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ADD5201 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - White LED Driver - Analog Devices

भाग संख्या ADD5201
समारोह White LED Driver
मैन्युफैक्चरर्स Analog Devices 
लोगो Analog Devices लोगो 
पूर्व दर्शन
1 Page
		
<?=ADD5201?> डेटा पत्रक पीडीएफ

ADD5201 pdf
ADD5201
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Block Diagram .................................................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Functional Block Diagram .............................................................. 3
Specifications..................................................................................... 4
Step-Up Switching Regulator Specifications............................. 4
LED Current Regulation Specifications .................................... 4
SMBus Specifications ................................................................... 5
General Specifications ................................................................. 5
Absolute Maximum Ratings............................................................ 6
Thermal Resistance ...................................................................... 6
ESD Caution.................................................................................. 6
Pin Configuration and Function Descriptions............................. 7
Typical Performance Characteristics ............................................. 8
Theory of Operation ...................................................................... 10
REVISION HISTORY
4/12—Revision A: Initial Version
Data Sheet
Current Mode, Step-Up Switching Regulator Operation ..... 10
Internal 3.3 V Regulator ............................................................ 10
Boost Converter Switching Frequency.................................... 10
Dimming Frequency (fPWM) Adjustment................................. 10
Current Source............................................................................ 10
Backlight Brightness Control.................................................... 11
PWM Dimming Mode .............................................................. 11
DC Current Dimming Mode.................................................... 12
Safety Features ............................................................................ 12
SMBus Interface.......................................................................... 13
SMBus Register Description ..................................................... 14
External Component Selection Guide..................................... 16
Layout Guidelines....................................................................... 17
Typical Application Circuits ......................................................... 18
Outline Dimensions ....................................................................... 20
Ordering Guide............................................................................... 20
Rev. A | Page 2 of 20
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डाउनलोड[ ADD5201 Datasheet.PDF ]


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अनुशंसा डेटापत्रक

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