MB39C308 Datasheet, PDF (57/60 Pages) Fujitsu Component Limited. – 6ch DC/DC Converter IC for LPIA Platform VR

MB39C308
■ MB39C308BGF
RECOMMENDED CONDITIONS OF MOISTURE SENSITIVITY LEVEL
[Fujitsu Microelectronics Recommended Mounting Conditions]
Item
Condition
Mounting Method
Mounting times
Storage period
Storage conditions
IR (infrared reflow) , Manual soldering (partial heating method)
2 times
Before opening
Please use it within two years after
Manufacture.
From opening to the 2nd
reflow
Less than 6 days
When the storage period after
opening was exceeded
Please processes within 6 days
after baking (125 °C, 24H)
5 °C to 30 °C, 70%RH or less (the lowest possible humidity)
[Temperature Profile for FJ Standard IR Reflow]
(1) IR (infrared reflow)
M rank : 250 °C Max
250 °C
245 °C
Main heating
170 °C
to
190 °C
RT
(b)
(c) (d)
(e)
(a)
(d')
(a) Temperature Increase gradient : Average 1 °C/s to 4 °C/s
(b) Preliminary heating
: Temperature 170 °C to 190 °C, 60 s to 180 s
(c) Temperature Increase gradient : Average 1 °C/s to 4 °C/s
(d) Actual heating
: Temperature 250 °C Max; 245 °C or more, 10 s or less
(d’)
: Temperature 230 °C or more, 40 s or less
or
Temperature 225 °C or more, 60 s or less
or
Temperature 220 °C or more, 80 s or less
(e) Cooling
: Natural cooling or forced cooling
Note : Temperature : the top of the package body
(2) Manual soldering (partial heating method)
Conditions : Temperature 400 °C Max
Times : 5 s max/pin
DS04-27261-6E
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