Part Number
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LM3509 |
Manufacturer
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Texas Instruments |
Description
|
High Efficiency Boost |
Published
|
Jun 15, 2020 |
Detailed Description
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LM3509
www.ti.com
SNVS495D – FEBRUARY 2007 – REVISED MAY 2013
LM3509 High Efficiency Boost for White LED's and/or OLE...
|
Datasheet
|
LM3509
|
Overview
LM3509
www.
ti.
com
SNVS495D – FEBRUARY 2007 – REVISED MAY 2013
LM3509 High Efficiency Boost for White LED's and/or OLED Displays with Dual Current Sinks and I2C Compatible Brightness Control
Check for Samples: LM3509
FEATURES
1
•2 Integrated OLED Display Power Supply and LED Driver
• Drives up to 10 LED’s at 30mA • Drives up to 5 LED’s at 20mA and Delivers up
to 21V at 40mA • Over 90% Efficient • 32 Exponential Dimming Steps • 0.
15% Accurate Current Matching Between
Strings • Internal Soft-Start Limits Inrush Current • True Shutdown Isolation for LED’s • Wide 2.
7V to 5.
5V Input Voltage Range • 21V Over-Voltage Protection • 1.
27MHz Fixed Frequency Operation • Low Profile 10-Pin WSON Packag...
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