TDA3675AT datasheet(2/16 Pages) PHILIPS

2 / 16 page

2000 Feb 01

Philips Semiconductors

Preliminary speciﬁcation

Low dropout voltage/quiescent current

8.5 V voltage regulator with enable

TDA3675

FEATURES

• Fixed 8.5 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) < 38

Ω at IREG ≤ 25 mA

– 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, t < 100 ms)

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

(supply line may be short-circuited)

– ESD protection for all pins

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

regulator output

– Temperature protection at Tj > 150 °C.

GENERAL DESCRIPTION

The TDA3675 is a fixed 8.5 V voltage regulator with very

low dropout voltage and quiescent current, which operates

over a wide supply voltage range.

The IC is available as:

• TDA3675T: VP ≤ 33 V, −40 °C ≤ Tamb ≤ +85 °C and

SO8 package (non-automotive)

• TDA3675AT: 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

supply voltage

regulator on

TDA3675T

14.4

TDA3675AT

14.4

quiescent supply current

VP = 14.4 V; IREG = 0 mA;

VI(EN) =5V

−

µA

Regulator output

VREG

regulator output voltage

VI(EN) =5V

11.5 V

≤ V

P ≤ 22 V; IREG = 0.5 mA

8.16

8.5

8.84

9.5 V

≤ VP ≤ 45 V; IREG = 0.5 mA

8.08

8.5

8.92

VP = 14.4 V;

0.5 mA

≤ IREG ≤ 100 mA

8.08

8.5

8.92

VREG(drop)

dropout voltage

VP = 8.0 V; IREG =50mA

−

0.18

0.3

TYPE

NUMBER

PACKAGE

NAME

DESCRIPTION

VERSION

TDA3675T

SO8

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

SOT96-1

TDA3675AT

SO8

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

SOT96-1

TDA3675AT Datasheet(PDF) 2 Page - NXP Semiconductors

TDA3675AT Datasheet(HTML) 2 Page - NXP Semiconductors

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Datasheet Download

Link URL