EV1517DR-00A
3A, 25V, 1.1MHz
Step-Up Converter
EVALUATION BOARD
EV1517DR-00A Rev. 1.0 www.MonolithicPower.com 1
6/8/2005 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2005 MPS. All Rights Reserved.
The Future of Analog IC Technology
TM
TM
GENERAL DESCRIPTION
The EV1517DR-00A is the evaluation board for
the MP1517, a 3A, fixed frequency step-up
converter ideal for medium-to-high current
step-up applications. The high 1.1MHz
switching frequency allows for smaller external
components producing a compact solution for
size constrained cameras, PDAs and cell
phones. The low 0.7V feedback voltage offers
higher efficiency in white LED driver
applications including cell phone camera flash.
The MP1517 regulates the output voltage up to
25V with efficiencies greater than 90%.
Soft-start, cycle-by-cycle current limiting, and
input under voltage lockout prevent
overstressing or damage to sensitive external
circuitry at startup and output short-circuit
conditions. Current-mode regulation and
external compensation components allow the
MP1517 control loop to be optimized over a
wide variety of input voltage, output voltage,
and load current conditions. The MP1517 is
available in the thermally enhanced QFN16
(4mm x 4mm) package.
ELECTRICAL SPECIFICATIONS
Parameter Symbol Value Units
Input Voltage V
IN
5 V
Output Voltage V
OUT
12 V
Output Current I
OUT
1 A
FEATURES
• 4A Peak Current Limit
• Low 700mV Feedback Threshold
• Internal 150m Power Switch
• Input Range of 2.6V to 25V
• Over 90% Efficiency
• Zero Current Shutdown Mode
• Under Voltage Lockout Protection
• Open Load Protection
• Soft-Start Operation
• Thermal Shutdown
• Tiny 4mm x 4mm 16-Pin QFN Package
APPLICATIONS
• Boost and SEPIC Regulators
• Handheld Computers
• Cell Phone Camera Flash, PDAs
• Digital Still and Video Cameras
“MPS” and “The Future of Analog IC Technology”, are Trademarks of Monolithic
Power Systems, Inc.
EV1517DR-00A EVALUATION BOARD
Dimensions (2.0”X x 2.0”Y x 0.4”Z)
Board Number MPS IC Number
EV1517DR-00A MP1517DR
100
95
90
85
80
75
70
65
60
55
50
EFFICIENCY (%)
LOAD CURRENT (mA)
MP1517-EC01
Efficiency vs
Load Current
1 10 100 1000
V
IN
= 5V
V
OUT
= 12V
V
OUT
= 18V
