ML4827CP-1 Micro Linear, ML4827CP-1 Datasheet - Page 4

• Manufacturer Part Number: ML4827CP-1
• Description: Fault-Protected PFC and PWM Controller Combo
• Manufacturer: Micro Linear

ML4827
ELECTRICAL CHARACTERISTICS
TRI-FAULT DETECT
PFC I
DC I
V
GAIN MODULATOR
OSCILLATOR
4
SYMBOL
IN
OK COMPARATOR
LIMIT
LIMIT
COMPARATOR
COMPARATOR
Fault Detect HIGH
Time to Fault Detect HIGH
Fault Detect LOW
Threshold Voltage
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
(PFC I
T
Discharge Current
LIMIT
V
TH
PARAMETER
- Gain Modulator Output)
(Continued)
V
1nF from V
I
I
I
I
IAC = 100µA
I
V
T
V
Line, Temp
PFC Only
V
AC
AC
AC
AC
AC
FB
A
FB
CCZ
RAMP 2
= 25°C
= 100µA, V
= 50µA, V
= 50µA, V
= 100µA, V
= 250µA, V
= V
= 0V
- 3V < V
FAULT DETECT LOW
= 0V, V
CONDITIONS
FB
to GND
RMS
RMS
CC
RMS
RMS
RMS
RAMP 1
< V
= 1.2V, V
= 1.8V, V
= V
= 3.3V, V
= 1.15V,
CCZ
FB
= 2.5V
to V
- 0.5V
= 0V
FB
FB
FB
FB
=OPEN
= 0V
= 0V
= 0V
MIN
2.45
0.36
1.20
0.55
0.14
0.74
–0.8
100
450
2.6
0.4
0.9
0.8
4.5
75
72
±0.3
2.55
0.55
1.80
0.80
0.20
0.82
–1.0
TYP
190
150
150
600
2.7
1.0
1.0
7.5
0.5
2.5
10
80
1
1
2
–1.15
MAX
2.65
0.66
2.24
1.01
0.26
0.90
750
300
300
2.8
0.6
1.1
1.2
9.5
±1
85
88
2
UNITS
MHz
kHz
kHz
mV
mA
ms
µA
ns
ns
%
%
ns
V
V
V
V
V
V
V
V