AT1367A Datasheet, PDF (14/14 Pages) Aimtron Technology – 1MHz, 800mA Synchronous Buck Converter With Power Good Detector & LDO

AT1367A/B/C/D
Preliminary Product Information
1MHz, 800mA Synchronous Buck Converter
With Power Good Detector & LDO
Reflow Condition (IR/Convection or VPR Reflow)
Classification Reflow Profiles
Profile Feature
Average ramp-up rate
(TL to TP)
Preheat
-Temperature Min(Tsmin)
-Temperature Max (Tsmax)
-Time (min to max)(ts)
Time maintained above:
-Temperature (TL)
-Time (tL)
Peak/Classification Temperature(TP)
Time within 5°C of actual Peak
Temperature (tP)
Ramp-down Rate
Time 25°C to Peak Temperature
Sn-Pb Eutectic Assembly
3°C/second max.
100°C
150°C
60-120 seconds
183°C
60-150 seconds
See table 1
10-30 seconds
6°C/second max.
6 minutes max.
Pb-Free Assembly
3°C/second max.
150°C
200°C
60-180 seconds
217°C
60-150 seconds
See table 2
10 seconds max.
6°C/second max.
8 minutes max.
*All temperatures refer to topside of the package, measured on the package body surface.
Classification Reflow Profiles(Cont.)
Table 1. SnPb Entectic Process –Package Peak Reflow Temperatures
Package Thickness
<2.5mm
≥2.5mm
Volume mm³<350
240+0/-5℃
225+0/-5℃
Volume mm³â‰¥350
225+0/-5℃
225+0/-5℃
Table 2. Pb-free Process –Package Classification Reflow Temperatures
Package Thickness
<1.6mm
1.6mm - 2.5mm
≥2.5mm
Volume mm³<350
260+0℃
260+0℃
250+0℃
Volume mm³ 350-2000
260+0℃
250+0℃
245+0℃
Volume mm³>2000
260+0℃
245+0℃
245+0℃
*Tolerance: The device manufacturer/supplier shall assure process compatibility up to and
including the stated classification temperature (this means Peak reflow temperature +0˚С. For
example 260˚С+0˚С) at the rated MSL level.
7F, No.9, Park Avenue II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: [phone] Fax: [phone]
WWW: http://www.aimtron.com.tw
3/2/2006 REV:1.2
Email: [e-mail]
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