L9935 Ver la hoja de datos (PDF) - STMicroelectronics
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L9935 Datasheet PDF : 29 Pages
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L9935
Electrical specifications
3.3
Electrical characteristics
8 V VS 24 V; -40 °C Tj 150 °C; 4.5 V VCC 5.5 V, unless otherwise specified.
Parameters are tested at 125 °C. Values at 140 °C are guaranteed by design and
correlation.
Table 5. Electrical characteristics
Symbol
Parameter
Test condition
Min. Typ.
Supply
IS85
Total supply current IS+ IVCC
(both bridges Off)
ISOP Operating supply current
ICC
5 V supply current
Full bridges
VS = 14 V; EN = HIGH;
TJ 85 °C
IOUT Ai/Bi = 0; fOSC = 30 kHz
VS = 14 V
EN = LOW
-
40
-
4.5
-
1.4
ROUT, Sink RDSON of sink transistors
Current bit
-
0.4
ROUT, Source RDSON of source transistors
combinations LL, LH, VS 12 V
-
0.4
ROUT8, Sink
RDSON of sink transistors +
RDSON of source transistors
Current bit combinations LL,
LH, VS = 8V
-
1.6
VFWD
Forward voltage of the DMOS EN = HIGH; IFWD = 1 A;
body diodes
VS 12 V
-
1
VREV Reverse DMOS voltage
EN = LOW IREV = 1 A
-
0.5
tr, tf
Rise and fall time of outputs
OUTAi/Bi
0.1...0.9 VOUTVS= 14 V
Chopping 550 mA
0.3 0.6
Switch Off threshold of the chopper (R1 R2 = 0.33 )
VSRHL
VSRLH
VSRLL
Voltage drops across R1 R2 (1)
(Voltage at Pin SRA or SRB vs.
GND)
Bit 5, 2 = H; Bit 4, 1 = L
Bit 5, 2 = L; Bit 4, 1 = H
Bit 5, 4, 2, 1 = L
12
20
160 180
270 300
Enable input EN
VEN High High input voltage
VENlow
VEN Hyst
IEN High
IEN Low
Low input voltage
Enable hysteresis
High input current
Low input current
Logic inputs SDI. SCK, CSN
-
-
-
VHigh = VCC
VLOW = 0V
VCC -
1.2V
-
-
-
0.1
-
-10
0
-3
-10
VHIGH
VLOW
VHyst
High input voltage
Low input voltage
Hysteresis
EN = LOW
2.6
-0.3
0.8 1.2
Max.
100
-
10
0.7
0.7
3
1.4
0.9
1.5
35
210
340
-
1.2
-
10
-30
8
1
1.6
Unit
A
mA
mA
V
V
s
mV
mV
mV
V
V
V
A
A
V
V
V
Doc ID 5198 Rev 10
9/29
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