EV1542DK-SEPIC-00A Datasheet, PDF (2/4 Pages) Monolithic Power Systems – 700KHz/1.3MHz Boost Converter with a 2A Switch

TM
EV1542DK-SEPIC-00A — 700KHz/1.3MHz SEPIC CONVERTER WITH A 2A SWITCH
EVALUATION BOARD
EVALUATION BOARD SCHEMATIC
VIN
3V - 4.2V
GND
EN
JP1
FREQUENCY
SELECTION
3
EN
D2
1N4148
6
IN
SW ⁵
7 _{FSEL MP1542}
2
FB
T1
COOPER
DRQ73-3R3
D1
1N5819HW-7
VOUT
3.3V
0.5A
C2B
NS
GND
8
SS
GND ^{COMP 1}
C4
22nF
U1 4
C6
C3
NS
1nF
EV1542-SEPIC_S01
EV1542DK-SEPIC-00A BILL OF MATERIALS
Qty Ref
Value Description
2 C1A, C1B 10µF Ceramic Cap, 6.3V, X5R
1
C2A
22µF Ceramic Cap, 6.3V, X5R
1
C3
1nF Ceramic Cap, 50V, X7R
1
C4
22nF Ceramic Cap, 100V, X7R
1
C5
4.7µF Ceramic Cap, 10V, Y5V
2 C6, C2B NS Not Stuffed
1
C7
1µF Ceramic Cap, 10V, X5R
1
D1
Schottky Diode, 40V, 1A
1
D2
Rectifier Diode, 75V, 200mW
1
JP1
3-Pin Connector Header, 0.100
1
L1
3.3µH Transformer, 1.66A
1
R1
16.4kΩ Metal Film Resistor, 1%
1
R2
10kΩ Metal Film Resistor, 1%
1
R3
20kΩ Metal Film Resistor, 5%
2 R4, R5 100kΩ Metal Film Resistor, 5%
1
U1
DC-DC Converter
Package Manufacturer Manufacturer P/N
1210
TDK
C3225X5R1A106K
1210
TDK
C3225X5R0J226M
0805
TDK
C2012X7R1H102K
0805
TDK
C2012X7R2A223M
0805
TDK
C2012Y5V1A475Z
0805
SOD-123
SOD-323
0805
0805
0805
0805
MSOP8
TDK
Diodes Inc
Diodes Inc
Sullins
Cooper
Panasonic
Panasonic
Panasonic
Panasonic
MPS
C2012X5R1A105K
1N5819HW-7
1N4148WS-7
PTC03SAAN
DRQ73-3R3
ERJ-6ENF1642V
ERJ-6ENF1002V
ERJ-6GEYJ203V
ERJ-6GEYJ104V
MP1542DK
EV1542DK-SEPIC-00A Rev. 1.0
www.MonolithicPower.com
2
6/15/2005
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