ml4826cs-2 Fairchild Semiconductor, ml4826cs-2 Datasheet - Page 4

• Manufacturer Part Number: ml4826cs-2
• Description: Ml4826 Pfc And Dual Output Pwm Controller Combo
• Manufacturer: Fairchild Semiconductor

ML4826
Electrical Characteristics
Unless otherwise specified, I
T
4
Symbol
A
OVP Comparator
PFC I
DC I
V
Gain Modulator
Oscillator
Reference
IN
= Operating Temperature Range (Note 1)
OK Comparator
LIMIT
LIMIT
Output High Voltage
Output Low Voltage
Source Current
Sink Current
Open Loop Gain
Power Supply Rejection Ratio
Threshold Voltage
Hysteresis
Threshold Voltage
∆( PFC I
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
RAMP 1 Discharge Current
Output Voltage
Line Regulation
comparator
T
Comparator
Discharge Current
LIMIT
Parameter
- Gain Modulator
CC
= 25mA, R
(continued)
RAMP 1
∆ V
∆ V
V
I
I
I
I
IAC = 100µA
I
T
V
Line, Temp
PFC Only
V
T
V
AC
AC
AC
AC
AC
A
A
CCZ
CCZ
RAMP 1
CCZ
IN
IN
= 25°C
= 25°C, I(V
= R
= 100µA, V
= 50µA, V
= 50µA, V
= 100µA, V
= 250µA, V
= ±0.5V, V
= ±0.5V, V
– 3V < V
– 3V < V
– 3V < V
T
= 52.3k Ω , C
= 0V, V(R
Conditions
RMS
RMS
REF
CC
CC
CC
RMS
RMS
RMS
OUT
OUT
< V
< V
) = 1mA
< V
= 1.2V, V
= 1.8V, V
T
RAMP1
= V
= 3.3V, V
= 1.15V, V
C
= 6V
= 1.5V
CCZ
CCZ
CCZ
T
) = 2.5V
FB
– 0.5V
– 0.5V
– 0.5V
= 0V
= C
FB
FB
FB
T
FB
= 0V
= 0V
= 180 pF,
= 0V
= 0V
Min.
–0.8
0.36
1.20
0.55
0.14
0.72
–40
100
180
170
250
6.0
2.6
0.9
2.4
0.8
4.5
7.4
40
60
60
80
PRODUCT SPECIFICATION
Typ.
±0.3
–1.0
0.55
1.80
0.80
0.20
0.82
–90
115
190
150
150
190
500
6.7
0.6
2.7
1.0
2.5
1.0
2.5
7.5
7.5
90
75
75
10
1
2
5
2
REV. 1.0.5 2/14/02
–1.15
Max. Units
0.66
2.24
1.01
0.26
0.95
150
300
300
200
210
1.0
2.8
1.1
2.6
1.2
9.5
7.6
±1
10
MHz
kHz
kHz
mV
mV
mA
mA
mV
µA
µA
dB
dB
µA
ns
ns
ns
%
%
V
V
V
V
V
V
V
V
V
V