EV2309DS-00A Datasheet, PDF (2/4 Pages) Monolithic Power Systems – 1A, 23V, 340KHz Synchronous Step-Down Converter Evaluation Board

TM
EV2309DS-00A – 1A, 23V, 340KHz SYNCHRONOUS STEP-DOWN EV BOARD
EVALUATION BOARD SCHEMATIC
VIN
C1
10nF
GND
EN
SS
C8
NS
2 U1
1
IN
7 _EN
C7
R5
BS ₃
SW
NS NS
MP2309
8 _SS
GND
FB ⁵
COMP
D1
B130LAW
(optional)
4
6
C3
C4
3.3nF
NS
VOUT
3.3V / 1A
C5
NS
GND
EV2309_S01
EV2309DS-00A BILL OF MATERIALS
Qty Ref
1
C1
1
C2
1
C3
4
C4, C5,
C7, C8
1
C6
1
C9
1
D1
1
L1
1
R1
1
R2
1
R3
1
R4
1
R5
1
U1
Value Description
10nF
10µF
3.3nF
Ceramic Capacitor, 50V,
X7R
Ceramic Capacitor, 25V,
X7R
Ceramic Capacitor, 50V,
X7R
NS Not Stuffed
0.1µF
22µF
Ceramic Capacitor, 50V,
X7R
Ceramic Capacitor, 16V,
X5R
Diode Schottky, 30V, 1A
10µH Inductor, 1.5A
26.1kΩ Resistor, 1%
7.5kΩ Resistor, 5%
10kΩ Resistor, 1%
100kΩ Resistor, 5%
NS Not Stuffed
Step-Down Converter, 1A,
340KHz
Package
Manufacturer:
Manufacturer P/N
0805
Panasonic:
ECJ-2VB1H223K
1210
TDK:
C3225X7R1E106M
0805
Panasonic:
ECJ-2VB1H332K
Distributor:
Distributor P/N
Digikey:
PCC223BGCT-ND
Digikey:
445-1434-1-ND
Digikey:
PCC332BNCT-ND
0805
1210
SOD-123
SMD
0805
0805
0805
0805
TDK:
C2012X7R1H104K
Digikey:
445-1349-1-ND
TDK:
C3225X5R1C226M
Digikey:
445-1436-1-ND
Diodes Inc.:
B130LAW
Digikey:
B130LAWDICT-ND
Sumida:
CDRH6D26NP-100NB
Panasonic:
ERJ-6ENF2612V
Digikey:
P26.1KCCT-ND
Panasonic:
ERJ-6GEYJ752V
Digikey:
P7.5KACT-ND
Panasonic:
ERJ-6ENF1002V
Digikey:
P10.0KCCT-ND
Panasonic:
ERJ-6GEYJ104V
Digikey:
P100KACT-ND
SO8
MPS:
MP2309DS
EV2309DS-00A Rev. 1.3
www.MonolithicPower.com
2
9/29/2005
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