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MPS

MP3310N Datasheet Preview

MP3310N Datasheet

White LED Driver

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The Future of Analog IC Technology
DESCRIPTION
The MP3310N is a monolithic step-up converter
designed for driving arrays of WLEDs from a
wide input supply range. The MP3310N uses
current mode, fixed frequency architecture to
regulate the LED current to user programmed
value set by an external current setting resistor.
The switching frequency is also programmable
with an external resistor.
The MP3310N features true PWM dimming,
which allows the flexible control of the
backlighting luminance under wide range of the
ambient brightness.
The MP3310N is turned off if an over-voltage
condition is present due to an open circuit
condition. Use one external resistor voltage
divider to program OVP threshold. The
MP3310N also includes under-voltage lockout,
current limiting and thermal overload protection
preventing damage in the event of an output
overload.
The MP3310N is available in small 10-pin QFN
3x3mm package.
TYPICAL APPLICATION
MP3310N
50V, 1.3A, Step-up
White LED Driver
with True PWM Dimming
FEATURES
Internal 0.3Power MOSFET
Wide 4.5V to 25V Operating Input Range
Drives up to 12 Series White LEDs
Up to 93% Efficiency
True PWM Dimming
Adjustable Switching Frequency
Adjustable Open Load Protection Voltage
Internal 1.3A Current Limit
UVLO, Thermal Shutdown
Available in 3mm x 3mm QFN10 Package
APPLICATIONS
LCD Panels
Digital Picture Frames
Handheld Computers and PDAs
Digital Still Cameras
Small LCD Displays
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 Monolithic
Power Systems, Inc.
VIN vs. Efficiency
100
95
90
85
80
75
70
4 8 12 16 20 24
VIN(V)
MP3310N Rev.1.0
www.MonolithicPower.com
1
12/2/2014
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2014 MPS. All Rights Reserved.




MPS

MP3310N Datasheet Preview

MP3310N Datasheet

White LED Driver

No Preview Available !

MP3310N—50V, 1.3A, STEP-UP WHITE LED DRIVER WITH TRUE PWM DIMMING
ORDERING INFORMATION
Part Number*
MP3310NGQ
Package
QFN-10 (3mm x 3mm)
Top Marking
ALB
* For Tape & Reel, add suffix –Z (e.g. MP3310NGQ–Z);
PACKAGE REFERENCE
ABSOLUTE MAXIMUM RATINGS (1)
VIN................................................ -0.3V to +30V
VSW, VLED...................................... -0.3V to +50V
All Other Pins.............................. -0.3V to +6.3V
Continuous Power Dissipation (TA = +25°C) (2)
............................................................ 2.5W
Junction Temperature .............................. 150°C
Lead Temperature ................................... 260°C
Storage Temperature............... -65°C to +150°C
Recommended Operating Conditions (3)
Supply Voltage VIN .......................... 4.5V to 25V
Operating Junc Temp TJ .......... -20°C to +125°C
Thermal Resistance (4) θJA θJC
QFN-10 (3mm x 3mm) ..........50 ...... 12 ...°C/W
Notes:
1) Exceeding these ratings may damage the device.
2) The maximum allowable power dissipation is a function of the
maximum junction temperature TJ(MAX), the junction-to-
ambient thermal resistance θJA, and the ambient temperature
TA. The maximum allowable continuous power dissipation at
any ambient temperature is calculated by PD(MAX)=(TJ(MAX)-
TA)/ θJA. Exceeding the maximum allowable power dissipation
will cause excessive die temperature, and the regulator will go
into thermal shutdown. Internal thermal shutdown circuitry
protects the device from permanent damage.
3) The device is not guaranteed to function outside of its
operation conditions.
4) Measured on JESD51-7 4-layer board.
MP3310N Rev.1.0
www.MonolithicPower.com
2
12/2/2014
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2014 MPS. All Rights Reserved.


Part Number MP3310N
Description White LED Driver
Maker MPS
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MP3310N Datasheet PDF






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