CLM920_TE5 LTE Module Hardware Manual
17
YUGA Information Technology Co.,Ltd
0.1uF, 1uF ceramic capacitors.
Figure 3- 4 VBAT Power Supply
3.3.2 Reference Design of Power Supply
Actual design can use DC switching power supply or LDO linear power supply, both
design circuit needs to provide enough current. Refer to the following design:
Figure 3- 5 Reference Design of LDO linear power supply
Figure 3- 6 Reference Design of DC switching power supply
2
0
K
VIN
EN
GND
OUT
ADJ
MIC29302WU
4
5
3
1
2
100uF
0.1uF
1uF
220uF
47K
100K
0.1uF
VBAT
G
EN
DC_5V
470uF
VBAT
470uF
1uF
100nF
F
10pF
33pF
2
1
1
10
7
8
9
3
12
4
5
6
1
3
1
220u
F
2.2u
F
100nF
DC_EN
VIN
20K
10n
F
620R
10K
SK34
100p
F
220u
F
1
1u
F
0.1uF
VBAT
RLF7030T-2R2
M
EN
AGND
SS
VI
N
S
W
SW
OVP
FB
COM
P
NC
GND
D
AGND
P
G
N
D
MIC2253_06
YML