MP2002 – LOW INPUT VOLTAGE, 500mA LINEAR REGULATOR
1) Input and output bypass ceramic capacitors
PCB Layout Guide
are suggested to be put close to the IN Pin
and OUT Pin respectively.
2) Ensure all feedback connections are short
and direct. Place the feedback resistors and
compensation components as close to the
chip as possible.
3) Connect IN, OUT and especially GND
respectively to a large copper area to cool
the chip to improve thermal performance and
long-term reliability.
PCB layout is very important to achieve good
regulation, ripple rejection, transient response
and thermal performance. It is highly
recommended to duplicate EVB layout for
optimum performance.
If change is necessary, please follow these
guidelines and take Figure 2 for reference.
8
1
V
IN
OUT
IN
1.8V
C3
R1
R2
C1
R3
MP2002
5
3
4
FB
EN
PG
C2
GND
6
PG
C2
OUT
IN
IN
1
8
7
6
5
OUT
NC
PG
NC
GND
EN
2
3
4
R1
C3
FB
R3
R2
C1
GND
Top Layer
Bottom Layer
Figure 2—PCB Layout
MP2002 Rev. 1.11
10/10/2011
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