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TDA3664 Fiches technique(PDF) 4 Page - NXP Semiconductors

No de pièce TDA3664
Description  Very low dropout voltage/quiescent current 5 V voltage regulator
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Fabricant  PHILIPS [NXP Semiconductors]
Site Internet  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

TDA3664 Fiches technique(HTML) 4 Page - NXP Semiconductors

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1999 Sep 01
4
Philips Semiconductors
Preliminary specification
Very low dropout voltage/quiescent
current 5 V voltage regulator
TDA3664
FUNCTIONAL DESCRIPTION
The TDA3664 is a fixed 5 V regulator which can deliver
output currents up to 100 mA. The regulator is available in
SO8 and SOT223 packages. The regulator is intended for
portable, mains, telephone and automotive applications.
To increase the lifetime of batteries, a specially built-in
clamp circuit keeps the quiescent current of this regulator
very low, also in dropout and full load conditions.
The regulator remains operational down to very low supply
voltages, below which it switches off.
A temperature protection is included, which switches the
regulator output off at IC temperatures above 150
°C.
A new output structure guarantees the stability of the
regulator with an ESR up to 38
Ω. This is very attractive as
the ESR of an electrolytic capacitor increases strongly at
low temperatures (no expensive tantalum capacitor
required).
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
THERMAL CHARACTERISTICS
QUALITY SPECIFICATION
In accordance with
“SNW-FQ-611E”. The number of the quality specification can be found in the “Quality Reference
Handbook”.
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
VP
supply voltage
TDA3664T
22
V
TDA3664
45
V
TDA3664AT
45
V
VP(rp)
reverse polarity supply voltage
non-operating
−−25
V
Ptot
total power dissipation
Tamb =25 °C
SO8
0.8
W
SOT223
5W
Tstg
storage temperature
non-operating
−55
+150
°C
Tamb
ambient temperature range
operating
TDA3664T
−40
+85
°C
TDA3664
−40
+125
°C
TDA3664AT
−40
+125
°C
Tj
junction temperature
operating
−40
+150
°C
SYMBOL
PARAMETER
CONDITIONS
VALUE
UNIT
Rth(j-a)
thermal resistance from junction to ambient
in free air, soldered in
SO8
155
K/W
SOT223
100
K/W
Rth(j-c)
thermal resistance from junction to case (SOT223)
in free air
25
K/W


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