L9911B datasheet(3/15 Pages) STMICROELECTRONICS

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L9911

Table 5. ELECTRICAL CHARACTERISTCS

(Tj = -40°C to 150°C; unless otherwise specified)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

Vbat

Operating Supply Voltage

Ib-sinked

Supply Battery Current

Ib-stby

Stand-by Current

B+ = 12.5V, F+ = 0V

500

µA

Vreg 1

Regulated Voltage & Thermal

Drift.

3 configurations available,

selectable by mask option

(see Table.8).

Ialt=1A-0.9*Inom; Tcase=20ºC;

1400<rpm<RPMMAX (Fig. 3)

14.0

-4.5

14.4

-3.5

14.8

-2.5

mV/°C

Vreg 2

Ialt=10A; Tcase=23ºC;

rpm=6000rpm;15V max (Fig. 4)

14.35

-11.8

14.5

-10

14.65

-8.2

mV/°C

Vreg 3

Ialt=10A; Tcase=23ºC;

rpm=6000rpm (Fig. 5)

14.35

-6

14.5

-4

14.65

-2

mV/°C

Delta

Vrpm

1400<rpm<RPMMAX; Ialt=10A

200

Delta

Vload

5A<Ialt<Inom; rpm=6000rpm

250

Vreg-less

Reg. Voltage without Battery

Ialt = 3A resistive; Tcase=25º;

2000<rpm<RPMMAX

Vov-p

Overvoltage protection

threshold

Voltage on pin

B+ to disable L

drivers

High and low

side driver off

Vov-d

Overvoltage diagnosis

threshold

VB+ to turn on L low side driver at

VF+ > VS1

Vreg -

Vreg

Vreg +

Tj-sd

Thermal shutdown threshold

Temperature to disable F+, DFM, L

(high & low side drivers)

160

175

190

ºC

Tj-sd-dwn

Thermal Shut-down

hysteresis

L/F+/DFM from OFF STATE (due to

thermal shutdown) to ON STATE

Tj-sd-

Tj-sd-2

ºC

Vuv-1

Under voltage diagnosis

threshold

VB+ to turn on L low side driver

7.7

8.6

9.5

Vuv-up

VB+ to turn off L low side driver

Vuv +

0.40

Vuv +

0.50

Vuv+

0.60

VF+_sat

Field driver saturation voltage Tj = 150ºC; I = 4.5A

0.6

Tj = 25ºC; I = 7A

0.55

Freewheeling diode F+

I=5A

If_SCTH

Field short circuit driver

protection threshold current

(see fig. 16

F+ = 0V; Tj = -40ºC

F+ = 0V; Tj = -25ºC

8.5

F+ = 0V; Tj = -150ºC

5.5

Vs1

Field driver ON-state

detection

4.5

5.5

f-pre

Pre-excitation frequency

283

333

383

Duty-pre

Pre-excitation Field driver

ON-duty

15.93

18.75

21.57

t-rise

Output Voltage Rise Time

Ifield = 3A resistive (Fig. 7)

µs

t_fall

Output Voltage Fall Time

Ifield = 3A resistive (Fig. 7)

µs

Fsw_F+

Field switching frequency

Ialt=1A~0.9*Inom;1400rpm<rpm<R

PMMAX

250

400

If_leak

Output Field Driver Leakage

Current

B+ = 24V; VF+ = 0

µA

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