TDA3672 datasheet(2/16 Pages) PHILIPS

Nome de Peças	TDA3672

Descrição Electrónicos	Very low dropout voltage/quiescent current 3.0 V voltage regulator with enable

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Fabricante Electrônico	PHILIPS [NXP Semiconductors]

Página de início	http://www.nxp.com

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2 / 16 page

2000 Apr 26

2

Philips Semiconductors

Preliminary speciﬁcation

Very low dropout voltage/quiescent current

3.0 V voltage regulator with enable

TDA3672

FEATURES

• Fixed 3.0 V, 100 mA regulator with enable function

• Supply voltage range up to 33 V (45 V)

• Very low quiescent current of 15 µA (typical value)

• Very low dropout voltage

• High ripple rejection

• Very high stability:

– Electrolytic capacitors: Equivalent Series Resistance

(ESR) < 30

Ω at IREG ≤ 25 mA (see Fig.6)

– Other capacitors: 100 nF at 200

µA ≤ IREG ≤ 100 mA.

• Pin compatible family TDA3672 to TDA3676

• Protections:

– Reverse polarity safe (down to

−25 V without high

reverse current)

– Negative transient of 50 V (RS =10 Ω and

t < 100 ms)

– Able to withstand voltages up to 18 V at the output

(supply line may be short-circuited)

– ESD protection on all pins

– DC short-circuit safe to ground and VP of the

regulator output

– Temperature protection (at Tj > 150 °C).

GENERAL DESCRIPTION

The TDA3672 is a fixed 3.0 V voltage regulator with very

low dropout voltage and quiescent current, which operates

over a wide supply voltage range.

The IC is available as:

TDA3672AT: VP ≤ 45 V; −40 °C ≤ Tamb ≤ +125 °C and

SO8 package (automotive).

QUICK REFERENCE DATA

ORDERING INFORMATION

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Supply

VP

supply voltage

regulator on

3

14.4

45

V

Iq

quiescent supply current

VP = 14.4 V; IREG = 0 mA;

VI(EN) =5V

−

15

30

µA

Voltage regulator

VREG

output voltage

7.5

≤ VP ≤ 22 V; IREG = 0.5 mA

2.84

3.0

3.16

V

5.5 V

≤ V

P ≤ 45 V; IREG = 0.5 mA

2.81

3.0

3.19

V

VP = 14.4 V; 0.5 mA ≤ IREG ≤ 100 mA 2.81

3.0

3.19

V

VREG(drop)

dropout voltage

VP = 2.8 V; IREG =50mA;

Tamb ≤ 85 °C

−

0.18

0.3

V

TYPE

NUMBER

PACKAGE

NAME

DESCRIPTION

VERSION

TDA3672AT

SO8

plastic small outline package; 8 leads; body width 3.9 mm

SOT96-1

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