AS1109-BQFR austriamicrosystems, AS1109-BQFR Datasheet - Page 2

• Manufacturer Part Number: AS1109-BQFR
• Description: IC LED 4-BIT CC DRIVER 16-QFN
• Manufacturer: austriamicrosystems
• Type: General Purposer

Specifications of AS1109-BQFR

• Constant Current: *
• Constant Voltage: *
• Topology: *
• Number Of Outputs: *
• Internal Driver: *
• Type - Primary: *
• Type - Secondary: *
• Frequency: *
• Voltage - Supply: *
• Voltage - Output: *
• Mounting Type: Surface Mount
• Package / Case: 16-WQFN
• Operating Temperature: *
• Current - Output / Channel: *
• Internal Switch(s): Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Efficiency: -

AS1109
Datasheet
Contents
1 General Description
2 Key Features
3 Applications
4 Pinout
5 Absolute Maximum Ratings
6 Electrical Characteristics
7 Typical Operating Characteristics
8 Detailed Description
9 Application Information
10 Package Drawings and Markings
11 Ordering Information
www.austriamicrosystems.com/LED-Driver-ICs/AS1109
Pin Assignments
Pin Descriptions
Switching Characteristics
Serial Interface
Timing Diagrams
Error-Detection Mode
Global Error Mode
Error Detection Functions
Detailed Error Reports
Shutdown Mode
Error Detection
Cascading Devices
Constant Current
Adjusting Output Current .......................................................................................................................................................................... 19
Package Power Dissipation
Delayed Outputs
Switching-Noise Reduction
Load Supply Voltage
Open-LED Detection ........................................................................................................................................................................... 12
Shorted-LED ....................................................................................................................................................................................... 12
Overtemperature ................................................................................................................................................................................. 12
Detailed Temperature Warning Report ............................................................................................................................................... 13
Detailed Open-LED Error Report ........................................................................................................................................................ 14
Detailed Shorted-LED Error Report .................................................................................................................................................... 15
Low-Current Diagnostic Mode ............................................................................................................................................................ 15
Error Detection On-The-Fly ................................................................................................................................................................ 17
Error Detection with Low-Current Diagnosis Mode ............................................................................................................................. 17
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