Diodes PAM2811 User Manual

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PAM2811
Document number: DSxxxxx Rev. 1 - 0
1 of 13
www.diodes.com
November 2012
© Diodes Incorporated
PAM2811
A
Product Line o
f
Diodes Incorporated
4-CHANNEL SINGLE-WIRE DIMMING LED DRIVE
with ULTRA LOW DROPOUT CURRENT SINK
Description
The PAM2811 provides 4 regulated current sinks, capable of sinking
up to 20mA current to accommodate 4 white LEDs. It requires no
charge pump, has no noise and EMI, and significantly improves the
efficiency in Li battery range.
LED brightness can be controlled by single-wire dimming
techniques. The constant current sink is set by16-step.
The PAM2811 is available in QFN3x3-16L, MSOP-8L, SOT23-8L
and DFN2x2-8L packages.
Features
Support up to 4 LEDs
LED Sink Current 20mA
Low Dropout Voltage
Low Quiescent Supply Current:270µA(typ)
No Noise and EMI
Shutdown Current Less than 1µA
Over Temperature Protection
16-Step Brightness Control
Small Package: QFN3x3-16L,MSOP-8L SOT23-8L,
DFN2X2-8L
Pb-free Package
Applications
Mobile Phone
Digital Camera
PDA MP3
Pin Assignments
Typical Applications Circuit
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Summary of Contents

Page 1 - © Diodes Incorporated

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Page 2 - Pin Descriptions

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Page 3 - Functional Block Diagram

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Page 4

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Page 5

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Page 6 - Application Information

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Page 7

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Page 8 - Marking Information

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Page 9 - 3. DAP is 1.90 x 1.90mm

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Page 10

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Page 11

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Page 12

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Page 13 - Diodes Incorporated

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