Power Supply Circuit - Panasonic MN101L Series User Manual

1.6.4

Power Supply Circuit

Cautions for Power Circuit Design
The MOS logic such a microcomputer is high-speed and high-density. So, the power circuit should be designed,
taking into consideration of AC line noise, ripple caused by LED driver.
An example of a circuit with V
For noise filterring
Figure:1.6.7 Power Circuit Example (emitter follower type)
(emitter follower type) is shown below.
DD30
Set the noise filter capacitors
closer to microcomputer power pins.
+
VDD30
Microcomputer
VSS
Chapter 1
Cautions for Circuit Setup
Overview
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