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ADD5207 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - White LED Driver - Analog Devices

भाग संख्या ADD5207
समारोह White LED Driver
मैन्युफैक्चरर्स Analog Devices 
लोगो Analog Devices लोगो 
पूर्व दर्शन
1 Page
		
<?=ADD5207?> डेटा पत्रक पीडीएफ

ADD5207 pdf
ADD5207
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Typical Application Circuit ............................................................. 1
Revision History ............................................................................... 2
Functional Block Diagram .............................................................. 3
Specifications..................................................................................... 4
Step-Up Switching Regulator Specifications............................. 4
LED Current Regulation Specifications .................................... 5
General Specifications ................................................................. 6
Absolute Maximum Ratings............................................................ 7
Thermal Resistance ...................................................................... 7
ESD Caution.................................................................................. 7
Pin Configuration and Function Descriptions............................. 8
REVISION HISTORY
2/12—Rev. Sp0 to Rev. A
Replaced Block Diagram with Typical Application Circuit........ 1
Changes to Features Section and General Description Section . 1
Changes to Current Mode, Step-Up Switching Regulator
Operation Section, Boost Converter Switching Frequency
Section, PWM Dimming Mode Section, Phase Shift PWM
Dimming Section, and Safety Features Section.......................... 11
Data Sheet
Typical Performance Characteristics ..............................................9
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
PWM Dimming Mode .............................................................. 11
Safety Features ............................................................................ 11
External Component Selection Guide..................................... 12
Layout Guidelines....................................................................... 13
Typical Application Circuits ......................................................... 15
Outline Dimensions ....................................................................... 16
Ordering Guide .......................................................................... 16
Changes to Overvoltage Protection (OVP) Section .................. 11
Changes to Open-Loop Protection (OLP) Section,
Undervoltage Lockout (UVLO) Section, and Thermal
Protection Section .......................................................................... 12
Changeshttp://www.DataSheet4U.net/ to Layout Guidelines Section ........................................ 13
7/09—Revision Sp0: Initial Version
Rev. A | Page 2 of 16
datasheet pdf - http://www.DataSheet4U.net/

विन्यास 16 पेज
डाउनलोड[ ADD5207 Datasheet.PDF ]


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