ML4824
ELECTRICAL CHARACTERISTICS
(Continued)
SMBOL
OVP COMPARATOR
Threshold Voltage
Hysteresis
PFC I
LIMIT
COMPARATOR
Threshold Voltage
∆(PFC
I
LIMIT
V
TH
- Gain Modulator Output)
Delay to Output
DC I
LIMIT
COMPARATOR
Threshold Voltage
Input Bias Current
Delay to Output
V
IN
OK COMPARATOR
Threshold Voltage
Hysteresis
GAIN MODULATOR
Gain (Note 3)
I
AC
= 100µA, V
RMS
= V
FB
= 0V
I
AC
= 50µA, V
RMS
= 1.2V, V
FB
= 0V
I
AC
= 50µA, V
RMS
= 1.8V, V
FB
= 0V
I
AC
= 100µA, V
RMS
= 3.3V, V
FB
= 0V
Bandwidth
Output Voltage
OSCILLATOR
Initial Accuracy
Voltage Stability
Temperature Stability
Total Variation
Ramp Valley to Peak Voltage
Dead Time
C
T
Discharge Current
REFERENCE
Output Voltage
Line Regulation
Load Regulation
Temperature Stability
Total Variation
Long Term Stability
Line, Load, Temp
T
J
= 125°C, 1000 Hours
7.35
5
T
A
= 25°C, I(V
REF
) = 1mA
V
CCZ
- 3V < V
CC
< V
CCZ
- 0.5V
1mA < I(V
REF
) < 20mA
7.4
7.5
2
2
0.4
7.65
25
7.6
10
15
V
mV
mV
%
V
mV
PFC Only
V
RAMP 2
= 0V, V
RAMP 1
= 2.5V
270
4.5
Line, Temp
68
2.5
370
7.5
470
9.5
T
A
= 25°C
V
CCZ
- 3V < V
CC
< V
CCZ
- 0.5V
71
76
1
2
84
81
kHz
%
%
kHz
V
ns
mA
IAC = 100µA
I
AC
= 250µA, V
RMS
= 1.15V,
V
FB
= 0V
0.74
0.36
1.20
0.55
0.14
0.55
1.80
0.80
0.20
10
0.82
0.90
0.66
2.24
1.01
0.26
MHz
V
2.4
0.8
2.5
1.0
2.6
1.2
V
V
0.97
1.02
±0.3
150
1.07
±1
300
V
µA
ns
–0.8
100
–1.0
190
150
300
–1.15
V
mV
ns
2.6
80
2.7
115
2.8
150
V
mV
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
4
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
