CM2593 Datasheet, PDF (7/12 Pages) Champion Microelectronic Corp. – 2A Step Down VOLTAGE REGULATOR

APPLICATIONS CIRCUIT
CM2593/P
2A Step Down VOLTAGE REGULATOR
470uF/50V
21
VIN
1
2
5A/40V
2
1
1
L1
68uF
2
220uF/25V ^VOUT
CM2593/P
1
VIN
8
GND
2
OUT
7
GND
3
FB
6
GND
4 _SD
GND ⁵
1
2
2
1
R2
R1
Output Voltage Fixed : R1=NC , R2=0
Output Voltage Adj : Vo=Vref*(1+(R2/R1))
Vfb = 1.235V ; R1=1K~5K
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)
2007/01/25 Rev. 1.4
Champion Microelectronic Corporation
Page 7