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Teilenummer | EV1517DR-00B |
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Beschreibung | 1A Sepic Evaluation Board | |
Hersteller | MPS | |
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Gesamt 4 Seiten www.DataSheet4U.com
TM
The Future of Analog IC Technology TM
GENERAL DESCRIPTION
The EV1517DR-00B is a MP1517 evaluation board
that is configured to provide a regulated 3.3V output
at up to 1A from a 3V to 4.2V input. The output
voltage is adjustable by changing resistors on the
evaluation board. The high 1.1MHz switching
frequency allows for smaller external components
producing a compact solution for a wide range of
load currents. 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.
ELECTRICAL SPECIFICATIONS
Parameter
Input Voltage
Output Voltage
Output Current
Symbol
VIN
VOUT
IOUT
Value
3-4.2
3.3
1
Units
V
V
A
EV1517DR-00B
3.3V, 1A Sepic
Evaluation Board
FEATURES
• Provides 3.3V, 1A Output from as Low as
3V Input
• Over 80% Efficiency
• Inherent Output Disconnect at Shutdown Mode
• 1.1MHz Switching Frequency
• 0.5µA Shutdown Current
• Fully Assembled and Tested
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-00B EVALUATION BOARD
(L x W x H) 2.0” x 2.0” x 0.4”
(5cm x 5cm x 1cm)
Board Number
EV1517DR-00B
MPS IC Number
MP1517DR
Efficiency vs
Load Current
90
80 VIN=4.2V
70 VIN=3V
60
VIN=3.6V
50
40
30
20
10
0
1 10 100 1000
LOAD CURRENT (mA)
MP1517-EC01
EV1517DR-00B Rev. 1.0
12/21/2005
www.MonolithicPower.com
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2005 MPS. All Rights Reserved.
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Seiten | Gesamt 4 Seiten | |
PDF Download | [ EV1517DR-00B Schematic.PDF ] |
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