Rainbow-electronics MAX16055 Uživatelský manuál stáhnout pdf (Strana 3)

MAX16055

Ultra-Small, Hex Voltage,

Microprocessor Supervisor

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Note 1: 100% production tested at T

= +25°C. Limits over temperature guaranteed by design.

Note 2: The devices are powered from IN1.

Note 3: Monitored IN1 voltage is also the device power supply.

Note 4: RESET output is guaranteed to be in the correct state for IN1 or IN2 falling down to 1V.

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT

TOL = GND 0.491 0.5 0.506

Adjustable Threshold V

IN_

decreasing

TOL = V

0.465 0.472 0.479

Reset Threshold Hysteresis V

HYST

IN_

increasing relative to V

IN_

decreasing 0.3 %V

Reset Threshold Temperature

Coefficient

60 ppm/°C

IN_ to Reset Delay t

IN_

falling at 10mV/µs from (V

+ 50mV)

to (V

- 50mV)

20 µs

Reset Timeout Period t

140 200 280 ms

IN1

= 5V, I

SINK

= 2mA 0.3

IN1

= 2.5V, I

SINK

= 1.2mA 0.4

RESET Output Low (Note 4) V

IN1

= 1.0V, I

SINK

= 50µA 0.3

RESET Output High V

IN1

> 2.55V, I

SOURCE

= 6µA (min), RESET

not asserted

0.8 x

IN1

RESET Output High Source

Current

IN1

> 2.55V, RESET not asserted 70 µA

TOL Input Current TOL = IN1 100 nA

MR, TOL Input Voltage Low V

0.3 x

IN1

MR, TOL Input Voltage High V

0.7 x

IN1

MR Minimum Pulse Width 1µs

MR Glitch Rejection 100 ns

MR-to-RESET Delay 200 ns

MR Pullup Resistance 10 20 33 kΩ

ELECTRICAL CHARACTERISTICS (continued)

IN1

= 1V to 5.5V, T

= -40°C to +125°C, unless otherwise noted. Typical values are at V

IN1

= 3.3V, T

= +25°C.) (Note 1)

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