Datasheet

GND
FB
EN
V
IN
SW
V
IN
= 5V
C1
R3
D1
L1
LM2831
R2
R1
C2
V
O
= 0.6V @ 1.5A
LM2831
www.ti.com SNVS422C –AUGUST 2006–REVISED APRIL 2013
LM2831X Design Example 2
Figure 29. LM2831X (1.6MHz): Vin = 5V, Vo = 0.6V @ 1.5A
Table 3. Bill of Materials
Part ID Part Value Manufacturer Part Number
U1 1.5A Buck Regulator TI LM2831X
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 3.3µH, 2.2A TDK VLCF5020T- 3R3N2R0-1
R2 10.0kΩ, 1% Vishay CRCW08051000F
R1 0Ω
R3 100kΩ, 1% Vishay CRCW08051003F
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