Datasheet

GND
FB
EN
V
IN
SW
V
IN
= 5V
C1
R3
D1
L1
LM2831
R2
R1
C2
V
O
= 1.2V @ 1.5A
LM2831
SNVS422C –AUGUST 2006–REVISED APRIL 2013 www.ti.com
LM2831Z Design Example 7
Figure 34. LM2831Z (3MHz): Vin = 5V, Vo = 1.2V @ 1.5A
Table 8. Bill of Materials
Part ID Part Value Manufacturer Part Number
U1 1.5A Buck Regulator TI LM2831Z
C1, Input Cap 22µF, 6.3V, X5R TDK C3216X5ROJ226M
C2, Output Cap 2x22µF, 6.3V, X5R TDK C3216X5ROJ226M
D1, Catch Diode 0.3V
f
Schottky 1.5A, 30V
R
TOSHIBA CRS08
L1 1.6µH, 2.0A TDK VLCF4018T- 1R6N1R7-2
R2 10.0kΩ, 1% Vishay CRCW08051002F
R1 10.0kΩ, 1% Vishay CRCW08051002F
R3 100kΩ, 1% Vishay CRCW08051003F
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