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TDA3663AT データシートの表示(PDF) - Philips Electronics
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TDA3663AT
45 V, very low dropout voltage/quiescent current 3.3 V voltage regulator
Philips Electronics
TDA3663AT Datasheet PDF : 16 Pages
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Philips Semiconductors
Very low dropout voltage/quiescent current
3.3 V voltage regulator
BLOCK DIAGRAM
Preliminary specification
TDA3663
handbook,
V
h
P
alfpage
1 (8)
3 (1)
REGULATOR
REG
BAND GAP
TDA3663
THERMAL
PROTECTION
2, 4 (2, 3, 6, 7)
GND
MGS584
Pins between brackets are for the SO8 version.
Fig.1 Block diagram.
PINNING
SYMBOL
V
P
GND
REG
n.c.
SO4
1
2 and 4
3
−
PIN
SO8
8
2, 3, 6 and 7
1
4 and 5
supply voltage
ground; note 1
regulator output
not connected
DESCRIPTION
Note
1. For the SO8 package all GND pins are connected to the lead frame and can also be used to reduce the total thermal
resistance R
th(j-a)
by soldering these pins to a ground plane. The ground plane on the top side of the PCB acts like a
heat spreader.
2000 Feb 01
3
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