ML4832
ELECTRICAL CHARACTERISTICS (Continued)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
GAIN MODULATOR
Output Voltage (VMUL
)
ISINE = 100µA, VEA OUT = 3V
ISINE = 300µA, VEA OUT = 3V
ISINE =100µA, VEA OUT = 6V
ISINE = 300µA, VEA OUT = 6V
ISINE = 1.5mA, VEA–/OVP = 0V
ISINE = 0µA, VEA–/OVP = 0V
ISINE = 150µA, VEA–/OVP = 3V
ISINE = 200µA
85
260
200
600
1
mV
mV
mV
mV
V
Output Voltage Limit
Offset Voltage
0.9
1.1
15
mV
mV
V
15
ISINE Input Voltage
0.8
1.4
1.8
PFC CURRENT — LIMIT COMPARATOR
Current-Limit Threshold
Propagation Delay
–0.85
–1.0
100
–1.15
80
V
100mV step and 100mV overdrive
ns
OSCILLATOR
Initial Accuracy
TA = 25°C
72
76
1
kHz
%
Voltage Stability
VCCZ – 4.0V < VCC < VCCZ – 0.5V
Temperature Stability
Total Variation
2
%
Line, temperature
69
83
kHz
V
Ramp Valley to Peak
CT Charging Current
2.5
VLAMP FB = 3V, VRT/CT = 2.5V,
VRX/CX = 0.9V (Preheat)
–90
–113
–130
µA
VLAMP FB = 3V, VRT/CT = 2.5V,
RX/CX = Open
–180
4.0
–230
5.5
–260
7.0
µA
mA
µs
CT Discharge Current
Output Drive Deadtime
REFERENCE SECTION
Output Voltage
VRT/CT = 2.5V
0.64
0.91
1.30
TA = 25°C, IO = 1mA
7.4
7.5
8
7.6
25
15
V
mV
mV
%
Line regulation
VCCZ – 4.0V < VCC < VCCZ – 0.5V
1mA < IO < 5mA
Load regulation
2
Temperature stability
Total Variation
0.4
Line, load, temp
10Hz to 10kHz
7.35
7.65
V
Output Noise Voltage
Long Term Stability
50
5
µV
mV
TJ = 125°C, 1000 hrs
PREHEAT AND INTERRUPT TIMER (RX = 680KW, CX = 4.7µF)
Initial Preheat Period
0.8
0.7
1.2
5.7
–28
s
s
Subsequent Preheat Period
Start Period
s
Interrupt Period
s
Pin 10 Charging Current
–24
–33
µA
4
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
