SI9181DQ-18-T1-E3 datasheet(2/10 Pages) VISHAY

No. de pieza	SI9181DQ-18-T1-E3

Descripción Electrónicos	Micropower 350-mA CMOS LDO Regulator With Error Flag/Power-On-Reset

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Fabricante Electrónico	VISHAY [Vishay Siliconix]

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Si9181

Vishay Siliconix

www.vishay.com

2

Document Number: 71119

S-40694—Rev. D, 19-Apr-04

ABSOLUTE MAXIMUM RATINGS

Input Voltage, VIN

6.5 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SD Input Voltage, VSD

−0.3 V to VIN

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Output Current, IOUT

Short Circuit Protected

. . . . . . . . . . . . . . . . . . . . . . . . . .

Output Voltage, VOUT

−0.3 V to VO(nom) + 0.3 V

. . . . . . . . . . . . . . . . . . . . . . . .

Maximum Junction Temperature, TJ(max)

150_C

. . . . . . . . . . . . . . . . . . . . . . .

Storage Temperature, TSTG

−55_C to 150_C

. . . . . . . . . . . . . . . . . . . . . . . . . .

ESD (Human Body Model)

2 kV

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Power Dissipation (Package)a

8-Pin TSSOP

833 mW

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Thermal Impedance (QJA)

8-Pin TSSOPb

120_C/W

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Notes

a.

Device mounted with all leads soldered or welded to PC board.

b.

Derate 8.3 mW/_C above TA = 25_C

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation

of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating

conditions for extended periods may affect device reliability.

RECOMMENDED OPERATING RANGE

Input Voltage, VIN

2 V to 6 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Output Voltage, VOUT (Adjustable Version)

1.5 V to 5 V

. . . . . . . . . . . . . . . . . .

SD Input Voltage, VSD

0 V to VIN

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating Ambient Temperature, TA

−40_C to 85_C

. . . . . . . . . . . . . . . . . . . .

Operating Junction Temperature, TJ

−40_C to 125_C

. . . . . . . . . . . . . . . . . . .

CIN = 2.2 mF, COUT = 2.2 mF (ceramic, X5R or X7R type) , CNOISE = 0.1 mF (ceramic)

COUTRange = 1 mF to 10 mF ("10%, x5R or x7R type)

CIN w COUT

SPECIFICATIONS

Test Conditions

Unless Otherwise Specified

V

1 V I

1 A

Limits

−40 to 85_C

Parameter

Symbol

VIN = VOUT(nom) + 1 V, IOUT = 1 mA

CIN = 2.2 mF, COUT = 2.2 mF, VSD = 1.5 V

Tempa

Minb

Typc

Maxb

Unit

Output Voltage Range

Adjustable Version

Full

1.5

5

V

Output Voltage Accuracy

VOUT

1 mA v IOUT v 350 mA

Room

−1.5

1.5

% VO(

)

Output Voltage Accuracy

(Fixed Versions)

OUT

1 mA v IOUT v 350 mA

Full

−2.5

2.5

% VO(nom)

Feedback Voltage (ADJ Version)

VADJ

Room

1.191

1.215

1.239

V

Feedback Voltage (ADJ Version)

VADJ

Full

1.179

1.251

V

Line Regulation

(Except 5-V Version)

From VIN = VOUT(nom) + 1 V

to VOUT(nom) + 2 V

Full

−0.18

0.18

Line Regulation (5-V Version)

DVOUT 100

V

From VIN = 5.5 V to 6 V

Full

−0.18

0.18

%/V

Line Regulation (ADJ Version)

VIN VOUT(nom)

VOUT = 1.5 V, From VIN = 2.5 V to 3.5 V

Full

−0.18

0.18

%/V

Line Regulation (ADJ Version)

VOUT = 5 V, From VIN = 5.5 V to 6 V

Full

−0.18

0.18

IOUT = 10 mA

Room

5

20

Dropout Voltaged

IOUT = 200 mA

Room

85

180

Dropout Voltaged

(@VOUT w 2 V)

IOUT = 350 mA

Room

150

400

VIN − VOUT

IOUT = 350 mA

Full

550

mV

d

IN

OUT

IOUT = 200 mA

Room

170

250

Dropout Voltaged

(@VOUT t 2 V, VIN w 2 V)

IOUT = 350 mA

Room

290

425

(@VOUT t 2 V, VIN w 2 V)

IOUT = 350 mA

Full

575

IOUT = 0 mA

Room

150

IOUT = 200 mA

Room

1000

Ground Pin Current

IGND

IOUT = 200 mA

Full

1500

mA

GND

IOUT = 350 mA

Room

1500

m

IOUT = 350 mA

Full

2800

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