Datasheet > MAX6442KANSZD7+T

MAX6442KANSZD7+T

更新时间： 2023-03-15 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
14页	250K
描述
Power Supply Support Circuit, Fixed, 2 Channel, BICMOS, PDSO8, SOT-23, 8 PIN

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MAX6442KANSZD7+T 数据手册

Low-Power, Single-/Dual-Level Battery Monitors

with Hysteresis and Integrated µP Reset

ELECTRICAL CHARACTERISTICS (continued)

BATT

= 1.2V to 5.5V, V = 1.2V to 5.5V, T = -40°C to +85°C, unless otherwise specified. Typical values are at T = +25°C.) (Note1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

≥ 1.53V, I

= 100µA, RESET

SOURCE

0.8 x V

deasserted

RESET Output High

(Push-Pull)

≥ 2.55V, I

= 500µA, RESET

SOURCE

0.8 x V

deasserted

≥ 1.0V, I

≥ 1.2V, I

= 50µA, RESET asserted

= 100µA, RESET asserted

0.3

SINK

RESET Output Low

≥ 2.12V, I

= 1.2mA, RESET

SINK

0.3

asserted

RESET Output Leakage Current

(Open Drain)

RESET deasserted

500

Note 1: Production testing done at T = +25°C; limits over temperature guaranteed by design only.

Note 2: The device is powered up by the highest voltage between V

and V

BATT

Note 3: MR input ignores falling input pulses, which occur within the MR debounce period (t ) after a valid MR reset assertion.

DEB

This prevents invalid reset assertion due to switch bounce.

Typical Operating Characteristics

= 1.2V to 5.5V, V

= 1.2V to 5.5V, unless otherwise specified. Typical values are at T = +25°C.)

BATT

SUPPLY CURRENT vs. TEMPERATURE

= 3.3V, V = 3.6V

NORMALIZED LBO TIMEOUT PERIOD

vs. TEMPERATURE

NORMALIZED RESET TIMEOUT PERIOD

vs. TEMPERATURE

BATT

1.10

1.05

1.00

0.95

0.90

1.015

1.010

1.005

1.000

0.995

0.990

TOTAL

BATT

0.985

0.980

-40

-20

-40

-20

-40

-20

TEMPERATURE (°C)

_______________________________________________________________________________________

1 2 3 456 7 8...14

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