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參數資料
| 型號： | LA4420 |
| 文件頁數： | 8/8頁 |
| 文件大小： | 161K |
| 代理商： | LA4420 |
T.S.D is capable of starting operation at Tc 120 to 130°C. When this is converted to junction temperature (Tj) according to the
formula below.
Tj
6
165°C,
Tj = Qjc
v
Pd + Tc
As T.S.D operation progresses, the output pin bias voltage drops, and it becomes harder to drive the upper waveform. Therefore,
the current (I
CC
) and power (P
O
) show a tendency to decrease.
Proper Cares in Mounting Radiator Fin
1.
2.
3.
The mounting torque is in the range of 39 to 59 N
v
cm.
The distance between screw holes of the radiator fin must coincide with the distance between screw holes of the IC.
The screw to be used must have a head equivalent to the one of truss machine screw or binder machine screw defined by JIS.
Washers must be also used to protect the IC case.
No foreign matter such as cutting particles shall exist between heat sink and radiator fin. When applying grease on the
junction surface, it must be applied uniformly on the whole surface.
Because the heatsink mounting tab and the heatsink are at the same electric potential as the chip’s GND, care must be taken
when mounting the heatsink on more than one device.
IC lead pins are soldered to the printed circuit board after the radiator fin is mounted on the IC.
4.
5.
6.
No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace equipment,
nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of which may directly or
indirectly cause injury, death or property loss.
Anyone purchasing any products described or contained herein for an above-mentioned use shall:
1
Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors
and all their officers and employees, jointly and severally, against any and all claims and litigation and all damages, cost and
expenses associated with such use:
2
Not impose any responsibility for any fault or negligence which may be cited in any such claim or litigation on SANYO
ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of their officers and employees jointly or severally.
Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume
production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use
or any infringements of intellectual property rights or other rights of third parties.
This catalog provides information as of June, 1996 . Specifications and information herein are subject to change without notice.
LA4425A
No.3309-8/8
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