L9680 datasheet(233/277 Pages) STMICROELECTRONICS

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L9680

Electrical characteristics

276

16.6

Reset

All electrical characteristics are valid for the following conditions unless otherwise noted:

-40 °C

 Ta  +95 °C, VIN

GOOD0  VIN  35 V, VCCx(min)  VCCx  VCCx(max),

VCC = 3.3 V or 5 V

Table 31. Reset DC specifications

Symbol

Parameter

Comment

Min

Typ

Max Unit

1VOH_RESET

RESET output voltage

ILOAD = -1. mA

VCC-0.4

VCC

2VOL_RESET

ILOAD = 2.0 mA

0.4

3RPD_RESET RESET pull down resistance

100

135

kΩ

VCOREUV

VCOREMON under voltage

threshold

1.08

1.11

1.14

VCOREOV

VCOREMON over voltage

threshold

1.26

1.29

1.32

6RPD_VCORE

VCOREMON pull down

resistance

100

135

kΩ

7VIH_ MCUFLT

MCUFAULTB high level input

voltage

-2

8VIL_ MCUFLT

MCUFAULTB Low level Input

Voltage

0.8

9IPD_MCUFLT

MCUFAULTB Pull Down

Current

MCUFAULTB= VCC

μA

Table 32. Reset AC specifications

Symbol

Parameter

Comment

Min

Typ Max Unit

1TRISE_RESET

Rise time

50 pF load, 20%-80%

1.00

μs

2TFALL_RESET

Fall time

1.00

μs

3THOLD_RESET

Reset hold time

0.45

0.5

0.55

4TFLT_VCOREOV

VCOREMON over voltage

deglitch filter time

-27

μs

5TFLT_VCOREUV

VCOREMON under voltage

deglitch filter time

-27

μs

6TFLT_MCUFAULTB

MCUFAULTB Deglitch filter

time

-9

μs

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