Rainbow Electronics MAX767 - Manual (Page 17)

MAX767
5V-to-3.3V, Synchronous, Step-Down
Power-Supply Controller
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3.38V OUTPUT
3.408V MAX
3.369V MIN
DL
GND
ON
MAX767
V
CC
DH
REF
L1 BST
LX
D2
PGND
CS
FB
SHUTDOWN
ON/OFF
N1
N2
D1
C2 R1
C6
0.01
µF
C1
SYNC
R2
20 Ω
C4
22 µF
SS
R9
332k, 0.1%
R8
10k
R10
118k, 0.1%
R3
1k,
1% R4
1k,
1%
R6
10k,
1% R5
10k,
1%
C7
10 µF CERAMIC
(LOCATE AT
µP PINS)
R11
5.1k
MIN
LOAD
C5
0.01 µF
C3
0.1
µF
C10
0.01 µF
(OPTIONAL)
C8
1000pF
INPUT
4.75V TO 5.5V
V OUT = V REF
(
R10
+ 1 )
R9
MAX495
REMOTE SENSE LINE
R7
330k
GND
VIN
VOUT
MAX872
TO MAX767
V CC C9
0.22
µF
Figure 6. High-Accuracy CPU Power Supply with External Reference