AS3696-ZQFT

AS3696-ZQFT Datasheet

AS3693B

Part	Datasheet
AS3696-ZQFT	AS3696-ZQFT (pdf)

Related Parts	Information
AS3696-ZTQT	AS3696-ZTQT
AS3696-ZQFM	AS3696-ZQFM

PDF Datasheet Preview
AS3693B austriamicrosystems AS3696 4 channel white LED controller for general lighting applications The AS3696 is a 4 channels precision LED controller with PWM inputs or internal PWM generator for driving external FETs in precise lighting applications. Build in safety features include thermal shutdown as well as open and short LED detection. • 2x2 Channel LED driver • Output current only limited by external FET • Build in shunt regulator • Absolute current accuracy +/- 1% • Channel to channel accuracy +/- 1% • Normal Mode • Linear current control with external voltage • Digital PWM control with PWM input • Build in PWM-generator with analog duty cycle control • Current Boost Mode • Linear current control with external voltage • Digital PWM control with 2 PWM inputs 1 Block Diagram Product specification • Open LED detection and auto-turnoff • Short LED detection and auto-turnoff • Temperature shutdown • 2x automatic supply regulation feedback • Package QFN 32pin 5x5mm, 0.5mm pitch • Package TQFP 32pin 7x7mm, 0.8mm pitch • Commercial, industrial and retail lighting • Streetlights • Large panel LED backlighting Vsupply xFAULT FB12 FB34 V2_5 S1 G1 D1 S2 G2 D2 S3 G3 D3 S4 G4 D4 SMPS feedback Rosc Cosc Vduty CB_PWM12 CB_PWM34 CB_MODE xPD PWM SEL Oscillator PWM control AS3696 Fault detectors Reference Vshort Vfb Vref Vset2 Vset1 EPAD VSS Sel_PPTrim 1 - 14 AS3696 2 Typical Application austriamicrosystems R2 Rfb R1 R2 SMPS1 Rfb R1 SMPS2 Rvdd Vduty PWM SEL Cvdd 2.2uF CB_PWM12 CB_PWM34 CB_MODE PWM controller 6 Ordering information Part Number AS3696-ZQFT AS3696-ZTQT Marking Package Type Delivery Form AS3696 QFN32 Tape and Reel in Dry Pack AS3696 TQFP32 Tape and Reel in Dry Pack Package size = 5x5mm, Pitch = 0.5mm, Pb-free; Package size = 7x7mm, Pitch = 0.8mm, Pb-free; 13 - 14 AS3696 austriamicrosystems Copyright Copyright 1997-2009, austriamicrosystems AG, Schloss Premstaetten, 8141 Unterpremstaetten, Austria-Europe. Trademarks Registered All rights reserved. The material herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. All products and companies mentioned are trademarks or registered trademarks of their respective companies. Disclaimer Devices sold by austriamicrosystems AG are covered by the warranty and patent indemnification provisions appearing in its Term of Sale. austriamicrosystems AG makes no warranty, express, statutory, implied, or by description regarding the information set forth herein or regarding the freedom of the described devices from patent infringement. Austriamicrosystems AG reserves the right to change specifications and prices at any time and without notice. Therefore, prior to designing this product into a system, it is necessary to check with austriamicrosystems AG for current information. This product is intended for use in normal commercial applications. Applications requiring extended temperature range, unusual environmental requirements, or high reliability applications, such as military, medical lifesupport or life-sustaining equipment are specifically not recommended without additional processing by austriamicrosystems AG for each application. For shipments of less than 100 parts the manufacturing flow might show deviations from the standard production flow, such as test flow or test location. The information furnished here by austriamicrosystems AG is believed to be correct and accurate. However, austriamicrosystems AG shall not be liable to recipient or any third party for any damages, including but not limited to personal injury, property damage, loss of profits, loss of use, interruption of business or indirect, special, incidental or consequential damages, of any kind, in connection with or arising out of the furnishing, performance or use of the technical data herein. No obligation or liability to recipient or any third party shall arise or flow out of austriamicrosystems AG rendering of technical or other services. Contact Information Headquarters austriamicrosystems AG A-8141 Schloss Premstätten, Austria T. +43 0 3136 500 0 F. +43 0 3136 5692 For Sales Offices, Distributors and Representatives, please visit: 14 - 14

PDF Datasheet Preview

AS3693B
austriamicrosystems

AS3696
4 channel white LED controller for general lighting applications

The AS3696 is a 4 channels precision LED controller with PWM inputs or internal PWM generator for driving external FETs in precise lighting applications. Build in safety features include thermal shutdown as well as open and short LED detection.
• 2x2 Channel LED driver
• Output current only limited by external FET
• Build in shunt regulator
• Absolute current accuracy +/- 1%
• Channel to channel accuracy +/- 1%
• Normal Mode
• Linear current control with external voltage
• Digital PWM control with PWM input
• Build in PWM-generator with analog duty cycle
control
• Current Boost Mode
• Linear current control with external voltage
• Digital PWM control with 2 PWM inputs
1 Block Diagram

Product specification
• Open LED detection and auto-turnoff
• Short LED detection and auto-turnoff
• Temperature shutdown
• 2x automatic supply regulation feedback
• Package QFN 32pin 5x5mm, 0.5mm pitch
• Package TQFP 32pin 7x7mm, 0.8mm pitch
• Commercial, industrial and retail lighting
• Streetlights
• Large panel LED backlighting

Vsupply
xFAULT FB12 FB34 V2_5

S1 G1 D1 S2 G2 D2

S3 G3 D3

S4 G4 D4

SMPS feedback

Rosc Cosc

Vduty

CB_PWM12 CB_PWM34 CB_MODE
xPD PWM SEL

Oscillator PWM control

AS3696

Fault detectors Reference

Vshort Vfb Vref Vset2 Vset1

EPAD VSS

Sel_PPTrim
1 - 14

AS3696
2 Typical Application
austriamicrosystems

R2 Rfb R1

R2 SMPS1 Rfb R1

SMPS2

Rvdd

Vduty PWM SEL

Cvdd 2.2uF

CB_PWM12 CB_PWM34 CB_MODE

PWM controller
6 Ordering information

Part Number AS3696-ZQFT AS3696-ZTQT

Marking Package Type Delivery Form

AS3696 QFN32

Tape and Reel in Dry Pack

AS3696 TQFP32

Tape and Reel in Dry Pack

Package size = 5x5mm, Pitch = 0.5mm, Pb-free;

Package size = 7x7mm, Pitch = 0.8mm, Pb-free;
13 - 14

AS3696
austriamicrosystems

Copyright

Copyright 1997-2009, austriamicrosystems AG, Schloss Premstaetten, 8141 Unterpremstaetten, Austria-Europe. Trademarks Registered All rights reserved. The material herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner.

All products and companies mentioned are trademarks or registered trademarks of their respective companies.

Disclaimer

Devices sold by austriamicrosystems AG are covered by the warranty and patent indemnification provisions appearing in its Term of Sale. austriamicrosystems AG makes no warranty, express, statutory, implied, or by description regarding the information set forth herein or regarding the freedom of the described devices from patent infringement. Austriamicrosystems AG reserves the right to change specifications and prices at any time and without notice. Therefore, prior to designing this product into a system, it is necessary to check with austriamicrosystems AG for current information. This product is intended for use in normal commercial applications. Applications requiring extended temperature range, unusual environmental requirements, or high reliability applications, such as military, medical lifesupport or life-sustaining equipment are specifically not recommended without additional processing by austriamicrosystems AG for each application. For shipments of less than 100 parts the manufacturing flow might show deviations from the standard production flow, such as test flow or test location. The information furnished here by austriamicrosystems AG is believed to be correct and accurate. However, austriamicrosystems AG shall not be liable to recipient or any third party for any damages, including but not limited to personal injury, property damage, loss of profits, loss of use, interruption of business or indirect, special, incidental or consequential damages, of any kind, in connection with or arising out of the furnishing, performance or use of the technical data herein. No obligation or liability to recipient or any third party shall arise or flow out of austriamicrosystems AG rendering of technical or other services.

Contact Information

Headquarters austriamicrosystems AG A-8141 Schloss Premstätten, Austria

T. +43 0 3136 500 0 F. +43 0 3136 5692

For Sales Offices, Distributors and Representatives, please visit:
14 - 14

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived AS3696-ZQFT Datasheet file may be downloaded here without warranties.

Datasheet ID: AS3696-ZQFT 519707