Datasheet > MAX6867UK23D5S

MAX6867UK23D5S

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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MAX6867UK23D5S 数据手册

Nanopower µP Supervisory Circuits with

Manual Reset and Watchdog Timer

ELECTRICAL CHARACTERISTICS (continued)

= 1.2V to 5.5V, T = -40°C to +85°C, unless otherwise specified. Typical values are at V

= 2.5V, T = +25°C.) (Note 1)

CC A

PARAMETER

SYMBOL

CONDITIONS

≥ 1.1V, I = 10µA,

SOURCE

MIN

TYP

MAX

UNITS

0.8 x V

RESET asserted, T ≥ 0°C

≥ 1.2V, I

= 10µA,

SOURCE

RESET asserted

≥ 1.53V, I

RESET asserted

= 200µA,

= 500µA,

SOURCE

RESET Output Voltage

≥ 2.12V, I

SOURCE

RESET asserted

≥ 1.71V, I

= 500µA,

SINK

0.3

RESET deasserted

≥ 2.38V, I = 1.2mA,

SINK

0.3

RESET deasserted

CT Input Current

CT = GND or V

0.8 x V

CT Input Voltage

0.2 x V

MANUAL RESET INPUT

MR Input Voltage

0.7 x V

0.3 x V

MR Minimum Pulse Width

MR Glitch Rejection

MR to Reset Delay

µs

kΩ

MPW

200

250

MRD

MR Pullup Resistance

WATCHDOG TIMER (MAX6864–MAX6869)

0.7 x V

WDI Input Voltage

0.3 x V

WDI Input Current

WDI Pulse Width

WDI = GND or V

(Note 3)

150

1.5

WDI

3.3

7.75

487

Watchdog Timeout Period

209

Note 1: Devices are tested at T = +25°C. Specifications for T = -40°C to +85°C are guaranteed by design.

Note 2: For the MAX6864–MAX6869, the watchdog period is 1s with t

Note 3: Guaranteed by design.

and t

< 50ns.

RISE

FALL

_______________________________________________________________________________________

1 234 5 6 7...17

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