Regulated, Adjustable -2x Inverting Charge Pump

General Description The MAX868 inverting charge pump provides a low-cost and compact means of generating a regulated negative voltage up to -2 x VIN from a positive input voltage between 1.8V and 5.5V. It uses a pulse-frequencymodulation (PFM) control scheme to generate the regulated negative out

文件：152.66 Kbytes 頁數(shù)：12 Pages

MAXIM

美信

穩(wěn)壓型、可調(diào)節(jié)、-2倍壓反相電荷泵

MAX868反相電荷泵提供了一種低成本、緊湊的解決方案，用于從1.8V至5.5V的正輸入電壓產(chǎn)生高達(dá)-2 x VIN的調(diào)節(jié)負(fù)電壓。它使用脈沖頻率調(diào)制(PFM)控制方案來產(chǎn)生調(diào)節(jié)后的負(fù)輸出電壓。PFM操作的實(shí)現(xiàn)方式是根據(jù)需要控制內(nèi)部450kHz振蕩器的開關(guān)，以維持輸出電壓調(diào)節(jié)。這種專門設(shè)計(jì)的按需開關(guān)方案為MAX868提供了出色的輕載效率，而且不會(huì)降低其滿載工作效率（高達(dá)30mA），可以借助較小的電容來利用振蕩器的高開關(guān)頻率。\n\n MAX868無需電感；僅需四個(gè)電容即可構(gòu)建一個(gè)完整的DC-DC轉(zhuǎn)換器。只需添加兩個(gè)電阻即可實(shí)現(xiàn)輸出電壓調(diào)節(jié)。MAX868采用10引腳μMAX?封裝，高度僅 ? 穩(wěn)壓負(fù)輸出電壓（高達(dá)-2 x VIN）\n\n? 超小型10引腳μMAX封裝\n\n? 按需開關(guān)頻率高達(dá)450kHz\n\n? 靜態(tài)電源電流：30μA\n\n? 僅需四個(gè)小型外部電容\n\n? 輸入電壓范圍：1.8V至5.5V\n\n? 邏輯控制關(guān)斷電流：0.1μA\n\n? 高達(dá)30mA輸出電流\n\n? 可調(diào)輸出電壓;

ADI

亞德諾

Smallest, All-Internal MOSFET, 7-Channel DSC PMIC in Tiny 5mm x 5mm Thin QFN

General Description The MAX8680 highly efficient complete power-supply solution is designed for digital still cameras (DSCs) and digital video cameras (DVCs). The device integrates seven on-chip power MOSFET DC-DC converters with up to 95 efficiency to power all critical power supplies in DSC sys

文件：156.87 Kbytes 頁數(shù)：2 Pages

MAXIM

美信

Smallest, All-Internal MOSFET, 7-Channel DSC PMIC in Tiny 5mm x 5mm Thin QFN

General Description The MAX8680 highly efficient complete power-supply solution is designed for digital still cameras (DSCs) and digital video cameras (DVCs). The device integrates seven on-chip power MOSFET DC-DC converters with up to 95 efficiency to power all critical power supplies in DSC sys

文件：156.87 Kbytes 頁數(shù)：2 Pages

MAXIM

美信

Single/Multiphase, Step-Down, DC-DC Converter Delivers Up to 25A Per Phase

General Description The MAX8686 current-mode, synchronous PWM stepdown regulator with integrated MOSFETs operates from a 4.5V to 20V input supply and generates an adjustable output voltage from 0.7V to 5.5V while delivering up to 25A per phase. The MAX8686 employs a peak current-mode architectur

文件：416.42 Kbytes 頁數(shù)：23 Pages

MAXIM

美信

Single/Multiphase, Step-Down, DC-DC Converter Delivers Up to 25A Per Phase

General Description The MAX8686 current-mode, synchronous PWM stepdown regulator with integrated MOSFETs operates from a 4.5V to 20V input supply and generates an adjustable output voltage from 0.7V to 5.5V while delivering up to 25A per phase. The MAX8686 employs a peak current-mode architectur

文件：416.42 Kbytes 頁數(shù)：23 Pages

MAXIM

美信

Digital Power-Supply Controller/Monitor with PMBus Interface

General Description The MAX8688 fully integrated digital power-supply controller and monitor IC works with any existing POL (point-of-load) power supply to provide complete digital programmability. By interfacing to the reference input, feedback node, and output enable, the MAX8688 takes control

文件：407.88 Kbytes 頁數(shù)：38 Pages

MAXIM

美信

Digital Power-Supply Controller/Monitor with PMBus Interface

General Description The MAX8688 fully integrated digital power-supply controller and monitor IC works with any existing POL (point-of-load) power supply to provide complete digital programmability. By interfacing to the reference input, feedback node, and output enable, the MAX8688 takes control

文件：407.88 Kbytes 頁數(shù)：38 Pages

MAXIM

美信

Digital Power-Supply Controller/Monitor with PMBus Interface

General Description The MAX8688 fully integrated digital power-supply controller and monitor IC works with any existing POL (point-of-load) power supply to provide complete digital programmability. By interfacing to the reference input, feedback node, and output enable, the MAX8688 takes control

文件：407.88 Kbytes 頁數(shù)：38 Pages

MAXIM

美信

Digital Power-Supply Controller/Monitor with PMBus Interface

General Description The MAX8688 fully integrated digital power-supply controller and monitor IC works with any existing POL (point-of-load) power supply to provide complete digital programmability. By interfacing to the reference input, feedback node, and output enable, the MAX8688 takes control

文件：407.88 Kbytes 頁數(shù)：38 Pages

MAXIM

美信