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R-IN32M4-CL3 User's Manual: Board design edition
7.3
Recommended Components of Inductor and Capacitors
The inductor and ceramic capacitors recommended for L and C
(1)
Inductor (L)
Inductance: 4.7 μH ± 30%
DC resistance: Max 100 mΩ
Rated current: Min 600 mA
Table 7.1 Example of Recommended Component of Inductor
Manufacturer
TDK
(2)
Ceramic Capacitors (C
Capacitance: 47 μF (C
0.01 μF (C
Thermal characteristic: X5R or X7R
ESR (C
): Max 20 mΩ (from 700 kHz to 1.3 MHz)
IN
): Max 100 mΩ (from 700 kHz to 1.3 MHz)
ESR (C
OUT
Table 7.2 Capacitance Definition (C
C
C
IN
C
OUT
Select the components in considering the DC bias and temperature characteristics.
Table 7.3 Example of Recommended Components of Ceramic Capacitors
C
C
IN
C
OUT
7.4
Recommended Component of Schottky barrier diode
Recommended Schottky barrier diode specifications are shown.
Forward voltage: about 0.4 V (smaller is better)
Forward current: 1.0 A or more
Terminal capacitance: about 60 pF @ 3 V (smaller is better)
Table 7.4 Example of Recommended Components of Schottky barrier diode
Manufacturer
TOSHIBA
TDK
The above components were selected based on the specifications. It is necessary to select a component based on a
customer's evaluation.
R18UZ0074EJ0100
Dec 24, 2019
Part Number
VLS5045EX-4R7M
, C
, C
IN
OUT
BYPASS
), 47 μF (C
), 0.1 μF (C
IN
OUT
for VDDREG_33)
BYPASS
, C
)
IN
OUT
Capacitance
47 µF
47 µF
Manufacturer
TDK
TDK
Part Number
CUS10F30
RSX101VAM30
7. 2.5-V built-in Regulator Peripheral Circuit Configuration
, C
, and C
IN
OUT
BYPASS
)
for AVDDREG_33), and
BYPASS
lower limit
10 µF
14 µF
Part Number
C2012X5R1A476M125AC
C2012X5R1A476M125AC
are shown.
Inductance
4.7 µH
upper limit
no definition
200 µF
Capacitance
47 µF
47 µF
Page 22 of 61
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