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

201999B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 20, 2013

AAT1171

600mA Voltage-Scaling Step-Down Converter

for RF Power Amplifiers with Bypass Switch

DATA SHEET

Typical Characteristics

Light Load Switching Waveform

Ω;

Time (200ns/div)

(AC coupled)

20mV/div

100mA/div

2V/div

0

0

Light Load Switching Waveform

Ω;

Time (1µs/div)

(AC coupled)

20mV/div

200mA/div

2V/div

0

0

DAC Transient Response in PWM Mode

Ω; C

Time (25µs/div)

1V/div

0.5V/div

0

0

3.3V

0.6V

1.2V

0.2V

DAC Transient Response in LL Mode

Ω; C

Time (25µs/div)

1V/div

0.5V/div

0

0

3.3V

0.6V

1.2V

0.2V

Bypass Transient Response

Ω; C

Time (25µs/div)

1V/div

1V/div

0

0

3.5V

0.6V

Bypass Transient Response

Ω; C

Time (25µs/div)

1V/div

1V/div

0

0

3.5V

0.6V