L9638 Ver la hoja de datos (PDF) - STMicroelectronics
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L9638 Datasheet PDF : 14 Pages
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L9638
Table 5. Electrical Characteristics (continued)
(VS = 6V to 26V; TJ = -40 to 150 °C unless otherwise specified)
Item Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
6.3
tWUPgs Remote wake-up delay time Transitioning on WUP
40 100 µs
7 Enable Input EN
7.1
VENLow Low level input voltage
7.2
VENHigh High level input voltage
7.3
REN
EN pull down resistor
7.4
tgts
Go to sleep delay time
7.5
tENgs
EN wake-up glitch
suppression time
VEN = VENlow
VEN = VENhigh
1.5
V
3.5
V
5
10
25
KΩ
40 100 µs
40 100 µs
8 AC Timing Parameters
8.1
D1
Duty Cycle 1
THRec(max) = 0.744 x VSUP;
THDom(max) = 0.581 x VSUP;
Vsup = 7.0 to 18V; tbit = 50µs;
D1 = tBus_rec(min)/2 x tBit
(CBUS; RBUS) 1nF; 1kΩ/6.8nF;
660Ω/10nF; 500Ω
0.396
8.2
D2
Duty Cycle 2
THRec(min) = 0.284 x VSUP;
THDom(min) = 0.422 x VSUP;
Vsup = 7.6 to 18V; tbit = 50µs;
D2 = tBus_rec(min)/2 x tBit
(CBUS; RBUS) 1nF; 1kΩ/6.8nF;
660Ω/10nF; 500Ω
0.581
8.3
D3
Duty Cycle 3
THRec(max) = 0.778 x VSUP;
THDom(max) = 0.616 x VSUP;
Vsup = 7.0 to 18V; tbit = 96µs;
D3 = tBus_rec(min)/2 x tBit
(CBUS; RBUS) 1nF; 1kΩ/6.8nF;
660Ω/10nF; 500Ω
0.417
8.4
D4
Duty Cycle 4
THRec(min) = 0.251 x VSUP;
THDom(min) = 0.389 x VSUP;
Vsup = 7.6 to 18V; tbit = 96µs;
D4 = tBus_rec(min)/2 x tBit
(CBUS; RBUS) 1nF; 1kΩ/6.8nF;
660Ω/10nF; 500Ω
0.591
9 Fault Conditions
9.1 ILIN_NO_GND LIN current with GND
disconnected
GND = Vs = 12V
0V< VLIM < 18V
-1
(1)
9.2 ILIN_NO_Vs LIN current with VS
grounded
Note: 1. Room temperature evaluated - no 100% tested
V = GND, 0V < VLIN < 18V
(1)
1
mA
100 µA
5/14
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