ML4821CSX Fairchild Semiconductor, ML4821CSX Datasheet - Page 7

• Manufacturer Part Number: ML4821CSX
• Description: IC POWER FACTOR CTRLR 20-SOIC
• Manufacturer: Fairchild Semiconductor

Specifications of ML4821CSX

• Mode: Average Current
• Frequency - Switching: 1MHz
• Current - Startup: 600µA
• Voltage - Supply: 12 V ~ 18 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Switching Frequency: 110 KHz
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2.0
3.0
2.0
PRODUCT SPECIFICATION
REV. 1.0.2 6/19/01
.0
.0
0
0
Figure 5. Output Saturation Voltage vs. Output Current.
0
S.S
INV
9
I
Figure 3. Error and Current Amplifier Configuration
7
GM
+8V
= K × I
V
CC
T
SINE
A
200
= 25°C
I
O
, OUTPUT LOAD CURRENT (mA)
× (V
T
A
I
= –55°C
GM MAX
V
EA
REF
SATURATION
(
T
SOURCE
– 0.8)
A
SATURATION
400
= –55°C
–
+
)
SINK
2.5
R
T
6.2kΩ
600
+8V
80µs PULSED
GND
V
CC
LOAD
T
A
= 15V
= 25°C
EA OUT
6
800
Figure 6. K-factor. Gain Modulator gain with respect to
100
–20
80
60
40
20
K
0
10
Figure 4. Error Amplifier Open-loop Gain and
0.5
0.4
0.3
0.2
0.1
0
0
DESIGN
FOR
BROWNOUT
100
OPERATING BOUNDRY
1
0.23
Phase vs. Frequency.
the voltage at V
1.0k
GAIN
85VAC
2
f, FREQUENCY (Hz)
120VAC
DESIGN
FOR
NORMAL
OPERATIONS
10k
3
V
THIS IS THE MINIMUM
OPERATING
VOLTAGE POINT
RMS
100k
4
RMS
THIS GAIN CURVE TAKES
OUT THE 1/(V
DEPENDENCY OF THE
VOLTAGE CONTROL LOOP
V
V
R
T
A
CC
O
L
.
= 25°C
= 100kΩ
= 1.0V TO 5.0V
= 15V
220VAC
5
1.0M
PHASE
IN
)
2
6
10M
ML4821
0
–30
60
90
120
150
180
7
7