ml4821 Fairchild Semiconductor, ml4821 Datasheet - Page 8

• Manufacturer Part Number: ml4821
• Description: Power Factor Correction Pfc Controller
• Manufacturer: Fairchild Semiconductor

ML4821
Under Voltage Lockout, OVP and Current Limit
8
40
30
20
10
500
400
300
200
100
Figure 9. Total Supply Current vs. Supply Voltage.
0
0
0
0
V
R
RMS
T
= 5kΩ
Figure 7. Gain Modulator Linearity.
= 3V
100
SINE INPUT CURRENT (µA)
V
10
CC
200
SUPPLY VOLTAGE (V)
300
20
T
A
400
= 25°C
500
5.5
4.5
3.5
2.5
1.5
1.0
30
OVP, Shutdown, and IC Bias
–4.0
–8.0
–12
–16
–20
–24
Figure 8. Under-Voltage Lockout Block Diagram.
0
0
Figure 10. Reference Load Regulation.
20
I
REF
+
–
, REFERENCE SOURCE CURRENT (mA)
9V
40
ENABLE
V
REF
T
A
INTERNAL
= 125°C
60
BIAS
+
–
PRODUCT SPECIFICATION
80
T
REV. 1.0.2 6/19/01
A
= 25°C
V
V
T
4.4V
V
REF
100
A
LOGIC
POWER
CC
CC
= –55°C
= 15V
16
15
120