L9680 datasheet(239/286 Pages) STMICROELECTRONICS

239 / 286 page

DS11615 Rev 7

239/286

L9680

Electrical characteristics

285

17.6

Reset

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

-40 °C  Ta  +95 °C, VINGOOD0  VIN  35 V, VCCx(min)  VCCx  VCCx(max),

VCC = 3.3 V or 5 V

Table 32. Reset DC specifications

Symbol

Parameter

Comment

Min

Typ Max Unit

VOH_RESET

RESET output voltage

ILOAD = -1.0 mA

VCC-0.4

VCC

VOL_RESET

ILOAD = 2.0 mA

0.4

RPD_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

RPD_VCORE

VCOREMON pull down

resistance

100

135

kΩ

VIH_ MCUFLT

MCUFAULTB high level input

voltage

VIL_ MCUFLT

MCUFAULTB Low level Input

Voltage

0.8

IPD_MCUFLT

MCUFAULTB Pull Down

Current

MCUFAULTB= VCC

µA

Table 33. Reset AC specifications

Symbol

Parameter

Comment

Min Typ Max Unit

TRISE_RESET

Rise time

50 pF load, 20%-80%

1.00

µs

TFALL_RESET

Fall time

1.00

µs

THOLD_RESET

Reset hold time

0.45 0.5 0.55 ms

TFLT_VCOREOV

VCOREMON over voltage

deglitch filter time

µs

TFLT_VCOREUV

VCOREMON under voltage

deglitch filter time

µs

TFLT_MCUFAULTB

MCUFAULTB Deglitch filter

time

µs

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