EV1570DN-00A – 3A, 23V, 340KHz SYNCHRONOUS STEP-DOWN CONVERTER
EVALUATION BOARD – INITIAL RELEASE
EVALUATION BOARD SCHEMATIC
EN
C7
OPEN
R5
OPEN
SS
C1
10nF
U1
1
2
3
4
8
7
6
5
BS
IN
SS
EN
VIN
MP1570
GND
SW
COMP
FB
C3
3.3nF
GND
C4
OPEN
TP6
TP7
VOUT
GND
SW
TP8
TP9
D1
OPEN
EV1570DN-00A_S01
EV1570DN-00A BILL OF MATERIALS
Qty Ref
Value Description
Package Manufacturer
Part Number
1
2
1
2
2
1
1
1
1
1
1
1
1
1
C1
C2 C8
C3
10nF Ceramic Capacitor, 50V, X7R
10µF Ceramic Capacitor, 25V, X5R
3.3nF Ceramic Capacitor, 50V, X7R
Open
0603
1210
0603
Any
Taiyo Yuden
Any
TMK325BJ106MM
C4 C7
C5 C9
C6
22µF Ceramic Capacitor, 16V, X5R
0.1µF Ceramic Capacitor, 50V, X7R
Open
1210
0805
Taiyo Yuden
Any
EMK325BJ226MM
CDRH8D43-100NC
D1
L1
10µH Inductor, 4A
Sumida
Any
R1
16.9kΩ Resistor, 1%
0603
0603
0603
0603
R2
5.6kΩ Resistor, 5%
Any
R3
10kΩ Resistor, 1%
Any
R4
100kΩ Resistor, 5%
Any
R5
Open
U1
Synchronous Buck Converter
SO8
MPS
MP1570DN
EV1570DN-00A Rev. 1.1
4/6/2005
www.MonolithicPower.com
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2
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