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MP3308 Datasheet(PDF) 6 Page - Monolithic Power Systems

Part # MP3308
Description  Step-up White LED Driver with Dual PWM Dimming Input Control
PDF  13 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP3308 Datasheet(HTML) 6 Page - Monolithic Power Systems

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MP3308 – STEP-UP WHITE LED DRIVER WITH DUAL PWM DIMMING INPUT CONTROL
MP3308 Rev. 1.02
www.MonolithicPower.com
6
7/19/2012
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2012 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS
VIN =5V, 3 LEDs in series, 9 strings parallel, 120mA/string, unless otherwise noted.
VSW
5V/div.
VOUT
5V/div.
VIN
5V/div.
IL
500mA/div.
VSW
5V/div.
VOUT
5V/div.
VEN
5V/div.
WLED
Current
100mA/div.
Steady State Operation
EN Power On
VSW
5V/div.
VOUT
5V/div.
VIN
5V/div.
WLED
Current
100mA/div.
VSW
5V/div.
VOUT
5V/div.
VEN
5V/div.
WLED
Current
100mA/div.
VIN Power On
EN Shut Down
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5.5
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6.5
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VIN (V)
PWMIA/B DUTY CYCLE
PWMIA DUTY CYCLE
PWMIB DUTY CYCLE
Efficiency vs. VIN
PWMIA Dimming Duty vs.
WLED Current
PWMIB Dimming Duty vs.
WLED Current
PWMIA*DPWMIB vs.
WLED Current
VSW
5V/div.
VOUT
5V/div.
VIN
5V/div.
WLED
Current
100mA/div.
VIN Shut Down



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