AT1729 Datasheet, PDF (8/8 Pages) List of Unclassifed Manufacturers – 3-Channel PWM Controller for LCD Bias

AT1729
Preliminary
3-Channel PWM Controller for LCD Bias
Reflow Condition (IR/Convection or VPR Reflow)
Reference JEDEC Standard J-STD-020A
Classification Reflow Profiles
Convection or
IR/Convction
VPR
Average Heating Rate(180°C to peak)
5°C/second max.
Preheat Temperature(125±20°C)
120 seconds max.
Temperature maintained above 180°C
10~150 seconds
Time within 5°C of actual Peak 10~20 seconds
Temperature
Peak Temperature Range(Note 1)
219~225°C or
235~240°C
Cooling Rate
6°C /second max.
Time 25°C to Peak Temperature
6 minutes max.
10°C/second max.
60 seconds
219~225°C or
235~240°C
10°C/second max.
*1 The maximum peak temperatures for IR and VP reflow are depending on package dimensions.
Package Reflow Conditions
Pkg. Thickness ≥2.5mm Pkg. Thickness <2.5mm Pkg. Thickness <2.5mm
and all bags
and
and
Pkg. Volume ≥350 mm3 Pkg. Volume <350 mm3
Convection 219~225°C
VPR 219~225°C
IR/Convection 219~225°C
Convection 235~240°C
VPR 235~240°C
IR/Convection 235~240°C
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: [phone]
WWW: http://www.aimtron.com.tw
Fax: [phone]
Email: [e-mail]
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