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LTC3675-1 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - 7-Channel Configurable High Power PMIC - Linear Technology

भाग संख्या LTC3675-1
समारोह 7-Channel Configurable High Power PMIC
मैन्युफैक्चरर्स Linear Technology 
लोगो Linear Technology लोगो 
पूर्व दर्शन
1 Page
		
<?=LTC3675-1?> डेटा पत्रक पीडीएफ

LTC3675-1 pdf
LTC3675/LTC3675-1
Table of Contents
Features............................................................................................................................. 1
Applications........................................................................................................................ 1
Typical Application................................................................................................................ 1
Description......................................................................................................................... 1
Absolute Maximum Ratings...................................................................................................... 3
Order Information.................................................................................................................. 3
Pin Configuration.................................................................................................................. 3
Electrical Characteristics......................................................................................................... 4
Typical Performance Characteristics........................................................................................... 8
Pin Functions......................................................................................................................14
Block Diagram.....................................................................................................................16
Operation.......................................................................................................................... 17
Buck Switching Regulator ..................................................................................................................................... 17
Buck Regulators with Combined Power Stages..................................................................................................... 17
Boost Switching Regulator.................................................................................................................................... 18
Buck-Boost Switching Regulator........................................................................................................................... 18
LED Driver............................................................................................................................................................. 18
Pushbutton Interface and Power-Up Power-Down Sequencing............................................................................. 19
Power-Up and Power-Down via Pushbutton.......................................................................................................... 19
Power-Up and Power-Down via Enable Pin or I2C.................................................................................................. 21
LED Current Programming.................................................................................................................................... 21
I2C Interface........................................................................................................................................................... 21
Error Condition Reporting via
RSTB and IRQB Pins.............................................................................................................................................. 24
Undervoltage and Overtemperature Functionality.................................................................................................. 25
Applications Information........................................................................................................26
Switching Regulator Output Voltage and Feedback Network................................................................................. 26
Buck Regulators.................................................................................................................................................... 26
Combined Buck Regulators................................................................................................................................... 26
Boost Regulator..................................................................................................................................................... 27
Buck-Boost Regulator............................................................................................................................................ 28
LED Driver............................................................................................................................................................. 28
Operating the LED Driver As a High Voltage Boost Regulator................................................................................ 29
Input and Output Decoupling Capacitor Selection.................................................................................................. 29
Choosing the CT Capacitor .................................................................................................................................... 30
Programming the UVOT Register.......................................................................................................................... 30
Programming the RSTB and IRQB Mask Registers............................................................................................... 30
Status Byte Read Back .......................................................................................................................................... 31
PCB Considerations............................................................................................................................................... 31
Typical Applications..............................................................................................................33
Package Description.............................................................................................................36
Revision History..................................................................................................................37
Typical Application...............................................................................................................38
Related Parts......................................................................................................................38
36751fc
2 For more information www.linear.com/LTC3675
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