ML4830
ELECTRICAL CHARACTERISTICS
PARAMETER
Oscillator
Initial accuracy
Voltage stability
Temperature stability
Total Variation
Ramp Valley to Peak
C(T) Charging Current (FM Modes)
V
PIN8
= 0V, V
PIN9
= 2.5V,
V
PIN12
= 0.9V, Preheat
V
PIN8
= 0V, V
PIN9
= 2.5V,
Max. dimming
C(T) Discharge Current
Output Drive Deadtime
R(SET) Voltage
Reference Section
Output Voltage
Line regulation
Load regulation
Temperature stability
Total Variation
Output Noise Voltage
Long Term Stability
Short Circuit Current
Line, load, temp
10Hz to 10KHz
T
J
= 125°C, 1000 hrs
V
CC
< V
CCZ
– 0.5V, V
REF
= 0V
7.35
50
5
–40
T
A
= 25°C, I
O
= 1mA
V
CCZ
– 3V < V
CC
, V
CCZ
– 0.5V
1mA < I
O
< 20mA
7.4
7.5
2
2
0.4
7.65
7.6
10
15
V
mV
mV
%
V
µV
mV
mA
V
PIN8
= 0V, V
PIN9
= 2.5V
Line, temperature
68
2.5
–94
–188
5
0.2
2.5
T
A
= 25°C, PWM or
Dimming Lockout
V
CCZ
– 3V < V
CC
<V
CCZ
– 0.5V
72
80
1
2
92
88
KHz
%
%
KHz
V
µA
µA
mA
µs
V
(Continued)
CONDITIONS
MIN
TYP
MAX
UNITS
Preheat and Interrupt Timer (Pin 10) (R(X) = 590K�½, C(X) = 5.6µF)
Initial Preheat Period
Subsequent Preheat Period
Start Period
Interrupt Period
Pin 12 Charging Current
Pin 12 Open Circuit Voltage
Pin 12 Maximum Voltage
Input Bias Current
Preheat Lower Threshold
Preheat Upper Threshold
Interrupt Recovery Threshold
Start Period End Threshold
V
PIN12
= 1.2V
V
CC
= 12.3V in UVLO
0.4
7.0
0.8
0.7
2.1
6.3
–23
0.9
7.3
–0.1
1.18
3.36
1.18
6.6
1.1
7.7
s
s
s
s
µA
V
V
µA
V
V
V
V
4
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
