High-Voltage, Low-Power Linear Regulators for Notebook Computers

General Description The MAX8718/MAX8719 are micropower, 8-pin TDFN linear regulators that supply always-on, keep-alive power to CMOS RAM, real-time clocks (RTC), and microcontrollers in systems with high-voltage batteries. The circuits consist of a 100mA linear regulator and a power-good comparat

文件：185.25 Kbytes 頁數(shù)：10 Pages

MAXIM

美信

高壓、低功耗線性穩(wěn)壓器，用于筆記本電腦

MAX8718/MAX8719是微功耗、8引腳TDFN封裝的線性穩(wěn)壓器，提供始終導(dǎo)通、不間斷供電電源，用于高電池電壓系統(tǒng)中的CMOS RAM、實(shí)時(shí)時(shí)鐘(RTC)和微控制器供電。該電路由100mA線性穩(wěn)壓器和具有固定輸出延時(shí)的電源就緒比較器(PGOOD)組成。關(guān)鍵特性包括：寬輸入電壓范圍、低壓差和低靜態(tài)電源電流。\n 在保持低至25μA (最大值)的空載靜態(tài)電流的條件下，MAX8718/MAX8719還具有良好的輸入電源和負(fù)載瞬態(tài)響應(yīng)，并具有出色的AC電源抑制能力。即使從電池切換到AC適配器輸入電源的過程中存在快速的電源電壓變化，這些器件仍能提供穩(wěn)定的5V或3.3V輸出(MAX8718)，或可調(diào) \n? 4V至28V輸入范圍 \n? 18μA靜態(tài)電源電流 \n? <3μA關(guān)斷電源電流 \n? 100mA輸出電流 \n? 3.3V或5V由引腳選擇的輸出(MAX8718) \n? 可調(diào)節(jié)的1.24V至28V輸出(MAX8719) \n? ±2%輸出精度 \n? 熱過載保護(hù) \n? 帶有延時(shí)的電源就緒輸出 \n? 熱增強(qiáng)型8引腳TDFN封裝;

ADI

亞德諾

High-Voltage, Low-Power Linear Regulators for Notebook Computers

General Description The MAX8718/MAX8719 are micropower, 8-pin TDFN linear regulators that supply always-on, keep-alive power to CMOS RAM, real-time clocks (RTC), and microcontrollers in systems with high-voltage batteries. The circuits consist of a 100mA linear regulator and a power-good comparat

文件：185.25 Kbytes 頁數(shù)：10 Pages

MAXIM

美信

High Efficiency 4A, 21V, 500kHz Synchronous Step-down Converter

文件：510.12 Kbytes 頁數(shù)：17 Pages

MPS

美國(guó)芯源

High Efficiency 4A, 21V, 500kHz Synchronous Step-down Converter

文件：510.12 Kbytes 頁數(shù)：17 Pages

MPS

美國(guó)芯源

300 mA Low Iq, Wide Input Voltage Low Dropout Regulator

文件：238.8 Kbytes 頁數(shù)：7 Pages

ONSEMI

安森美半導(dǎo)體