ml4827cs-2 Fairchild Semiconductor, ml4827cs-2 Datasheet - Page 4

• Manufacturer Part Number: ml4827cs-2
• Description: Fault-protected Pfc And Pwm Controller Combo
• Manufacturer: Fairchild Semiconductor

Electrical Characteristics
ML4827
4
Symbol
Tri-Fault Detect
PFC I
DC I
V
Gain Modulator
Oscillator
Reference
IN
OK Comparator
LIMIT
LIMIT
Fault Detect HIGH
Time to Fault Detect HIGH
Fault Detect LOW
Threshold Voltage
∆(PFC I
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
Line Regulation
Load Regulation
Temperature Stability
Total Variation
Long Term Stability
Comparator
T
Comparator
Discharge Current
LIMIT
Parameter
V
TH
- Gain
(Continued)
OPEN 1nF from V
I
I
I
I
IAC = 100µA
I
T
V
Line, Temp
PFC Only
V
T
V
1mA < I(V
Line, Load, Temp
T
V
AC
AC
AC
AC
AC
A
A
J
FB
CCZ
RAMP 2
CCZ
= 125°C, 1000 Hours
= 25°C
= 25°C, I(V
= 100µA, V
= 50µA, V
= 50µA, V
= 100µA, V
= 250µA, V
= V
- 3V < V
- 3V < V
FAULT DETECT LOW
= 0V, V
REF
Conditions
RMS
RMS
) < 20mA
CC
REF
CC
RMS
RMS
RMS
RAMP 1
FB
< V
< V
) = 1mA
= 1.2V, V
= 1.8V, V
= 1.15V, V
= V
= 3.3V, V
to GND
CCZ
CCZ
FB
= 2.5V
- 0.5V
- 0.5V
= 0V
FB
FB
to V
FB
FB
= 0V
= 0V
= 0V
FB
= 0V
=
Min.
–0.8
2.45
0.36
1.20
0.55
0.14
0.74
7.35
100
450
2.6
0.4
0.9
0.8
4.5
7.4
75
72
PRODUCT SPECIFICATION
Typ.
–1.0
190
±0.3
2.55
0.55
1.80
0.80
0.20
0.82
150
150
600
2.7
0.5
1.0
1.0
2.5
7.5
7.5
0.4
10
80
1
1
2
2
2
5
REV. 1.0.1 6/27/01
–1.15
Max.
2.65
0.66
2.24
1.01
0.26
0.90
300
300
750
7.65
2.8
0.6
1.1
1.2
9.5
7.6
±1
85
10
15
25
88
2
Units
MHz
kHz
kHz
mV
mA
mV
mV
mV
ms
µA
ns
ns
ns
%
%
%
V
V
V
V
V
V
V
V
V
V