la4630n Sanyo Semiconductor Corporation, la4630n Datasheet - Page 7

• Manufacturer Part Number: la4630n
• Description: 9v/12v 3-dimension Power Ic For Radio Cassette Recorders
• Manufacturer: Sanyo Semiconductor Corporation

Notes on using this IC
• Always short power supply pins 9 and 16 on the copper foil of the printed circuit pattern and apply the equivalent power
• Pin 17 is designed for the power switch.
• When switching with a transistor, the general practice is to insert a PNP transistor between pins 17 and 18.
Notes on Mounting Radiator Fin
supply voltage.
It can be switched on and off with a small current capacity switch, but the point to watch out for is that if the voltgae loss
between pins 17 and 18 is too large, there may be problems in the biasing and the power may drop.
1. The tightening torque should be in the range of 39 to 59N · cm.
2. The distance between screw holes of the radiator fin must coincide with the distance between screw holes of the IC.
3. The screw to be used must have a head equivalent to the one of truss machine screw or binder machine screw defined
4. No foreign matter such as cutting particles must exist between heat sink and radiator fin. When applying grease on the
5. IC lead pins must be soldered to the printed circuit board after the radiator fin is mounted on the IC.
20
18
16
14
12
10
With case outline dimensions L and R referred to, the screws must be tightened with the distance between them as
close to each other as possible.
by JIS. Washers must be also used to protect the IC case.
junction surface, it must be applied uniformly on the whole surface.
8
6
4
2
0
8
9
10
Pd max – V CC [BTL]
Supply Voltage, V CC – V
11
12
13
14
15
R
f=1kHz
16
17
LA4630N
L
–10
–20
50
40
30
20
10
0
–60
–40
–20
Ambient Temperature, Ta –
I CCO – Ta
0
20
40
60
V CC =9V
Rg=0
C
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80
100