L6219R Просмотр технического описания (PDF) - STMicroelectronics
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L6219R Datasheet PDF : 11 Pages
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L6219R
Table 5. Electrical Characteristics (continued)
(Tj = 25°C, VS = 4.5V, VSS = 4.75V to 5.25V, VREF = 2V; unless otherwise specified) See fig. 6
Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
IIN(L) Input Current
VIN = 0.84V
-
-3
-200 µA
VREF Reference Voltage
Operating
1.5
-
2
V
ISS(ON) Total Logic Supply Current
Io = I1 = 0.8V, No Load
-
44
60
mA
ISS(OFF) Total Logic Supply Current
Io = I1 = 2.4V, No Load
-
10
14
mA
COMPARATORS
VREF/ Current Limit Threshold (at trip
Vsense point)
Io = I1 = 0.8V
Io = 2.4V, I1 = 0.8V
9.5
10
10.5
-
13.5
15
16.5
-
Io = 0.8V, I1 = 2.4V
25.5
30
34.5
-
toff Cutoff Time
Rt = 56KΩ Ct = 820pF
-
50
µs
td
Turn Off Delay
Fig. 1
-
1
µs
PROTECTION
TJ Thermal Shutdown Temperature
*) ICEX is the sum of the leakage of the power switch and recirculation diode.
-
170
-
°C
Figure 4.
4/11
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