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SC4201IMSTRT
P1-P3
P4-P6
P7-P9
P10-P12
10
2004 Semtech Corp.
www
.semtech.com
PO
WER MANAGEMENT
SC420
1
L
L
C
L
L
Ph A
Ph B
Ph C
Ph D
SC4201 - A
V
SYNC
RT
GND
DD
Vout
+3 to 6V
optional 3 or 2/4 Phases
Fsw control
PWM
Fsw
sync
~
PWM
Fsw
sync
~
PWM
Fsw
sync
~
PWM
Fsw
sync
~
Ph A
Ph B
Ph C
Ph D
SC4201 - B
V
SYNC
RT
GND
DD
+3 to 6V
Power Section of choice
Time Delay
(optional)
Application Information (Cont.)
Diagram in Figure 9 demonstrates a synchronous operation of two (or more) SC4201 controllers. If the “time
delay” circuit is to be employed then 6-phase, 8-phase and other configurations become possible.
Figure 9
11
2004 Semtech Corp.
www
.semtech.com
POWER MANA
GEMENT
SC420
1
Evaluation Board Schematic
A Out
B Out
C Out
D Out
Sync
R2
100K
+3 to 6V
C3
22pF
C4
22pF
C5
22pF
C6
22pF
J1
R1
15k
R3
1k
C2
0.1
C1
1.0
RT
1
VDD
2
SYNC
3
D
7
GND
8
B
5
C
6
A
4
U1
SC4201
Run - Sync
3 Phase - 4 Phase
T
op View
Layout
12
2004 Semtech Corp.
www
.semtech.com
PO
WER MANAGEMENT
SC420
1
Semtech Corporation
Power Management Products Division
200 Flynn Road, Camarillo, CA 930
12
Phone: (805)498-2
11
1 F
AX (805)498-3804
Outline Drawing - MSOP-8
Contact Inf
ormation
Land Pattern - MSOP-8
0°
.010
.004
-
.016
.003
.024
(.037)
-
.000
.030
-
-
-
-
0.25
0.10
8°
0°
-
8°
0.60
(.95)
.032
.009
0.40
0.08
.043
.006
.037
0.75
0.00
-
0.80
0.23
-
0.95
1.10
0.15
-
-
-
3.
DIMENSIONS "E1" AND "D" DO NOT INCLUDE MOLD FLASH, PROTRUSIONS
OR GATE BURRS.
-B-
CONTROLLING DIMENSIONS ARE IN MILLIMETERS (ANGLES IN DEGREES).
DATUMS AND TO BE DETERMINED AT DATUM PLANE
NOTES:
1.
2.
-A-
-H-
SIDE VIEW
A
B
C
e
H
e/2
D
PLANE
DETAIL
.193 BSC
.026 BSC
aaa
C
SEATING
ccc
C
2X N/2 TIPS
INDICATOR
E/2
PIN 1
2X
8
bbb
C
A-B
D
SEE DETAIL
A1
A
A2
bxN
D
0.25
A
PLANE
GAGE
.005
E1
12
N
.114
.114
.118
.118
.009
-
8
01
c
(L1)
L
A
0.13
3.00
3.00
4.90 BSC
0.65 BSC
.122
.122
2.90
2.90
.015
0.22
3.10
3.10
0.38
-
REFERENCE JEDEC STD MO-187
,
VARIATION AA.
4.
DIM
ccc
A1
e
bbb
aaa
01
L1
N
L
D
E1
E
A2
b
c
A
MILLIMETERS
NOM
DIMENSIONS
INCHES
MIN
NOM
MAX
MIN
MAX
E
THIS LAND PATTERN IS FOR REFERENCE PURPOSES ONLY.
CONSULT YOUR MANUFACTURING GROUP TO ENSURE YOUR
COMPANY'S MANUFACTURING GUIDELINES ARE MET.
NOTES:
1.
P
X
(C)
Y
Z
G
.224
.063
.016
.026
(.161)
.098
(4.10)
5.70
1.60
0.40
0.65
2.50
MILLIMETERS
DIMENSIONS
DIM
INCHES
X
Z
Y
C
P
G
P1-P3
P4-P6
P7-P9
P10-P12
SC4201IMSTRT
Mfr. #:
Buy SC4201IMSTRT
Manufacturer:
Semtech
Description:
Switching Controllers MULTI PHASE LINK CONTROLLER
Lifecycle:
New from this manufacturer.
Delivery:
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