XR79206EL-F Datasheet, PDF (14/20 Pages) Exar Corporation – 40V, 6A Synchronous Step-Down COT Power Module

Applications Information (Continued)
Typical Application Circuit
XR79206
RZ
VIN
10k
2 - 3 = DCM/CCM
3
J1
2
1
1 - 2 = CCM
D1
MMSZ4685-TP
R1
30.1k
EN
C1
0.22µF
R2
35.7k
SW
RLIM
3.48k
PGOOD
RPGOOD
VCC
10k
FB
VIN
CIN
0.1µF
VCC
CVCC
4.7µF
RON
CSS
22.1k
47nF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
SS
PGOOD
FB
AGND
AGND
VIN
VCC
PGND
SW
SW
SW
SW
PGND
PGND
PGND
PGND
PGND
BST
AGND
LX
PGND
PVIN
PGND
VOUT
PGND
PGND
PGND
VOUT
VOUT
VOUT
VOUT
VOUT
VOUT
VOUT
VOUT
VOUT
VOUT
VOUT
VOUT
VOUT
VOUT
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
VIN = 24V Nominal
VIN
0.1µF 10µF 10µF
10µF
500kHz, 3.3V, 6A
VOUT
0.1µF 47µF
47µF
0.1µF
CFF
330pF
RFF
0.18k
RFB1
9.09k
FB
RFB2
2k
XR79206
Figure 27. Application Circuit
REV1B
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