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AS3693E-16 Datasheet(PDF) 3 Page - ams AG

Part # AS3693E-16
Description  16 Channel LED driver
Download  33 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS3693E-16 Datasheet(HTML) 3 Page - ams AG

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AS3693E
aust ri am i cros yst ems
www.austriamicrosystems.com
Revision 1.5 /
2009-12-21
3 - 33
Table of Contents
1
General Description ....................................................................................................................................... 1
2
Key Features.................................................................................................................................................. 1
3
Applications.................................................................................................................................................... 1
4
Block Diagram................................................................................................................................................ 2
5
Characteristics ............................................................................................................................................... 4
5.1
Absolute Maximum Ratings .................................................................................................................... 4
5.2
Operating Conditions .............................................................................................................................. 5
5.3
Electrical Characteristics......................................................................................................................... 5
6
Typical Operation Characteristics .................................................................................................................. 7
6.1
Output current vs Output Voltage ........................................................................................................... 7
6.2
Vsupply vs VREG and V2.5 at startup .................................................................................................... 7
6.3
9us Slew Rate......................................................................................................................................... 8
6.4
Supply Regulation................................................................................................................................... 8
7
Block Description ........................................................................................................................................... 9
7.1
Feedback Circuit..................................................................................................................................... 9
7.1.1
Feedback Selection ....................................................................................................................... 10
7.1.2
Voltage fault registers .................................................................................................................... 11
7.2
Curreg 1-16........................................................................................................................................... 11
7.3
PWM – modes ...................................................................................................................................... 13
7.3.1
PWM mode (PWM_MODE = 00) ................................................................................................... 13
7.3.2
ASYNC – mode (PWM_MODE = 01) ............................................................................................ 13
7.4
PWM – high time, period and delay registers ....................................................................................... 15
7.5
Shunt Regulator .................................................................................................................................... 16
7.5.1
Undervoltage lockout ..................................................................................................................... 16
7.6
Over temperature control ...................................................................................................................... 16
Device address setup ...................................................................................................................................... 17
7.6.1
I2C Device Address setup ............................................................................................................. 17
7.6.2
SPI Device Address setup ............................................................................................................. 17
7.7
Digital interface ..................................................................................................................................... 18
7.7.1
I2C interface .................................................................................................................................. 18
7.7.2
SPI interface .................................................................................................................................. 20
8
Register map................................................................................................................................................ 22
9
Pinout and Packaging .................................................................................................................................. 25
9.1
Pinout.................................................................................................................................................... 25
9.2
Package drawing epTQFP64................................................................................................................ 27
9.3
Package drawing QFN64..................................................................................................................... 29
10 Ordering Information .................................................................................................................................... 32
Copyright............................................................................................................................................................. 33
Disclaimer ........................................................................................................................................................... 33
Contact Information............................................................................................................................................. 33


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