User Manual

MAX1540/MAX1541
Dual Step-Down Controllers with Saturation
Protection, Dynamic Output, and Linear Regulator
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TOP VIEW
THIN QFN
40 39 38 37 36 35 34
ON1 ON2
FBLANK CSP1 CSN1 FB1 OUT1
33 PGOOD1
11 12 13 14 15 16 17
REFIN1
OD
CSP2
CSN2
FB2
OUT2
PGOOD2
18
23
24
25
26
27
28
29
V+
LDOIN
V
DD
LDOOUT
FBLDO
DL1
LDOON
8
7
6
5
4
3
2
ILIM1
CC1
GATE
V
CC
TON
LSAT
SKIP
MAX1541
1OVP/UVP
30 BST1
32 DH1
31 LX1
19
DH2
LX2
20BST2
21
22
GND
DL2
10
9
REF
ILIM2
Pin Configurations (continued)