ML4824
PRODUCT SPECIFICATION
4
REV. 1.0.6 11/7/03
Input Bias Current
0.5   1.0   礎
Output High Voltage
6.0    6.7
V
Output Low Voltage
0.6    1.0
V
Source Current
V
IN
= ?.5V, V
OUT
= 6V
40   90
礎
Sink Current
V
IN
= ?.5V, V
OUT
= 1.5V
40
90
礎
Open Loop Gain
60
75
dB
Power Supply Rejection Ratio
V
CCZ
- 3V < V
CC
< V
CCZ
- 0.5V
60
75
dB
OVP Comparator
Threshold Voltage
2.6    2.7    2.8
V
Hysteresis
80    115   150   mV
PFC I
LIMIT
Comparator
Threshold Voltage
0.8   1.0  1.15   V
(PFC I
LIMIT
V
TH
- Gain
Modulator Output)
100   190
mV
Delay to Output
150   300    ns
DC I
LIMIT
Comparator
Threshold Voltage
0.97   1.02   1.07    V
Input Bias Current
?.3   ?    礎
Delay to Output
150   300    ns
V
IN
OK Comparator
Threshold Voltage
2.4    2.5    2.6
V
Hysteresis
0.8    1.0    1.2
V
Gain Modulator
Gain (Note 3)
I
AC
= 100礎, V
RMS
= V
FB
= 0V
0.36   0.55   0.66
I
AC
= 50礎, V
RMS
= 1.2V, V
FB
= 0V    1.20   1.80   2.24
I
AC
= 50礎, V
RMS
= 1.8V, V
FB
= 0V    0.55   0.80   1.01
I
AC
= 100礎, V
RMS
= 3.3V, V
FB
= 0V   0.14   0.20   0.26
Bandwidth
IAC = 100礎
10
MHz
Output Voltage
I
AC
= 250礎, V
RMS
= 1.15V,
V
FB
= 0V
0.74   0.82   0.90    V
Oscillator
Initial Accuracy
T
A
= 25癈
71
76
81    kHz
Voltage Stability
V
CCZ
- 3V < V
CC
< V
CCZ
- 0.5V
1
%
Temperature Stability
2
%
Total Variation
Line, Temp
68
84    kHz
Ramp Valley to Peak Voltage
2.5
V
Dead Time
PFC Only
270   370   470    ns
C
T
Discharge Current
V
RAMP 2
= 0V, V
RAMP 1
= 2.5V
4.5    7.5    9.5    mA
Reference
Output Voltage
T
A
= 25贑, I(V
REF
) = 1mA
7.4    7.5    7.6
V
Electrical Characteristics
(continued)
Unless otherwise specied, I
CC
= 25mA, R
T
= 52.3k
&
, C
T
= 470pF, T
A
= Operating Temperature Range (Note 1)
Symbol
Parameter
Conditions
Min.  Typ.  Max.  Units