ml4833 Microsemi Corporation, ml4833 Datasheet - Page 4

• Manufacturer Part Number: ml4833
• Description: Electronic Dimming Ballast Controller
• Manufacturer: Microsemi Corporation

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