L9396 datasheet(31/109 Pages) STMICROELECTRONICS

31 / 109 page

DS12539 Rev 6

31/109

L9396

Power supply

108

Linear configuration

VCORE

Output voltage

Nominal 0.8 V to

5 V Excluding

external voltage

divider accuracy

0.78

5.125

IVCORE_HI

Output load current

high

RSH_HI_CURR

0.07

0.75

IVCORE_LO

Output load current

low

RSH_LO_CURR

0.07

0.25

CVCORE

Output capacitor

µF

RCVCORE

Output capacitor

ESR

-0.01

0.1

Ω

CVCORE_EMI

Drain output

stability capacitor

-0.1

µF

CFET

External FET gate

charge

VCOREFDBK

Feedback voltage

Excluding external

voltage divider

accuracy

0.8 -2.5%

0.8 + 2.5%

dVSR_ac

Line Transient

Response

All line, load;



dt = 10 µs

-5%

dVLR_ac

Load Transient

Response

All line, load;



dt = 10 µs

-5%

GCORE_pd

Gate internal pull

down

Not tested,

guaranteed by

design.

100

kΩ

GCORE_Vclamp

Gate voltage clamp -

ICOREL_HI Ilim

High Current

limitation

-0.8

1.6

ICOREL_HI_OC

High Overcurrent

threshold

-0.8

1.6

ICOREL_LO Ilim

Low Current

limitation

0.26

0.48

ICOREL_LO_OC

Low Overcurrent

threshold

0.26

0.48

tflt_oc_vcore

Shut down filter

time for short to

ground

Filter time starts to

count from when

current in power

MOS is more than

ICOREL Ilimx

100

115

µs

Table 12. VCORE regulator electrical characteristics (continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

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