ML4833
ELECTRICAL CHARACTERISTICS
PARAMETER
Oscillator (Continued)
C
T
Charging Current
Voltage at LAMP FB = 3V,
R
T
/C
T
= 2.5V, R
X
/C
X
= 0.9V (Preheat)
LAMP FB = 3V, R
T
/C
T
= 2.5V,
R
X
/C
X
= Open
C
T
Discharge Current
Output Drive Deadtime
Reference Section
Output Voltage
Line regulation
Load regulation
Temperature stability
Total Variation
Output Noise Voltage
Long Term Stability
Line, load, temp
10Hz to 10kHz
T
J
= 125°C, 1000 hrs
7.35
50
5
T
A
= 25°C, I
O
= 1mA
V
CCZ
– 4.5V < V
CC
< V
CCZ
– 0.5V
1mA < I
O
< 5mA
7.4
7.5
2
2
0.4
7.65
7.6
35
15
V
mV
mV
%
V
µV
mV
Voltage at R
T
/C
T
= 2.5V
–90
–180
4.0
0.65
–110
–220
5.5
1
–130
–260
7.0
1.35
µA
µA
mA
µs
(Continued)
CONDITIONS
MIN
TYP
MAX
UNITS
Preheat and Interrupt Timer (R
X
/C
X
where R
X
= 680k�½, C
X
= 4.7µF)
Initial Preheat Period
Subsequent Preheat Period
Start Period
Interrupt Period
R
X
/C
X
Charging Current
R
X
/C
X
Open Circuit Voltage
R
X
/C
X
Maximum Voltage
Input Bias Current
Preheat Lower Threshold
Preheat Upper Threshold
Interrupt Recovery Threshold
Start Period End Threshold
Interrupt Input (INTERRUPT)
Interrupt Threshold
Input Bias Current
R
SET
Voltage
OVP Comparator (PVFB/OVP)
OVP Threshold
Hysteresis
Propagation Delay
2.63
0.18
2.73
0.23
1.4
2.83
0.27
V
V
µs
2.4
2.5
1.1
1.22
1.4
0.1
2.6
V
µA
V
Voltage at C
RAMP
= 1.2V
1.05
4.2
1.05
6.05
1.22
4.7
1.22
6.6
V
CC
< Start-up threshold
–24
0.4
7.0
0.8
0.7
1.2
5.7
–28
0.7
7.3
–33
1.0
7.7
0.1
1.36
5.1
1.36
7.35
s
s
s
s
µA
V
V
µA
V
V
V
V
4
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
