Datasheet

Electrical characteristics L6585DE
10/33
Symbol Pin Parameter Test condition Min. Typ. Max. Unit
Half bridge section – timing and oscillator
I
CH
T
CH
Charge current V
TCH
= 2.2 V 31 µA
V
CHP
T
CH
Charge threshold
(positive going-edge)
(1)
4.53 4.63 4.73 V
V
CHN
T
CH
Discharge threshold
(negative going edge)
(1)
1.50 V
T
CH
Leakage current
1.5 V < V
TCH
< 4.5 V,
falling
0.1 µA
I
CHsnk
T
CH
Discharge current
During protection:
reduced timing
V
TCH
= 3 V
26 µA
R
TCH
T
CH
Internal impedance Run mode 100 200 Ω
EOI Open state current V
EOI
= 2 V 0.15 µA
R
EOI
EOI EOI impedance During preheating 150 Ω
I
EOI
EOI
EOI current generator
during ignition and run
mode
Tspike = 200 ns
(3)
20
µA
Tspike = 400 ns
(3)
100
Tspike = 600 ns
(3)
200
Tspike = 1 µs
(3)
270
V
EOI
EOI EOI threshold
(1)
1.83 1.9 1.98 V
V
REF
RF Reference voltage
(1)
1.92 2 2.08 V
I
RF
RF Max current capability 240 µA
I
OSCratio
OSC I
OSC
/I
RF
V
OSC
= 3 V 4
OSC Rising threshold
(1)
3.7 V
OSC Falling threshold
(1)
0.9 V
D OSC Output duty cycle 48 50 52 %
T
DEAD
OSC Dead time 0.96 1.2 1.44 µs
F
RUN
OSC
Half-bridge oscillation
frequency (run mode)
58.4 60.2 62 KHz
F
PRE
OSC
Half-bridge oscillation
frequency (preheating)
R
PRE
= 50 kΩ 113.2 116.7 120.2 KHz
Half bridge section – end-of-life function
I
EOLP
EOLP Current capability 100 µA
V
EOLP
EOLP Reference voltage 1.92 2 2.08 V
EOL Operating range EOLP = 27 kΩ 0.95 4.15 V
V
S
EOL
Window comparator
reference
220 kΩ < R
EOLP
< 270
kΩ or 22 kΩ < R
EOLP
<
27 kΩ
tracking with CTR
V
R
EOLP
> 620KΩ or
75 kΩ < R
EOLP
< 91 kΩ
2.5
Table 4. Electrical characteristics (continued)