AT1366B
Preliminary Product Information
1MHz,800mA Synchronous Buck Converter
Reflow Profiles
Profile Feature
Sn-Pb Eutectic Assembly
Pb-Free Assembly
Large Body
Pkg. thickness
Small Body
Pkg. thickness
<2.5mm or Pkg.
volume <350mm3
Large Body
Pkg. thickness
2.5mm or Pkg.
volume
350mm3 volume
C/second max.
Small Body
Pkg. thickness
≥
2.5mm or Pkg.
≥
≥
2.5mm or Pkg.
volume
≥
350mm3
≥
≥
350mm3
Average ramp-up rate
3
°
C/second max.
3°
(T to T )
L
P
Preheat
-Temperature Min(Tsmin)
-Temperature Max (Tsmax)
-Time (min to max)(ts)
100
150
°
°
C
C
150
200
°
°
C
C
60-120 seconds
60-180 seconds
Tsmax to T
L
3
°
C/second max.
-Ramp-up Rate
Time maintained above:
-Temperature (T )
-Time (t )
L
183
°
C
217
°C
L
60-150 seconds
60-150 seconds
Peak Temperature(T )
225+0/-5 240+0/-5
°
C
°C
245+0/-5 250+0/-5
°
C
°C
P
10-30 seconds 10-30 seconds
10-30 seconds 20-40 seconds
Time within 5°C of actual Peak
Temperature (t )
P
Ramp-down Rate
6
°
C/second max.
3°
C/second max.
6 minutes max.
8 minutes max.
Time
Temperature
25
°C
to
Peak
*
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
1/18/2006 REV:1.2
Fax: 886-3-563-0879
WWW: http://www.aimtron.com.tw
Email:service@aimtron.com.tw
14
AIMTRON [ AIMTRON TECHNOLOGY ]
