TM
EV2364DF-00A – 1.5A, 23V, 1.4MHz DUAL STEP-DOWN CONVERTER EV BOARD
EVALUATION BOARD SCHEMATIC
VIN
5.5V to 23V
GND
D1
MBR0520
OPTIONAL
5V INPUT ONLY
SSA
NC1
BSA
INA
SWA
ENA
C8
2.2nF
D4
MBR0520
OPTIONAL
5V INPUT ONLY
ENA
COMPA
FBA
VOUTA
3.3V @ 1.5A
GND
C4
NS
U1
SGB
PGB
SWB
INB
NC2
BSB
SSB
D2
B230A
PGA
SGA
FBB
MP2364
C7
10nF
D3
B230A
C10
NS
VOUTB
2.5V @ 1.5A
GND
COMPB
ENB
C5
3.3nF
ENB
MP2364_S01
EV2364DF-00A BILL OF MATERIALS
Qty
2
2
1
1
2
2
2
2
2
2
1
1
3
Ref
D1, D4
D2, D3
C8
C5
C2, C7
2.2nF
3.3nF
10nF
Value Description
Schottky Diode, 20V, 0.5A, SOD-
123
Manufacturer Part No.
Distributor Part No.
Digikey:
MBR0520LT1OSCT-ND
Digikey:
B230ADICT-ND
Digikey:
445-1309-1-ND
Digikey:
PCC1778CT-ND
Digikey:
445-1311-1-ND
Digikey:
445-1357-1-ND
Digikey:
445-1434-1-ND
Digikey:
445-1404-1-ND
ON Semiconductor:
MBR0520LT1
Diodes Inc:
Schottky Diode, 30V, 2A, SMA
B230A-13
TDK:
Ceramic Capacitor, 50V, 0603, X7R
C1608X7R1H222K
Panasonic:
Ceramic Capacitor, 50V, 0603, X7R
ECJ-1VB1H332K
TDK:
Ceramic Capacitor, 50V, 0603, X7R
C1608X7R1H103K
TDK:
Ceramic Capacitor, 16V, 0805, X7R
C2012X7R1C474K
TDK:
Ceramic Capacitor, 25V, 1210, X7R
C3225X7R1E106M
TDK:
Ceramic Capacitor, 6.3V, 1210, X5R
C3225X5R0J226M
Do Not Stuff
Sumida:
Inductor, 2.8A, SMD, Unshielded
CDRH6D28
Panasonic:
Resistor, 0603, 1%
ERJ-3EKF2552V
Panasonic:
Resistor, 0603, 5%
ERJ-3GEYJ752V
Panasonic:
Resistor, 0603, 1%
ERJ-3EKF1002V
C1, C6 0.47µF
C11,
C12
C3, C9
C4, C10
L1, L2
R1
R2
R3, R5,
R6
5µH
25.5kΩ
7.5kΩ
10kΩ
10µF
22µF
Digikey:
P25.5KHCT-ND
Digikey:
P7.5KGCT-ND
Digikey:
P10.0KHCT-ND
EV2364DF-00A Rev. 1.2
10/6/2005
www.MonolithicPower.com
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© 2005 MPS. All Rights Reserved.
2
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