ML4821 PRODUCT SPECIFICATION
10 REV. 1.0.2 6/19/01
Figure 12. 200W Output PFC Circuit
1
2
3
4
5
6
7
8
9
18
17
16
15
14
13
12
11
10
ML4821
I
LIM
IA OUT
IA
IA+
I
SINE
EA OUT
EA
V
RMS
SOFT START
GND
C
T
V
REF
V
CC
OUT
PGND
R
T
OVP
SYNC
C7
0.47µF
R14
91k
C6
43nF
R15
27k
R9
91k
C3
0.1µF
C5
1.5nF
R13
20k
C2
120pF
R12
2.7k
R5
2k
R6
2.7k
R1
0.25
D5
1N5406
D6
1N5406
R8
910k
R11
8.2k
D2
D1
D4
D3
AC IN
90-264
VAC
F1
5A, 250V
C1
1µF
R7
560k
L1
R10
39k
C4
1.5nF
D1
1N5406
D7
1N4934
D8
1N4934
C14
470µF
C12
1µF
C13
1µF
R19
10.2k
R21
6.2k
C10
0.1µF
C11
750pF
C8
R18
825k
R17
10.5k
R22
7.3
D10
MUR850
R20
825k
C14
470µF
C19
270µF
450V
DC OUT
382V
+
PRODUCT SPECIFICATION ML4821
REV. 1.0.2 6/19/01 11
Mechanical Dimensions inches (millimeters)
SEATING PLANE
0.240 - 0.260
(6.09 - 6.61)
PIN 1 ID
0.295 - 0.325
(7.49 - 8.26)
0.890 - 0.910
(22.60 - 23.12)
0.016 - 0.022
(0.40 - 0.56)
0.100 BSC
(2.54 BSC)
0.008 - 0.012
(0.20 - 0.31)
0.015 MIN
(0.38 MIN)
18
0º - 15º
1
0.050 - 0.065
(1.27 - 1.65)
0.170 MAX
(4.32 MAX)
0.125 MIN
(3.18 MIN)
0.045 MIN
(1.14 MIN)
(4 PLACES)
Package: P18
18-Pin PDIP
SEATING PLANE
0.291 - 0.301
(7.39 - 7.65)
PIN 1 ID
0.398 - 0.412
(10.11 - 10.47)
0.498 - 0.512
(12.65 - 13.00)
0.012 - 0.020
(0.30 - 0.51)
0.050 BSC
(1.27 BSC)
0.022 - 0.042
(0.56 - 1.07)
0.095 - 0.107
(2.41 - 2.72)
0.005 - 0.013
(0.13 - 0.33)
0.090 - 0.094
(2.28 - 2.39)
20
0.007 - 0.015
(0.18 - 0.38)
0º - 8º
1
0.024 - 0.034
(0.61 - 0.86)
(4 PLACES)
Package: S20
20-Pin SOIC
ML4821 PRODUCT SPECIFICATION
6/19/01 0.0m 003
Stock#DS30004821
2001 Fairchild Semiconductor Corporation
LIFE SUPPORT POLICY
FAIRCHILDS PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES
OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR
CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the body,
or (b) support or sustain life, and (c) whose failure to
perform when properly used in accordance with
instructions for use provided in the labeling, can be
reasonably expected to result in a significant injury of the
user.
2. A critical component in any component of a life support
device or system whose failure to perform can be
reasonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
www.fairchildsemi.com
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO
ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME
ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN;
NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
Ordering Information
Part Number Temperature Range Package
ML4821CP 0˚C to 70˚C 18-Pin PDIP (P18)
ML4821CS 0˚C to 70˚C 20-Pin SOIC (S20)

ML4821CS

Mfr. #:
Manufacturer:
ON Semiconductor / Fairchild
Description:
Power Factor Correction - PFC PFC Controller
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet