MB39C811 Datasheet, PDF (31/36 Pages) Cypress Semiconductor – Ultra Low Power Buck PMIC Solar/Vibrations Energy Harvesting

Figure 23. Recommended Mounting Conditions
Supplier Tp ≥ Tc
Supplier t_p
T_c
Tc -5°C
User Tp ≤ Tc
User tp
T_p
T_L
T_smax
T_smin
Max. Ramp Up Rate = 3°C/s
Max. Ramp Down Rate = 6°C/s
Preheat Area
t_s
25
Time 25°C to Peak
Time
t_p
T_c -5°C
t_L
Table 17. Recommended Mounting Conditions(J-STD-020D)
(Temperature on the top of the package body is measured.)
TL to TP: Ramp Up Rate
260°C Max.
3°C/s Max.
TS: Preheat & Soak
150 to 200°C, 60 to 120s
TP - tP: Peak Temperature
260°C Down, within 30s
TL – tL: Liquidous Temperature
217°C, 60 to 150s
TP to TL: Ramp Down Rate
6°C/s Max.
Time 25°C to Peak
8min Max.
MB39C811
Document Number: 002-08401 Rev *A
Page 31 of 36