Figure 5.2 Layout Example Of The Regulator Section; Table 5.1 List Of Recommended Parts For Use - Renesas R-IN32M3 Series User Manual

R-IN32M3 Series: Board design edition
R-IN32M3
Switchi ng regulator inpu t
Regula tor output 1.5V
GND for switching
regu lator
Feedba ck regula tor

Figure 5.2 Layout Example of the Regulator Section

Table 5.1 List of Recommended Parts for Use

Parts
D1 Schottky diode
L1 Inductor
C1, C2 Tantalum capacitor
C1a, C2a Ceramic capacitor
R Resistor
R18UZ0021EJ0400
Dec. 28, 2018
BVDD
L1: 10 uH
LX
BGND /
D1
+
AGND_REG
C2: 22 uF (Tantalum)
AVDD_REG
FB
Type Characteristics
30 V, 1 A
10 uH
22 uF±20%
ESR: 75 to 300 mΩ
22 uF±10%
100 mΩ±1%
5. Built-in Regulator Pin (R-IN32M3-EC only)
AVDD, BVDD pattern
LX pattern
VOUT pattern
(Conne ction to VDD15 power plan e)
+
C1: 22uF (Tantalum)
GND p attern
Recommend Ports
STPS1L30UPBF (ST)
VLC5028T (TDK)
PSLB21A226M (NEC TOKIN)
GRM32ER71A226KE20L (Murata)
MCR18EZHFLR100 (ROHM)
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