L6567
ELECTRICAL CHARACTERISTCS
(VS = 12V; RREF = 30KΩ; CF = 100pF; Tj = 25°C; unless otherwise specified.)
Symbol
Parameter
Test Conditio n
Min. Typ. Max. Unit
VS - SUPPLY VOLTAGE SECTION
VS high 1 VS Turn On Threshold
10.7 11.7 12.7
V
VS high2
VS Clamping Voltage
VS = 20mA
12
13
14
V
VS low 2
VS Turn Off Threshold
9
10
11
V
VS HYST Supply Voltage Hysteresis
1.5 1.65 1.8
V
VS low 1
VS Voltage to Guarantee
VG1 =”0”and VG2 = ”1
1
6
V
ISSP
VS Supply Current at Start Up VS = 10.6V Before turn on
50
250 mA
ISOP
VS Supply Operative Current VS = VShigh 1
1.2
mA
OSCILLATOR SECTION
fosc min
Minimum Oscillator frequency IRHV = 0mA; CI = 5V
41.7
43 44.29 kHz
fosc 600m Feed Forward Frequency
IRHV = 600mA
47.88 50.4 52.92 kHz
fosc 1mA
Feed Forward Frequency
IRHV = 1mA
79.8
84
88.2 kHz
fosc max Maximum Oscillator Frequency CI = 0V
96.75 107.5 118.25 KHz
∆ICF/∆VCI Oscillator Transconductance
9
17.5 µA/V
PREHEAT/IGNITION SECTION
P.H.T.
Preheat Time
Cp = 150nF
0.88
1
1.12 sec
P.H.clocks Number of Preheat Clocks
16
IGN.clocks Number of Ignition Clocks
15
RATE OF FREQUENCY CHANGE SECTION
ICIP charge CI Charging Current During
Preheat
106 118 130 mA
ICII charge CI Charging Current During
Ignition
1
1.2
1.4
mA
ICI disch CI Discharge Current
-52
-47
-42
mA
VTH CI
CI Low Voltage Threshold
10
100 mV
RS - THRESHOLD SECTION
VCMTH
Capacitive Mode Voltage
Threshold
0
20
40
mV
VPH
Preheat Voltage Threshold
-0.64 -0.6 -0.56
V
G1 - G2 DELAY TIMES SECTION
G1DON
On Delay of G1 Output
1.05
1.4
1.75
µs
4/15