Datasheet > MAX6869UK36D5L

MAX6869UK36D5L

更新时间： 2023-08-15 00:00:00

品牌	Logo	应用领域
美信 - MAXIM		信息通信管理光电二极管
页数	文件大小	规格书
17页	489K
描述
Power Supply Management Circuit, Fixed, 1 Channel, BICMOS, PDSO5, MO-178AA, SOT-23, 5 PIN

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MAX6869UK36D5L 数据手册

Nanopower µP Supervisory Circuits with

Manual Reset and Watchdog Timer

MAX6867/MAX6868/MAX6869 Pin Description

NAME

FUNCTION

MAX6867/

MAX6869

MAX6868

Watchdog Input. If WDI remains high or low for longer than the watchdog timeout

period, the internal watchdog timer expires, and a reset is triggered for the reset

timeout period. The internal watchdog timer clears whenever reset is asserted,

the manual reset is asserted, or WDI sees a rising or falling edge.

WDI

GND

Ground

Active-Low Manual Reset Input. Drive MR low to initiate a reset. The reset output

remains asserted while MR is held low and for the reset timeout period after MR

transitions high. Leave MR unconnected or connect to V

if unused. MR is

internally pulled up to V

through 10kΩ.

Active-Low Open-Drain or Push-Pull Reset Output. RESET transitions from high to

low when V drops below the selected reset threshold, MR is pulled low, or the

watchdog timer expires. RESET remains low for the reset timeout period after

—

RESET

exceeds the device reset threshold, MR deasserts, or after the watchdog

timer expires. Push-pull RESET outputs are referenced to V . Open-drain

RESET outputs require an external pullup resistor.

Supply Voltage. Input for V

a 0.1µF capacitor to GND.

reset monitor. For noisy systems, bypass V

with

Active-High Push-Pull Reset Output. RESET transitions from low to high when

drops below the selected reset threshold, MR is pulled low, or the watchdog

—

RESET

timer expires. RESET remains high for the reset timeout period after V

exceeds the device reset threshold, MR deasserts, or after the watchdog timer

expires. RESET is referenced to V

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