11

AAT1151

850kHz 700mA Synchronous Buck DC/DC Converter

DATA SHEET

Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

201991B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 18, 2013

Figure 2: MSOP Evaluation

Figure 3: MSOP Evaluation

Board Top Layer.

Board Bottom Layer.

Figure 4: QFN Evaluation Board Top Side.

Figure 5: QFN Evaluation Board Bottom Side.

0

5

10

15

20

25

30

35

40

45

1

1.5

2

2.5

3

3.5

4

4.5

5

5.5

Output Voltage (V)

R4=10kΩ

L1

3.3μH

C2, C4

2x 22μF

C1

10μF

R1 100

C3

0.1μF

C1 Murata 10μF 6.3V X5R GRM42-6X5R106K6.3

L1 Sumida CDRH3D16-3R3 NC

R2

100k

C2, C4 Murata 22μF 6.3V GRM21BR60J226ME39L X5R 0805

2.7V - 5.5V

GND

FB

4

SGND

5,6

EN

7

VCC

9

VP

10,11,12

LX

13,14,15

PGND

1,2,3

AAT1151-1.0

R3

2.55k 1%

R4

10kΩ 1%

Figure 7: Adjustable Output Schematic.

Using the AAT1151-1.0V.