

文件：130.35 Kbytes 頁數(shù)：12 Pages

MAXIM

美信

High-Efficiency, Step-Up DC-DC Converters for 1V Inputs

General Description The MAX1642/MAX1643 are high-efficiency, low-voltage, step-up DC-DC converters intended for devices powered by a single alkaline cell. They feature low quiescent supply currents and are supplied in the ultra-small μMAX package, which is only 1.1mm high. The guaranteed start-up

文件：130.35 Kbytes 頁數(shù)：12 Pages

MAXIM

美信

具有可選應用配置的集成降壓型開關穩(wěn)壓器

MAX16425/MAX16425A是完全集成式高效開關穩(wěn)壓器，適合采用4.5V至16V輸入電壓工作、最大負載高達25A的應用。這些單芯片穩(wěn)壓器為需要快速瞬態(tài)響應的精密輸出提供緊湊高效的供電解決方案。\n\n 兩款器件具有不同的可編程選項（詳情參見表3a和3b），支持多種配置。可編程特性包括：內部/外部基準電壓、輸出電壓設定點、開關頻率、過流保護級別(OCP)和軟啟動時序?？赏ㄟ^引腳搭接啟用斷續(xù)電流工作模式(DCM)，以提高輕負載效率。\n\n MAX16425/MAX16425A具有多個保護和測量功能。正負逐周期OCP、短路保護和過溫保護(OTP)可確保設計穩(wěn)定可靠。輸入 ? 高效率解決方案\n? 峰值效率高達 97%\n? 滿載效率高達 87%\n? 1A 且啟用 DCM 時低載效率高達 96%\n\n\n\n? 靈活的設計支持及早定義 PCB\n? 與 VT2491 (15A) 以及\n? 相關可擴展產品實現(xiàn)尺寸兼容?可編程開關頻率高達 1MHz\n? 可編程軟啟動和 STAT 延遲時序\n? 具有外部輸入選項的可編程基準電壓\n? 可編程正負過流保護 (OCP) 限制;

ADI

亞德諾

具有可選應用配置的25A、4.5V至16V集成降壓型開關穩(wěn)壓器

MAX16425/MAX16425A是全集成、高效降壓型DC-DC開關穩(wěn)壓器。這些器件采用4.5V至16V輸入電源供電，支持0.6V至3.3V輸出調節(jié)范圍，提供高達25A負載電流。這些單芯片穩(wěn)壓器為需要快速瞬態(tài)響應的精密輸出提供緊湊高效的供電解決方案。\n\n 兩款器件具有不同的可編程選項（詳情參見表3a和3b），支持多種配置?？删幊烫匦园ǎ簝炔?外部基準電壓、輸出電壓設定點、開關頻率、過流保護級別(OCP)和軟啟動時序。可通過引腳搭接啟用斷續(xù)電流工作模式(DCM)，以提高輕負載效率。\n\n MAX16425/MAX16425A具有多個保護和測量功能。正負逐周期OCP、 ? 具有外部偏置電源的高效解決方案\n? 滿載效率高達87%\n? 在啟用DCM的情況下，1A時的輕負載效率高達96%\n? 寬工作范圍\n? 輸出電壓范圍：0.6V至3.3V\n? 25A（最大值）負載電流\n? 靈活的設計，支持提前及早定義PCB\n? 可編程開關頻率高達1MHz\n? 可編程軟啟動和STAT延遲時序\n? 具有外部輸入選項的可編程基準電壓\n? 可編程正負OCP限值;

ADI

亞德諾