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ADD5203 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - White LED Driver with SMBus and PWM Input - Analog Devices

भाग संख्या ADD5203
समारोह White LED Driver with SMBus and PWM Input
मैन्युफैक्चरर्स Analog Devices 
लोगो Analog Devices लोगो 
पूर्व दर्शन
1 Page
		
<?=ADD5203?> डेटा पत्रक पीडीएफ

ADD5203 pdf
ADD5203
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Circuit Diagram................................................................................ 3
Specifications..................................................................................... 4
Step-Up Switching Regulator Specifications............................. 4
LED Current Regulation Specifications .................................... 4
SMBus Specifications ................................................................... 5
General Specifications ................................................................. 6
Absolute Maximum Ratings............................................................ 7
Thermal Resistance ...................................................................... 7
ESD Caution.................................................................................. 7
Pin Configuration and Function Descriptions............................. 8
Typical Performance Characteristics ............................................. 9
REVISION HISTORY
5/10—Revision 0: Initial Version
www.DataSheet4U.com
Theory of Operation ...................................................................... 11
Current-Mode, Step-Up Switching Regulator Operation..... 11
Internal 3.3 V Regulator ............................................................ 11
Boost Converter Switching Frequency.................................... 11
Dimming Frequency (fPWM) ...................................................... 11
Current Source............................................................................ 11
Dimming Control Interface ...................................................... 11
PWM Dimming Mode .............................................................. 12
Safety Features ............................................................................ 12
SMBus Interface.......................................................................... 13
SMBus Register Description ..................................................... 15
External Component Selection Guide..................................... 17
Layout Guidelines....................................................................... 18
Typical Application Circuits ......................................................... 20
Outline Dimensions ....................................................................... 23
Ordering Guide .......................................................................... 23
Rev. 0 | Page 2 of 24

विन्यास 24 पेज
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अनुशंसा डेटापत्रक

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ADD5201White LED DriverAnalog Devices
Analog Devices
ADD5203White LED Driver with SMBus and PWM InputAnalog Devices
Analog Devices


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