TDA3663AT datasheet(4/17 Pages) PHILIPS

4 / 17 page

9397 750 15047

Product data sheet

Rev. 05 — 13 June 2005

4 of 17

Philips Semiconductors

TDA3663

Very low dropout voltage/quiescent current 3.3 V voltage regulator

Thermal characteristics

10. Characteristics

[1]

The regulator output will follow VP if VP <VREG +VREG(drop).

Table 5:

Thermal characteristics

Symbol

Parameter

Conditions

Typ

Unit

Rth(j-a)

thermal resistance from junction to ambient

SO4

in free air; soldered

100

K/W

SO8

in free air; soldered

155

K/W

Rth(j-c)

thermal resistance from junction to case

SO4

to center pins; soldered

K/W

SO8

to center pins; soldered

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

Max

Unit

Supply voltage: pin VP

supply voltage

regulator operating

[1] 3

14.4

quiescent supply current

VP = 4.5 V; IREG =0mA

µA

VP = 14.4 V; IREG = 0 mA

µA

≤ VP ≤ 22 V; IREG = 10 mA

0.2

0.5

≤ VP ≤ 22 V; IREG = 50 mA

1.4

2.5

Regulator output: pin REG

VREG

output voltage

8 V

≤ VP ≤ 22 V; IREG = 0.5 mA

3.16

3.3

3.44

0.5 mA

≤ IREG ≤ 100 mA

3.13

3.3

3.47

≤ VP ≤ 45 V; IREG = 0.5 mA

3.13

3.3

3.47

VREG(drop)

dropout voltage

VP = 3.1 V; Tamb ≤ 85 °C;

IREG =50mA

0.18

0.3

VREG(stab)

output voltage long-term

stability

per 1000 h

∆VREG(line)

line input regulation

voltage

≤ VP ≤ 22 V; IREG = 0.5 mA

≤ VP ≤ 45 V; IREG = 0.5 mA

∆VREG(load) load output regulation

voltage

0.5 mA

≤ IREG ≤ 50 mA

SVRR

supply voltage ripple

rejection

fi = 120 Hz;

Vi(ripple) = 1 V (RMS);

IREG = 0.5 mA

IREG(crl)

output current limit

VREG > 2.8 V

0.17

0.25

ILO(rp)

output leakage current at

reverse polarity

VP = −15 V; VREG ≤ 0.3 V

500

µA

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