DAC-Controlled Boost/Inverter LCD Bias Supply with Internal Switch

General Description The MAX686 DAC-controlled boost/inverter IC converts a positive input voltage to a positive or negative LCD bias voltage up to +27.5V or -27.5V. The device features an internal N-channel MOSFET switch, programmable current limiting, and an internal 6-bit digital-to-analog conv

文件：198.93 Kbytes 页数：16 Pages

Maxim

美信

fully assembled and tested surface-mount circuit board Evaluation Kit

文件：98.11 Kbytes 页数：8 Pages

Maxim

美信

DAC控制、boost反相型LCD偏置电源，内置开关

MAX686 DAC控制的升压/反相IC将正输入电压转换为高达+27.5V或-27.5V的正或负LCD偏置电压。该器件具有一个内部N沟道MOSFET开关、可编程电流限制功能和一个用于对输出电压进行数字调节的内部6位数模转换器(DAC)。它采用小型16引脚QSOP封装（与8引脚SO封装尺寸相同）。\n\n MAX686采用限流、脉冲频率调制(PFM)控制方案，在宽负载范围内提供高效率。高开关频率（高达300kHz）支持其使用小型外部元件。\n\n LCDON输出支持在移除显示逻辑电压时自动禁用LCD偏置电压，从而保护显示器。MAX686的IC输入电压范围为+2.7V至+5.5 • 内部500mA、28V N沟道开关（无需外部FET）\n\n• 输出电压可调至+27.5V或-27.5V\n\n• 通过6位DAC控制输出电压\n\n• 效率高达90%\n\n• 小型16引脚QSOP封装（与8引脚SO封装尺寸相同）\n\n• 电源正常指示器\n\n• 静态电流：65µA\n\n• 关断电流：1.5µA\n\n• 开关频率高达300kHz;

ADI

亚德诺

Nanopower uP Supervisory Circuits with Manual Reset and Watchdog Timer

General Description The MAX6854/MAX6855/MAX6856/MAX6858/MAX6860–MAX6869 ultra-low-current (170nA, typ) microprocessor (µP) supervisory circuits combine voltage monitoring, watchdog timer, and manual reset input functions in a 5- pin SOT23 package. These devices assert a reset signal whenever the

文件：791.59 Kbytes 页数：17 Pages

Maxim

美信

Nanopower μP Supervisory Circuits with Manual Reset and Watchdog Timer

General Description The MAX6854/MAX6855/MAX6856/MAX6858/MAX6860–MAX6869 ultra-low-current (170nA, typ) microprocessor (µP) supervisory circuits combine voltage monitoring, watchdog timer, and manual reset input functions in a 5- pin SOT23 package. These devices assert a reset signal whenever the

文件：495.59 Kbytes 页数：17 Pages

Maxim

美信

Nanopower μP Supervisory Circuits with Manual Reset and Watchdog Timer

General Description The MAX6854/MAX6855/MAX6856/MAX6858/MAX6860–MAX6869 ultra-low-current (170nA, typ) microprocessor (µP) supervisory circuits combine voltage monitoring, watchdog timer, and manual reset input functions in a 5- pin SOT23 package. These devices assert a reset signal whenever the

文件：495.59 Kbytes 页数：17 Pages

Maxim

美信

Nanopower μP Supervisory Circuits with Manual Reset and Watchdog Timer

General Description The MAX6854/MAX6855/MAX6856/MAX6858/MAX6860–MAX6869 ultra-low-current (170nA, typ) microprocessor (µP) supervisory circuits combine voltage monitoring, watchdog timer, and manual reset input functions in a 5- pin SOT23 package. These devices assert a reset signal whenever the

文件：495.59 Kbytes 页数：17 Pages

Maxim

美信

Nanopower μP Supervisory Circuits with Manual Reset and Watchdog Timer

General Description The MAX6854/MAX6855/MAX6856/MAX6858/MAX6860–MAX6869 ultra-low-current (170nA, typ) microprocessor (µP) supervisory circuits combine voltage monitoring, watchdog timer, and manual reset input functions in a 5- pin SOT23 package. These devices assert a reset signal whenever the

文件：495.59 Kbytes 页数：17 Pages

Maxim

美信

Nanopower μP Supervisory Circuits with Manual Reset and Watchdog Timer

General Description The MAX6854/MAX6855/MAX6856/MAX6858/MAX6860–MAX6869 ultra-low-current (170nA, typ) microprocessor (µP) supervisory circuits combine voltage monitoring, watchdog timer, and manual reset input functions in a 5- pin SOT23 package. These devices assert a reset signal whenever the

文件：495.59 Kbytes 页数：17 Pages

Maxim

美信

Nanopower μP Supervisory Circuits with Manual Reset and Watchdog Timer

General Description The MAX6854/MAX6855/MAX6856/MAX6858/MAX6860–MAX6869 ultra-low-current (170nA, typ) microprocessor (µP) supervisory circuits combine voltage monitoring, watchdog timer, and manual reset input functions in a 5- pin SOT23 package. These devices assert a reset signal whenever the

文件：495.59 Kbytes 页数：17 Pages

Maxim

美信