mp1517dr MPS, mp1517dr Datasheet
mp1517dr
Manufacturer Part Number
mp1517dr
Description
3a, 25v, 1.1mhz Step-up Converter
Manufacturer
MPS
Datasheet
1.MP1517DR.pdf
(13 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
mp1517dr-LF-Z
Manufacturer:
PANASONIC
Quantity:
9 646
The Future of Analog IC Technology
DESCRIPTION
The MP1517 is a 3A, fixed frequency step-up
converter ideal for medium-to-high current
step-up, flyback and SEPIC 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 as high as 95%.
Soft-start, cycle-by-cycle current limiting, and
input
overstressing or damage to sensitive external
circuitry at startup and output short-circuit
conditions.
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.
EVALUATION BOARD REFERENCE
TYPICAL APPLICATION
MP1517 Rev. 1.4
9/21/2007
OFF ON
V
5V
Board Number
IN
EV0043
under
10nF
C4
Current-mode
10nF
voltage
C5
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
15
4
3
7
2.5”X x 2.0”Y x 0.4”Z
EN
SS
BP
OLS
SGND
lockout
MP1517
Dimensions
5, 13
regulation
IN
8
PGND
COMP
11, 12
SW
FB
© 2007 MPS. All Rights Reserved.
prevent
9, 10
16
1
www.MonolithicPower.com
and
C3
10nF
MBR320
D1
C6
OPTIONAL
FEATURES
•
•
•
•
•
•
•
•
•
•
•
APPLICATIONS
•
•
•
•
“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of
Monolithic Power Systems, Inc.
MP1517_TAC_S01
4A Peak Current Limit
Low 700mV Feedback Threshold
Internal 150mΩ Power Switch
Input Range of 2.6V to 25V
Up to 95% 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
Boost and SEPIC Regulators
Handheld Computers
Cell Phone Camera Flash, PDAs
Digital Still and Video Cameras
V
12V
OUT
100
95
90
85
80
75
70
65
60
55
50
1
Efficiency vs
Load Current
Step-Up Converter
LOAD CURRENT (mA)
V
OUT
3A, 25V, 1.1MHz
10
V
OUT
= 12V
MP1517
= 18V
100
V
IN
= 5V
MP1517-EC01
1000
1
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