ML4824-2 Fairchild Semiconductor, ML4824-2 Datasheet - Page 4

• Manufacturer Part Number: ML4824-2
• Description: The ML4824 is a controller for power factor corrected, switched mode power supplies
• Manufacturer: Fairchild Semiconductor

ML4824
Electrical Characteristics
Unless otherwise specified, I
4
Symbol
OVP Comparator
PFC I
DC I
V
Gain Modulator
Oscillator
Reference
IN
OK Comparator
LIMIT
LIMIT
Comparator
Input Bias Current
Output High Voltage
Output Low Voltage
Source Current
Sink Current
Open Loop Gain
Power Supply Rejection Ratio
Threshold Voltage
Hysteresis
Threshold Voltage
Modulator Output)
Delay to Output
Threshold Voltage
Input Bias Current
Delay to Output
Threshold Voltage
Hysteresis
Gain (Note 3)
Bandwidth
Output Voltage
Initial Accuracy
Voltage Stability
Temperature Stability
Total Variation
Ramp Valley to Peak Voltage
Dead Time
C
Output Voltage
Comparator
(PFC I
T
Discharge Current
LIMIT
Parameter
V
TH
CC
- Gain
= 25mA, R
(continued)
T
= 52.3k , C
V
I
I
I
I
IAC = 100µA
I
V
T
V
Line, Temp
PFC Only
V
T
AC
AC
AC
AC
AC
V
V
A
A
CCZ
FB
CCZ
RAMP 2
IN
IN
= 25°C
= 25˚C, I(V
= 100µA, V
= 50µA, V
= 50µA, V
= 100µA, V
= 250µA, V
= 0V
= ±0.5V, V
= ±0.5V, V
- 3V < V
- 3V < V
T
= 0V, V
= 470pF, T
Conditions
RMS
RMS
REF
CC
CC
RMS
RMS
RMS
OUT
OUT
RAMP 1
< V
< V
) = 1mA
= 1.2V, V
= 1.8V, V
= 3.3V, V
= V
= 1.15V,
A
= 6V
= 1.5V
CCZ
CCZ
= Operating Temperature Range (Note 1)
FB
= 2.5V
- 0.5V
- 0.5V
= 0V
FB
FB
FB
= 0V
= 0V
= 0V
Min. Typ. Max. Units
–0.8
0.97
0.36
1.20
0.55
0.14
0.74
–40
100
270
6.0
2.6
2.4
0.8
4.5
7.4
40
60
60
80
71
68
PRODUCT SPECIFICATION
–0.5
–1.0 –1.15
±0.3
0.55
1.80
0.80
0.20
0.82
1.02
–90
115
190
150
150
370
6.7
0.6
2.7
2.5
1.0
2.5
7.5
7.5
90
75
75
10
76
1
2
REV. 1.0.6 11/7/03
–1.0
1.07
0.66
2.24
1.01
0.26
0.90
150
300
300
470
1.0
2.8
2.6
1.2
9.5
7.6
±1
81
84
MHz
kHz
kHz
mV
mV
mA
µA
µA
µA
dB
dB
µA
ns
ns
ns
%
%
V
V
V
V
V
V
V
V
V
V