AAT2603

Total Power Solution for Portable Applications

PRODUCT DATASHEET

4

2603.2008.10.1.2

www .analogictech.com

AAT2603

Total Power Solution for Portable Applications

PRODUCT DATASHEET

4

2603.2008.10.1.2

www .analogictech.com

Pin Configuration

TQFN44-28

(Top View)

1

2

3

4

5

6

7

89

EP

10

28

27

26

25

24

23

22

11

12

13

14

21

20

19

18

17

16

15

LX2

ENB2

FBB2

ENL3

AGND

FBL3

OUTL3

FBL2

ENL2

OUTL2

INL12

OUTL1

AIN

FBB1

Part Number Descriptions

Part Number

DC-DC1 (Buck1)

DC-DC2 (Buck2)

(SELB2 = Low)

DC-DC2 (Buck2)

(SELB2 = High)

LDOs 1-4

AAT2603INJ-1-T1

AAT2603INJ-2-T1

3.3V

1.0V

1.3V

AAT2603INJ-3-T1

1.0V

1.3V

Symbol

Description

Value

Units

INBX, INLXX, AIN to AGND

-0.3 to 6.0

V

ENBX, ENLX, FBBX, FBLX, BYP to AGND

V

LX1 to PGND1

V

LX2 to PGND2

V

PGNDX to AGND, PGND1 to PGND2

-0.3 to 0.3

V

Operating Temperature Range

-40 to 150

°C

Storage Temperature Range

-65 to 150

°C

Maximum Soldering Temperature (at leads, 10 sec)

300

°C

Recommended Operating Conditions

Symbol

Description

Value

Units

Thermal Resistance

50

°C/W

Maximum Power Dissipation

2

W

1. Stresses above those listed in Absolute Maximum Ratings may cause permanent damage to the device. Functional operation at conditions other than the operating conditions

specified is not implied. Only one Absolute Maximum rating should be applied at any one time.