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
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