MAX796 Maxim, MAX796 Datasheet - Page 30

• Manufacturer Part Number: MAX796
• Description: Step-Down Controllers with Synchronous Rectifier for CPU Power
• Manufacturer: Maxim

Step-Down Controllers with
Synchronous Rectifier for CPU Power
Figure 20. Buck Converter with Low-Loss SMT Current-Sense Transformer
Figure 21. 1.5V GTL Bus Termination Supply
30
____________________________________________Application Circuits (continued)
______________________________________________________________________________________
INPUT
4.75V
TO 5.5V
INPUT
0.01 F
0.01 F
ON/OFF
C6
0.1 F
0.1 F
SHDN
SS
SHDN
SS
SKIP
SKIP
V+
MAX797
V+
MAX797
GND
GND
VL
VL
PGND
SYNC
CSH
BST
CSL
REF
PGND
DH
DL
SYNC
LX
FB
CSH
BST
CSL
REF
DH
LX
DL
FB
0.33 F
C5
D1
C3
0.1 F
0.33 F
1N4148
1.91 , 1%
0.1 F
R3
66.5k
1%
R4
100k
1%
N2
N1
Q1
Q2
T1 = 1:70 5mm SURFACE-MOUNT TRANSFORMER
Q1, Q2 = MMSF5N03 OR Si9410DY
1N4148
1N5819
D2
1N5820
330pF
DALE LPE-3325-A087
T1
4.7 F
C7
D1
3.3 H
4.7 F
L1
TO
VL
MAX495
C1
220 F
OS-CON
R5
150k
10 H
12m
C1
2x 22 F
R1
100k
100k
1%
1%
REMOTE SENSE LINE
N1 = N2 = MTD20N03HDL
L1 = COILCRAFT DO3316-332
R6
49.9k
R7
124k
2 x 220 F
OS-CON
C2
C2
+5V OUTPUT
AT 3A
1.5V OUTPUT
F
AT 5A