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 页数：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 页数：8 Pages

Maxim

美信

高效率、四路输出、主电源控制器，用于笔记本电脑

MAX1777/MAX1977/MAX1999双路、升压型开关模式电源(SMPS)控制器能够在电池供电系统中产生逻辑供电电压。MAX1777/MAX1977/MAX1999包括2路脉宽调制(PWM)控制器，提供2V至5.5V可调输出或固定的5V和3.3V输出电压。这些器件都具有2路线性稳压器，提供始终有效的5V和3.3V输出，输出电流高达100mA，而且，线性稳压器可自动地自举到SMPS输出。MAX1777/MAX1977/MAX1999包括内部上电顺序控制、电源就绪(PGOOD)状态指示、数字软启动及内部软关断输出放电功能，可避免关断时产生负电压。\nMaxim专有的Quick-PWM™恒定 • 无需检流电阻(MAX1999) \n• 利用检流电阻提供精确的电流检测(MAX1777/MAX1977) \n• 1.5%输出电压精度 \n• 3.3V和5V、100mA自举线性稳压器 \n• 内部软启动和软关断输出放电 \n• Quick-PWM提供100ns负载瞬态响应 \n• 3.3V和5V固定输出或可调输出(Dual Mode™) \n• 4.5V至24V输入电压范围 \n• 超声脉冲跳频模式(最小25kHz) \n• 电源就绪状态(PGOOD)指示 \n• 过压保护使能/禁止;

ADI

亚德诺

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 页数：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 页数：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 页数：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 页数：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 页数：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 页数：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 页数：29 Pages

Maxim

美信