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New products indicated in

Power Management

Low Drop-Out (LDO) Linear Regulator

Table 9. low drop-Out (ldO) linear regulator

Part

Number

Function

V

IN

(V)

typ. I

Q

(µA)

Max. I

Out

(mA)

Package

(mm)

AAT3221

Ultra Low IQ LDO

V

1.1

150

SOT-23 5L 2.85 x 2.8

SC70JW 8L 2.2 x 2.0

Display and Lighting

white lEd driver

Table 10. Serial Boost white lEd Backlight driver

Part

Number

Number

of LEDs

LED

Channels

LED(s)

per/Ch

Min.

V

IN

(V)

Max.

V

IN

(V)

Interface

typ.

I

Q

(µA)

Peak

Efficiency

Current

Accuracy

(%)

Current

Matching

(%)

Max. I

Out

per/Ch

(mA)

Package

(mm)

AAT1401

6

1

6

2.7

5.5

S2Cwire™,

Filtered PWM

0.43

85%

±10%

N/A

31

WLCSP 10L

1.545 x 1.145 x 0.62

AAT1403

10

1

10

2.7

5.5

S2Cwire™,

Filtered PWM

0.43

81%

±10%

N/A

31

WLCSP 10L

1.545 x 1.145 x 0.62

Table 7. Step up Converter

Part

Number

Function

V

Out

(V)

typ. I

Q

(µA)

I

Out

(mA)

Package

(mm)

AAT1219

Step Up Converter

2.4 to V

58

1200

TDFN33 12L 3 x 3

Table 8. Step down Converter

Part Number

Min. V

IN

(V)

Max. V

IN

(V)

Min. V

Out

(V)

Max. V

Out

(V)

I

Out

(mA)

f

OSC

(kHz)

typ. I

Q

(µA)

Package

(mm)

AAT2114A

2.7

5.5

1

2500

3000

70

QFN 16L 3 x 3

AAT2138

2.7

5.5

3

V

IN

2500

2800

90

TDFN 14L 3 x 3 x 0.75

SKY87201-11

2.7

5.5

0.6

600

2000

37

SC70JW 8L 2 x 2.1

SKY87608

4.5

28

0.9

0.8*V

IN

3000

450

1600

SOP-8L 5 x 6 x 1.55

POwEr MAnAgEMEnT (COnTInuEd)

Voltage Regulation–DC/DC Converters (Switching Regulators)