AT1314
Preliminary Product Information
High-Efficiency Step-Down
Current Regulator For LEDs
Reflow Profiles
Profile Feature
Sn-Pb Eutectic Assembly
Large Body Small Body
Pb-Free Assembly
Large Body
Pkg. thickness
Small Body
Pkg. thickness Pkg. thickness
Pkg. thickness
<2.5mm or Pkg.
volume
≥2.5mm or Pkg.
volume
≥2.5mm or Pkg. ≥2.5mm or Pkg.
volume ≥350mm3
volume
<350mm3
≥350mm3
≥350mm3
Average ramp-up rate
(T to T )
3°C/second max.
3°C/second max.
L
P
Preheat
-Temperature Min(Tsmin)
-Temperature Max (Tsmax)
-Time (min to max)(ts)
100°C
150°C
150°C
200°C
60-120 seconds
60-180 seconds
3°C/second max.
Tsmax to T
L
-Ramp-up Rate
Time maintained above:
-Temperature (T )
L
183°C
217°C
60-150 seconds
60-150 seconds
-Time (t )
L
Peak Temperature(T )
P
225+0/-5°C
10-30 seconds
240+0/-5°C
10-30 seconds
245+0/-5°C
10-30 seconds
250+0/-5°C
20-40 seconds
Time within 5°C of actual
Peak Temperature (t )
P
Ramp-down Rate
6°C/second max.
6 minutes max.
3°C/second max.
8 minutes max.
Time 25°C to Peak
Temperature
*All temperatures refer to topside of the package, measured on the package body surface.
7F, No.9, PARK AVENUE II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
1/17/2006 REV:1.0
Fax: 886-3-563-0879
WWW: http://www.aimtron.com.tw
Email: service@aimtron.com.tw
12
GMT [ GLOBAL MIXED-MODE TECHNOLOGY INC ]
