Datasheet

ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
V
S
Supply Voltage 50 V
I
o
Output Current (peak) ±1A
I
o
Output Current (continuous) ±0.75 A
V
SS
Logic Supply Voltage 7 V
V
IN
Logic Input Voltage Range -0.3 to +7 V
V
sense
Sense Output Voltage 1.5 V
T
J
Junction Temperature +150 °C
T
op
Operating Temperature Range 0 to 70 °C
T
stg
Storage Temperature Range -55 to +150 °C
THERMAL DATA
Symbol Description PLCC PDIP SO Unit
R
thj-case
R
thj-amb
Thermal Resistance Junction-case Max.
Thermal Resistance Junction-ambient Max.
12
45 (*)
14
60 (*)
15
75 (*)
°C/W
°C/W
(*) With minimized copper area.
ELECTRICAL CHARACTERISTICS (T
j
=25°C, V
S
= 46V, V
SS
= 4.75V to 5.25V, V
REF
= 5V; unless oth-
erwise specified) See fig. 3.
Symbol Parameter Test Condition Min. Typ. Max. Unit
OUTPUT DRIVERS (OUT
A
or OUT
B
)
V
S
Motor Supply Range 10 46 V
I
CEX
Output Leakage Current V
OUT
=Vs
V
OUT
=0
-
-
<1
<-1
50
-50
µA
µA
V
CE(sat)
Output Saturation Voltage Sink Driver, I
OUT
= +500mA
Sink Driver, I
OUT = +750mA
Source Driver, I
OUT
= -500mA
Source Driver, I
OUT
= -750mA
-
-
-
-
0.3
0.7
1.1
1.3
0.6
1
1.4
1.6
V
V
V
V
I
R
Clamp Diode Leakage Current VR = 50V - <1 50 µA
V
F
Clamp Diode Forward Voltage Sink Diode
Source Diode I
F =750mA
1
1
1.5
1.5
V
V
I
S(on)
Driver Supply Current Both Bridges ON, No Load - 8 15 mA
I
S(off)
Driver Supply Current Both Bridges OFF - 6 10 mA
CONTROL LOGIC
V
IN(H)
Input Voltage All Inputs 2.4 - - V
V
IN(L)
Input Voltage All Inputs - - 0.8 V
I
IN(H)
Input Current VIN = 2.4V - <1 20 µA
I
IN(L)
Input Current VIN = 0.84V - -3 -200 µA
V
REF
Reference Voltage Operating 1.5 - 7.5 V
I
SS(ON)
Total Logic Supply Current I
o
=I
1
= 0.8V, No Load - 64 74 mA
I
SS(OFF)
Total Logic Supply Current Io =I
1
= 2.4V, No Load - 10 14 mA
COMPARATORS
V
REF
/V
sense
Current Limit Threshold (at trip
point
Io =I
1
= 0.8V 9.5 10 10.5 -
I
o
= 2.4V, I
1
= 0.8V 13.5 15 16.5 -
I
o
= 0.8V, I
1
= 2.4V 25.5 30 34.5 -
t
off
Cutoff Time Rt = 56KΩ C
t
= 820pF - 50 s
t
d
Turn Off Delay Fig. 1 - 1 s
µ
µ
L6219
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