Datasheet

21
19
20
22
23
24
9
7
8
10
11
12
15
13
14
16
17
18
3
1
2
4
5
6
LM26480
WQFN-24
DAP
GND L
ENLDO1
ENLDO1
VCC
JP8
GND SW2
GND2
SW2
L2
2.2 µH
C8
10 µF
BUCK2
BUCK2
2
C9
Ctop2
C10
Cbot2
R4
Rtop2
R5
Rbot2
VCC
JP6
C7
10 µF
VIN2
VIN2
VCC
VCC
ENSW1 ENSW2
ENSW1
ENSW2
FB2
AVDD
AVDD
VCC
GND C
1 3
JP4
1 3
JP5
1 3
C6
1 µF
GND C
C5
10 µF
VIN1
VIN1
1 2
JP3
VCC
SW1
GND SW1
GND1
ENLDO2
ENLDO2
1 3
VCC
JP7
C3
Ctop1
R2
Rtop1
R3
Rbot1
C4
Cbot1
C2
10 µF
BUCK1
BUCK1
L1
2.2 µH
100k
R1
NPOR
NPOR
SYNC
SYNC
JP2
1
2
VCC
JP1
1
2
C1
1 µF
VINLDO12
C14
1 µF
VCC
VINLDO2
JP10
LDO2
LDO2
LDO1
C12
C13
0.47 µF
0.47 µF
FBL1 FBL2
R9 R7
R6
R8 C11
JP9
VCC
VINLDO1
1
2
1 2
1 µF
1
FB1
VCC
D2
SW2
LDO1
SW1
D1
SMB_JACK
1
2
SMB_JACK
1
2
S2
S1
www.ti.com LM26480 Evaluation Board Schematic
11 LM26480 Evaluation Board Schematic
Figure 10. LM26480 Evaluation Board Schematic
11
SNVA329D–March 2008–Revised April 2013 AN-1800 Evaluation Kit for LM26480 - Dual DC/DC Buck Regulators with Dual
Low-Noise Linear Regulators
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