L9663 datasheet(87/104 Pages) STMICROELECTRONICS

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L9663

Electrical characteristics

103

Electrical characteristics

Table 10. Operating conditions

Symbol

Parameter / Condition(1)

1. Unless otherwise specified.

Min

Typ

Max

Unit

VVB

VB input voltage

4.8

–

VVASSUP

VASSUP input voltage (in case VAS pre-regulator is

used)

4.8

–

VVDD

VDD input voltage

–

Junction temperature

-40

–

175

°C

Table 11. VINTx internal supply

Symbol

Parameter / Condition

Min

Typ

Max

Unit

VDDwu_H

VDD voltage level for power up

2.3

2.5

2.7

VDDwu_L

VDD voltage level for power down

1.5

1.8

2.3

VINTDuv

VINTD under voltage threshold

2.7

–

2.9

VINTDov

VINTD over voltage threshold

3.47

–

3.66

VINTAuv

VINTA under voltage threshold

2.97

–

3.13

VINTAov

VINTA over voltage threshold

3.47

–

3.66

DGNDOPEN

DGND ground loss threshold

GND1 = GND2 = 0

100

200

300

TPOR

Filter time for power on reset output (vintx ov/uv,

dgnd open)

5–

μs

TWAKE

Start-up time in no fault conditions (from VDD=3V

to internal power on reset set to ‘1’) (Design info)

–

250

μs

IlimVINTD

VINTD current limitation

–

150

CVINTD

VINTD filter capacitance (Test info)

100

140

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