EV0020 Datasheet, PDF (2/4 Pages) Monolithic Power Systems – 2A, 32V, 330KHz Step-Down Converter

EV0020 (MP1591DN) – 2A, 32V, 330KHz STEP-DOWN CONVERTER
EVALUATION BOARD
EVALUATION BOARD SCHEMATIC
VIN
GND
EN
REF
JP1
OFF
C6
C3
NS ^1.8nF
U1
VIN
EN
BS
MP1591
REF
SW
COMP
FB
GND
C4
NS
C1
10nF
D1
B340A-13
VOUT
GND
EV0020_S01
EV0020 BILL OF MATERIALS
Qty Ref
1
C1
1
C2
1
C3
2 C4, C6
1
C5
1
D1
1
R1
1
R2
1
R3
1
L1
L1
Alternate
1
U1
Value
10nF
10µF
1.8nF
NS
22µF
47kΩ
8.2kΩ
15kΩ
22µH
Description
Ceramic Capacitor, 50V, X7R
Ceramic Capacitor, 35V
Ceramic Capacitor, 50V, X7R
Not Stuffed
Ceramic Capacitor, 10V, 1210
Schottky Diode,
40V, 3A, SMA
Film Resistor, 1%
Film Resistor, 5%
Film Resistor, 1%
Inductor, 2.6A
22µH Inductor, 2.5A, Type D104C
Step-Down Converter
Package Manufacturer
0805
AVX
1210 Taiyo Yuden
0805
AVX
Manufacturer P/N
08055C103KAT2A
GMK325F106MH
08055C182KAT2A
1210
0805
0805
0805
SO8
Taiyo Yuden LMK325BJ226MM
Diodes Inc
B340A-13
Yageo
Panasonic
Yageo
Sumida
9C08052A4702FKHFT
ERJ-6GEYJ822V
9C08052A1502FKHFT
CDRH8D43-220
Toko
919AS-220M
MPS
MP1591DN
EV0020 (MP1591DN) Rev. 1.5
www.MonolithicPower.com
2
12/21/2005
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