L9911F datasheet(8/19 Pages) STMICROELECTRONICS

8 / 19 page

Electrical specification

L9911

8/19

Doc ID10990 Rev 12

Vreg 1

Regulated voltage & thermal drift.

3 configurations available,

selectable by mask option (see

Table 8).

Ialt =1 A-0.9 · Inom; Tcase = 20 °C;

1400 < rpm < RPMMAX

(see Figure 2)

14.0

-4.5

14.4

-3.5

14.8

-2.5

mV/°C

Vreg 2

Ialt =10 A; Tcase = 23 °C;

rpm = 6000 rpm; 15 V max.

(see Figure 3)

14.35

-11.8

14.5

-10

14.65

-8.2

mV/°C

Vreg 3

Ialt =10 A; Tcase = 23 °C;

rpm = 6000 rpm (see Figure 4)

14.35

-6

14.5

-4

14.65

-2

mV/°C

Vreg 4

Ialt =10 A; Tcase = 23 °C;

rpm = 6000 rpm (see Figure 5)

13.95

-3.5

14.2

-2.5

14.3

-1.5

mV/°C

V

rpm

1400<rpm<RPMMAX; Ialt = 10 A

200

V

load

-5 A<Ialt < Inom; rpm = 6000 rpm

250

Vreg-less

Reg. voltage without battery

Ialt = 3 A resistive; Tcase = 25 °C;

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

°C

Tj-sd-dwn

Thermal shut-down hysteresis

L/F+/DFM from OFF STATE (due

to thermal shutdown) to ON

STATE

Tj-sd-

°C

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 +

0.75

Vuv+

1.2

VF+_sat

Field driver saturation voltage

Tj = 150 °C; I = 4.5 A

0.6

Tj = 25 °C; I = 7 A

0.55

Freewheeling diode F+

I = 5 A

If_SCTH

Field short circuit driver protection

threshold current

(see Figure 15)

F+ = 0 V; Tj = -40 °C

F+ = 0 V; Tj = -25 °C

9.5

F+ = 0 V; Tj = -150 °C

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

Output voltage rise time

Ifield = 3 A resistive

see Figure 6)

µs

Output voltage fall time

µs

Fsw_F+

Field switching frequency

Ialt = 1 A~0.9 · Inom;

1400 rpm < rpm < RPMMAX

250

400

Table 5.

Electrical characteristics (continued)

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

L9911F Datasheet(PDF) 8 Page - STMicroelectronics

L9911F Datasheet(HTML) 8 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

Datasheet Download

Link URL