EV0043 Datasheet, PDF (2/3 Pages) Monolithic Power Systems – 3A, 25V, 1.1MHz Step-Up Converter for WLED Applications

EV0043 (MP1517) – 3A, 25V, 1.1MHz STEP-UP CONVERTER FOR WLED APPLICATIONS
EVALUATION BOARD
EVALUATION BOARD SCHEMATIC
SS
IN
GND
OUT
C4
OPEN
C2
OPEN
D1
MBR0540
C7
47nF
SGND NC SS FB
PGND
COMP
PGND
NC
MP1517
SW
BP
SW
EN
IN OLS NC SGND _U1
Q1
NMOS
ZXMN6A08E6TA
LED4
LED3
LED2
GATE
EN
LED1
EV0043_S01
EV0043 BILL OF MATERIALS
Qty
Ref
Value Description
1
C1
4.7uF
Capacitor, 25V,
Ceramic X5R
2
C2, C4
NS Do Not Stuff
1
C3
10uF
Capacitor, 6.3V
Ceramic X5R
1
C7
47nF
Capacitor, 25V,
Ceramic X7R
1
D1
Schottky Diode,
0.5A, 40V
1
L1
4.7uH Inductor, 5.6A
4
LED1, LED2,
LED3, LED4
White LED, 40MCD
1
Q1
N-Channel MOSFET
1
R1
2.2kΩ Film Resistor, 5%
2
R2, R3
0 Film Resistor, 5%
1
R4
34.8Ω Film Resistor, 1%
1
R5
5.11Ω Film Resistor, 1%
1
U1
Step-Up Converter
Package Manufacturer P/N
1210
Panasonic
ECJ-4YB1E475K
Distributor P/N
Digikey
PCC2251CT-ND
1210
Taiyo-Yuden
JMK325BJ106MF
0603
Panasonic
ECJ-1VB1E473K
Digikey
PCC1771CT-ND
SOD123
ON Semi
MBR0540T1
Digikey
MBR0540T1OSCT-ND
Sumida
CDRH8D43-4R7NC
1206
Lumex
SML-LX23UWC-TR
Digikey
67-1607-1-ND
SOT23-6
Zetex
ZXMN6A08E6TA
Digikey
ZXMN6A08E6CT-ND
0603
Panasonic
ERJ-3GEYJ222V
Digikey
P2.2KGCT-ND
0603
Yageo
Digikey
9C06032A0R00JLHFT 311-0.0GCT-ND
0805
Panasonic
ERJ-6ENF34R8V
Digikey
P34.8CCT-ND
0805
Yageo
Digikey
9C08052A5R11FGHFT 311-5.11CCT-ND
QFN16
MPS
MP1517DR
EV0043 (MP1517) Rev. 1.1
www.MonolithicPower.com
2
2/17/2005
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