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TDA3663 Datasheet PDF : 17 Pages
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Philips Semiconductors
TDA3663
Very low dropout voltage/quiescent current 3.3 V voltage regulator
9. Thermal characteristics
Table 5:
Symbol
Rth(j-a)
Rth(j-c)
Thermal characteristics
Parameter
thermal resistance from junction to ambient
SO4
SO8
thermal resistance from junction to case
SO4
SO8
Conditions
in free air; soldered
in free air; soldered
to center pins; soldered
to center pins; soldered
10. Characteristics
Typ
Unit
100
K/W
155
K/W
25
K/W
30
K/W
Table 6: Characteristics
VP = 14.4 V; Tamb = 25 °C; measured with test circuit of Figure 15; unless otherwise specified.
Symbol Parameter
Conditions
Min
Typ
Supply voltage: pin VP
VP
supply voltage
Iq
quiescent supply current
Regulator output: pin REG
regulator operating
VP = 4.5 V; IREG = 0 mA
VP = 14.4 V; IREG = 0 mA
6 V ≤ VP ≤ 22 V; IREG = 10 mA
6 V ≤ VP ≤ 22 V; IREG = 50 mA
[1] 3
-
-
-
-
14.4
10
15
0.2
1.4
VREG
VREG(drop)
VREG(stab)
output voltage
dropout voltage
output voltage long-term
stability
8 V ≤ VP ≤ 22 V; IREG = 0.5 mA
0.5 mA ≤ IREG ≤ 100 mA
6 V ≤ VP ≤ 45 V; IREG = 0.5 mA
VP = 3.1 V; Tamb ≤ 85 °C;
IREG = 50 mA
per 1000 h
3.16
3.3
3.13
3.3
3.13
3.3
-
0.18
-
20
∆VREG(line) line input regulation
7 V ≤ VP ≤ 22 V; IREG = 0.5 mA
-
1
voltage
7 V ≤ VP ≤ 45 V; IREG = 0.5 mA
-
1
∆VREG(load) load output regulation
voltage
0.5 mA ≤ IREG ≤ 50 mA
-
10
SVRR
IREG(crl)
ILO(rp)
supply voltage ripple
rejection
output current limit
output leakage current at
reverse polarity
fi = 120 Hz;
Vi(ripple) = 1 V (RMS);
IREG = 0.5 mA
VREG > 2.8 V
VP = −15 V; VREG ≤ 0.3 V
50
60
0.17
0.25
-
1
[1] The regulator output will follow VP if VP < VREG + VREG(drop).
Max
45
-
30
0.5
2.5
3.44
3.47
3.47
0.3
-
30
50
50
-
-
500
Unit
V
µA
µA
mA
mA
V
V
V
V
mV
mV
mV
mV
dB
A
µA
9397 750 15047
Product data sheet
Rev. 05 — 13 June 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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