MC7731N6 Datasheet, PDF (9/10 Pages) Cystech Electonics Corp. – Current Mode PWM Controller

CYStech Electronics Corp.
Spec. No. : C494N6
Issued Date : 2012.04.02
Revised Date :
Page No. : 9/10
Recommended wave soldering condition
Product
Peak Temperature
Pb-free devices
260 +0/-5 °C
Soldering Time
5 +1/-1 seconds
Recommended temperature profile for IR reflow
Profile feature
Sn-Pb eutectic Assembly
Pb-free Assembly
Average ramp-up rate
(Tsmax to Tp)
3°C/second max.
3°C/second max.
Preheat
−Temperature Min(TS min)
100°C
150°C
−Temperature Max(TS max)
−Time(ts min to ts max)
150°C
60-120 seconds
200°C
60-180 seconds
Time maintained above:
−Temperature (TL)
183°C
217°C
− Time (tL)
60-150 seconds
60-150 seconds
Peak Temperature(TP)
240 +0/-5 °C
260 +0/-5 °C
Time within 5°C of actual peak
temperature(tp)
10-30 seconds
20-40 seconds
Ramp down rate
6°C/second max.
6°C/second max.
Time 25 °C to peak temperature
6 minutes max.
8 minutes max.
Note : All temperatures refer to topside of the package, measured on the package body surface.
MC7731N6
CYStek Product Specification