Rainbow Electronics MAX5099 - Manual (Page 25)

MAX5099
BST2/VDD2
SOURCE2 SOURCE2
PGND
FB2
COMP2 PGOOD2
EN2
SYNC
31 1 32 30 29 6 7 4 5 9
C6 D1
26 25 24
4
3
28
D2
C7
L1
C20 C9
R9
C8
R6
R22
R7
R8
R12
JU4
C11
C12
C13
19 18 21
VOUT1 PGND SGND
20 17
1 2
V
L
V IN
VDRV
BST1/VDD1 SOURCE1 SOURCE1 DL1
DL2
FB1 COMP1 PGOOD1 EN1 FSEL_1
IN_HIGH
ON/OFF
GATE
V+
DRAIN1
DRAIN1
DRAIN2
DRAIN2
OSC
BYPASS
SGND
VDRV
V L
12
22
23
2
3
11
10
13
C1
C19
C4
C15
8
16
15
14
27
V IN
= 4.5V TO 5.5V
MAX5099
VIN PGND
C14 D4
D5
C5
L2
C21 C17
R18
C16
R15
R23
R16
R17
VOUT2 PGND SGND
VDRV
N2
6
5
2
1 R11
4
3
N3
1
2
5
6
Figure 6. 4.5V to 5.5V Operation
Dual, 2.2MHz, Automotive Synchronous Buck
Converter with 80V Load-Dump Protection
______________________________________________________________________________________ 25