L5959 datasheet(11/19 Pages) STMICROELECTRONICS

11 / 19 page

L5959

Electrical specification

11/19

ISTG

HSD1 short to ground current

VHSD1=0V

240

300

400

ISTB

HSD1 short to VBAT current

VHSD1=VBAT

I

Q(VBAT)

HSD1 bias current change

IHSD1 = 0 to 100 mA;

Measure change in VBAT

current

0.15

TSEN

HSD1 thermal shutdown

IHSD1 = 500 µA; Increase Ta

until HSD1 disabled

150

190

°C

tdon

Turn-on delay;

IHSD1= 10mA

110

µs

tdoff

Turn-off delay,

IHSD1= 100 mA

110

µs

Rise time

10% to 90%,

IHSD1 = 10mA

µs

HIGH SIDE DRIVER2

VdropSW

Drop voltage HDS2

Idc = 300mA

0.2

0.6

Idc =450mA, t=5S

0.3

1.2

ISTG

HSD2 short to ground current

VHSD2=0V

0.55

0.75

ISTB

HSD2 short to VBAT current

VHSD2=VBAT

3.5

I

Q(VBAT)

HSD2 bias current change

IHSD2 = 0 to 300 mA;

Measure change in VBAT

current

0.15

TSEN

HSD2 thermal shutdown

IHSD2 = 500 µA; Increase Ta

until HSD2 disabled

150

190

°C

tdon

Turn-on delay;

IHSD2= 10mA

110

µs

tdoff

Turn-off delay,

IHSD2= 300 mA

110

µs

Rise time

10% to 90%,

IHSD2 = 10mA

µs

RST (open collector output)

VTH

VSTBY reset threshold

Force VSTBY low until RST*

asserted

0.93 *

VSTBY

0.95 *

VSTBY

0.97 *

VSTBY

VHYS

Hysteresis of reset on rising

VSTBY

200

trRST

Rise time

10% to 90%,

RRST= 47 k,

CRST = 50 pF

µs

tfRST

Fall time

90% to 10%,RRST= 47 k,

CRST = 50 pF

300

1000

VIH_RSTDLY RSTDLY input voltage threshold Verify RST is de asserted

2.5

2.75

3.5

ISRC

RSTDLY current

RSTDLY = 0 VDC

8.5

µA

Table 5.

Electrical characteristics (continued)

(VS = 14.4V; Tamb = 25°C; unless otherwise specified)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

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