High-Efficiency, Quad Output, Main Power- Supply Controllers for Notebook Computers

General Description The MAX1777/MAX1977/MAX1999 dual step-down, switch-mode power-supply (SMPS) controllers generate logic-supply voltages in battery-powered systems. The MAX1777/MAX1977/MAX1999 include two pulse-width modulation (PWM) controllers, adjustable from 2V to 5.5V or fixed at 5V and 3.

文件：497.69 Kbytes 頁數(shù)：32 Pages

MAXIM

美信

7V to 24V Input Voltage Range, 3.3V and 5V Output Voltages

General Description The MAX1777/MAX1977/MAX1999 dual step-down, switch-mode power-supply (SMPS) controllers generate logic-supply voltages in battery-powered systems. The MAX1777/MAX1977/MAX1999 include two pulse-width modulation (PWM) controllers, adjustable from 2V to 5.5V or fixed at 5V and 3.

文件：180.15 Kbytes 頁數(shù)：8 Pages

MAXIM

美信

高效率、四路輸出、主電源控制器，用于筆記本電腦

MAX1777/MAX1977/MAX1999雙路、升壓型開關(guān)模式電源(SMPS)控制器能夠在電池供電系統(tǒng)中產(chǎn)生邏輯供電電壓。MAX1777/MAX1977/MAX1999包括2路脈寬調(diào)制(PWM)控制器，提供2V至5.5V可調(diào)輸出或固定的5V和3.3V輸出電壓。這些器件都具有2路線性穩(wěn)壓器，提供始終有效的5V和3.3V輸出，輸出電流高達(dá)100mA，而且，線性穩(wěn)壓器可自動地自舉到SMPS輸出。MAX1777/MAX1977/MAX1999包括內(nèi)部上電順序控制、電源就緒(PGOOD)狀態(tài)指示、數(shù)字軟啟動及內(nèi)部軟關(guān)斷輸出放電功能，可避免關(guān)斷時產(chǎn)生負(fù)電壓。\nMaxim專有的Quick-PWM?恒定 ? 無需檢流電阻(MAX1999) \n? 利用檢流電阻提供精確的電流檢測(MAX1777/MAX1977) \n? 1.5%輸出電壓精度 \n? 3.3V和5V、100mA自舉線性穩(wěn)壓器 \n? 內(nèi)部軟啟動和軟關(guān)斷輸出放電 \n? Quick-PWM提供100ns負(fù)載瞬態(tài)響應(yīng) \n? 3.3V和5V固定輸出或可調(diào)輸出(Dual Mode?) \n? 4.5V至24V輸入電壓范圍 \n? 超聲脈沖跳頻模式(最小25kHz) \n? 電源就緒狀態(tài)(PGOOD)指示 \n? 過壓保護使能/禁止;

ADI

亞德諾

Dual, SiGe, High-Linearity, 1200MHz to 1700MHz Downconversion Mixer with LO Buffer/Switch

General Description The MAX19993 dual-channel downconverter is designed to provide 6.4dB of conversion gain, +27dBm input IP3, 15.4dBm 1dB input compression point, and a noise figure of 9.8dB for 1200MHz to 1700MHz diversity receiver applications. Features ? 1200MHz to 1700MHz RF Frequency Ra

文件：4.14206 Mbytes 頁數(shù)：23 Pages

MAXIM

美信

Dual, SiGe, High-Linearity, 1200MHz to 1700MHz Downconversion Mixer with LO Buffer/Switch

General Description The MAX19993 dual-channel downconverter is designed to provide 6.4dB of conversion gain, +27dBm input IP3, 15.4dBm 1dB input compression point, and a noise figure of 9.8dB for 1200MHz to 1700MHz diversity receiver applications. Features ? 1200MHz to 1700MHz RF Frequency Ra

文件：4.14206 Mbytes 頁數(shù)：23 Pages

MAXIM

美信

Dual, SiGe, High-Linearity, 1200MHz to 1700MHz Downconversion Mixer with LO Buffer/Switch

General Description The MAX19993 dual-channel downconverter is designed to provide 6.4dB of conversion gain, +27dBm input IP3, 15.4dBm 1dB input compression point, and a noise figure of 9.8dB for 1200MHz to 1700MHz diversity receiver applications. Features ? 1200MHz to 1700MHz RF Frequency Ra

文件：4.14206 Mbytes 頁數(shù)：23 Pages

MAXIM

美信

Dual, SiGe, High-Linearity, 1200MHz to 2000MHz Downconversion Mixer with LO Buffer/Switch

General Description The MAX19994A dual-channel downconverter is designed to provide 8.4dB of conversion gain, +25dBm input IP3, +14dBm 1dB input compression point, and a noise figure of 9.8dB for 1200MHz to 2000MHz diversity receiver applications. Features ? 1200MHz to 2000MHz RF Frequency Rang

文件：4.77983 Mbytes 頁數(shù)：28 Pages

MAXIM

美信

Dual, SiGe, High-Linearity, 1200MHz to 2000MHz Downconversion Mixer with LO Buffer/Switch

General Description The MAX19994A dual-channel downconverter is designed to provide 8.4dB of conversion gain, +25dBm input IP3, +14dBm 1dB input compression point, and a noise figure of 9.8dB for 1200MHz to 2000MHz diversity receiver applications. Features ? 1200MHz to 2000MHz RF Frequency Rang

文件：4.77983 Mbytes 頁數(shù)：28 Pages

MAXIM

美信

Dual, SiGe, High-Linearity, 1200MHz to 2000MHz Downconversion Mixer with LO Buffer/Switch

General Description The MAX19994A dual-channel downconverter is designed to provide 8.4dB of conversion gain, +25dBm input IP3, +14dBm 1dB input compression point, and a noise figure of 9.8dB for 1200MHz to 2000MHz diversity receiver applications. Features ? 1200MHz to 2000MHz RF Frequency Rang

文件：4.77983 Mbytes 頁數(shù)：28 Pages

MAXIM

美信

Dual, SiGe, High-Linearity, 1700MHz to 2200MHz Downconversion Mixer with LO Buffer/Switch

General Description The MAX19995 dual-channel downconverter provides 9dB of conversion gain, +24.8dBm input IP3, +13.3dBm 1dB input compression point, and a noise figure as low as 9dB for 1700MHz to 2200MHz diversity receiver applications. Features ? 1700MHz to 2200MHz RF Frequency Range ? 140

文件：510.76 Kbytes 頁數(shù)：29 Pages

MAXIM

美信