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EV24183DQ-00B

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型号: EV24183DQ-00B
PDF文件:
  • EV24183DQ-00B PDF文件
  • EV24183DQ-00B PDF在线浏览
功能描述: 1A, 55V, Programmable Frequency White LED Driver Evaluation Board
PDF文件大小: 259.57 Kbytes
PDF页数: 共5页
制造商: MPS[Monolithic Power Systems]
制造商LOGO: MPS[Monolithic Power Systems] LOGO
制造商网址: http://www.monolithicpower.com
捡单宝EV24183DQ-00B
PDF页面索引
120%
EV24183DQ-00C
1A, 55V, Programmable Frequency
White LED Driver Evaluation Board
EV24183DQ-00C Rev.1.0 www.MonolithicPower.com 1
12/18/2013 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
The Future of Analog IC Technology
DESCRIPTION
The MP24183 is a 55V, 1A, white LED driver
suitable for either step-down or inverting
step-up/down applications. It achieves 1A peak
output current over a wide input supply range
with excellent load and line regulation. Current
mode operation provides fast transient
response and eases loop stabilization. Fault
condition protection includes thermal shutdown,
cycle-by-cycle peak current limiting, input over
voltage protection, open strings protection and
output short circuit protection.
The MP24183 incorporates both DC and PWM
dimming onto a single control pin. The separate
input reference ground pin allows for direct
enable and/or dimming control for a positive to
negative power conversion.
The MP24183 requires a minimum number of
readily available standard external components
and is available in 10-pin 3mm x 3mm QFN
packages.
MP24183DQ DEMO BOARDS
Board number
Operating
Mode
Input
(V)
LED#
ILED
(mA)
EV24183DQ-00A Buck 15~50 3 700
EV24183DQ-00B Buck-boost 12 3~5 500
EV24183DQ-00C Boost 12 6~9 500
ELECTRICAL SPECIFICATIONS
Parameter Symbol Value Units
Input Voltage V
IN
12 V
LEDs # 6~9
LED Current I
LED
500 mA
FEATURES
1A Maximum Output Current
Unique Step-up/down Operation (Buck-
Boost Mode)
Wide 4.5V to 55V Operating Input Range for
Step-Down Applications (Buck Mode)
0.28 Internal Power MOSFET Switch
Adjustable Switching Frequency
Analog and PWM Dimming
0.198V Reference Voltage
5μA Shutdown Mode
No minimum LED required
Stable with Low ESR Output Ceramic
Capacitors
Cycle-by-Cycle Over Current Protection
Thermal Shutdown Protection
Open Strings Protection
Input Over Voltage Protection
Output Short Circuit Protection
Available in 10-Pin 3x3 QFN Package
APPLICATIONS
General LED Illuminations
LCD Backlight Panels
Handheld Computers
Automotive Internal Lighting
Portable Multimedia Players
Portable GPS Devices
All MPS parts are lead-free and adhere to the RoHS directive. For MPS green
status, please visit MPS website under Quality Assurance. “MPS” and “The
Future of Analog IC Technology” are Registered Trademarks of Monolithi
c
Power Systems, Inc.
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