AAT2847

Four-Channel Backlight Driver with Dual LDOs

2847.2007.09.1.0

3

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 in not implied. Only one Absolute Maximum Rating should be applied at any one time.

2. Derate 20mW/°C above 40°C ambient temperature.

3. Mounted on a FR4 circuit board.

Pin Configuration

AAT2847-EE

AAT2847-QG/QI

TQFN34-20

TQFN34-20

(Top View)

(Top View)

Absolute Maximum Ratings

1

T

Thermal Information

2, 3

1

3

2

5

4

6

16

14

15

12

13

11

D2

D1

LDOB

IN

PGND

IN

C1+

EN/SET

C1-

OUT

ENB

D4

1

3

2

5

4

6

16

14

15

12

13

11

D2

D1

LDOB

IN

PGND

IN

C1+

EN/SET

C1-

OUT

ENB

D4

Symbol

Description

Value

Units

θ

JA

Thermal Resistance

50

°C/W

P

D

Maximum Power Dissipation

2

W

Symbol

Description

Value

Units

V

N

[IN, OUT, D1, D2, D3, D4] to GND

-0.3 to 6.0

V

V

N

[C1+, C1-, C2+, C2-] to GND

-0.3 to V

V

V

N

[LDOA, LDOB, FBA, FBB, EN/SET, ENA, ENB] to GND

-0.3 to V

V

T

J

Operating Temperature Range

-40 to 150

°C

T

LEAD

Maximum Soldering Temperature (at leads, 10 sec)

300

°C