CM2593/P

2A Step Down VOLTAGE REGULATOR

APPLICATIONS CIRCUIT

CM2593/P

2

1

3

4

5

6

7

8

OUT

VIN

FB

SD

GND

GND

GND

GND

L1

68uF

1

2

5A/40V

1

2

R1

2

1

470uF/50V

1

2

Vfb = 1.235V

;

R1=1K~5K

220uF/25V

1

2

Output Voltage Fixed : R1=NC

, R2=0

VOUT

Output Voltage Adj : Vo=Vref*(1+(R2/R1))

VIN

R2

2

1

APPLICATIONS Demo Board Layout

TOP Layer

BOT Layer

Notice :

1. R1/R2 must be close to Pin3 (VFB ), but keep feedback wiring away from inductor

.

2. Inductor/diode must be close to Pin2 (Vout ), heavy lines must be keep short and thick .

3. Please to refer to Circuit and Demo Board Layout (the Fig. as above)

Champion Microelectronic Corporation

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