L6567 STMicroelectronics, L6567 Datasheet - Page 4

• Manufacturer Part Number: L6567
• Description: HIGH VOLTAGE DRIVER FOR CFL
• Manufacturer: STMicroelectronics

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