LT8920 datasheet(50/51 Pages) ETC2

部品番号	LT8920

部品情報	Long range 2.4GHz Radio Transceiver

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LT8920 Datasheet V1.1

Page 50

Jan. 2017

13. IR Reflow Standard

Follow : IPC/JEDEC J-STD-020 B

Condition :

Average ramp-up rate (183ºC to peak): 3 ºC/sec. max.

Preheat: 100~150ºC

60~120sec

Temperature maintained above 183ºC: 60~150 seconds

Time within 5ºC of actual peak temperature: 10 ~ 30 sec.

Peak temperature:

240+0/-5 ºC

Ramp-down rate: 6 ºC/sec. max.

Time 25ºC to peak temperature: 6 minutes max.

Cycle interval: 5 minutes

Figure 18. IR Reflow Diagram

60 ~ 120 sec.

60 ~ 150 sec.

10~30 sec

Peak:

240+0/-5 ºC

Ramp down rate:

Max. 6ºC/sec

Slope: Max 3ºC/sec.

(183ºC to peak)

183ºC

25ºC

Preheat: 100 ~ 150ºC

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