Datasheet

MaximIntegrated │ 7
Evaluates: MAX17503 in
3.3V Output-Voltage Application
MAX17503 3.3V Output Evaluation Kit
www.maximintegrated.com
Figure 11. MAX17503 3.3V Output EV Kit Schematic
EP
6
SYNC
11
MODE
12
VCC
13
SGND
7
SS
20
BST
19
LX
18
LX
17
LX
5
RESET
3
VIN
2
VIN
1
VIN
4
EN/UVLO
10
RT
16
PGND
15
PGND
14
PGND
9
FB
8
CF
U1
MAX17503
R5
1%
45.3k
1
2
3
JU3
SYNC
MODE
SGND
C2
2.2uF
C3
5600pF
R6
1%
10k
C5 0.1uF
L1
6.8uH
C4 47uF
TP1 TP2
R3 1% 127k R4 1% 47.5k
VOUT
PGND
C6
OPEN
R2
1%
1M
R1
1%
3.32M
VIN
PGND
C1 2.2uF
+
C7 47uF 80V
EN/UVLO
1
2
3
JU2
1
2
3
JU1
RESET
VCC
VCC
EN/UVLO
VCC
EN/UVLO
RESET
RESET