AAT2614

DATA SHEET

Step-Down DC/DC Converter with Quad High PSRR LDOs

4

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

202209B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 20, 2013

o

C unless otherwise noted.

Symbol Description

Conditions

Min Typ Max

Units

PMU Operation

Input Voltage

2.5

5.5

V

UVLO

Under-Voltage Lockout

Rising

1.9

V

Hysteresis

100

mV

Thermal Shutdown

Threshold

140

°C

Hysteresis

15

°C

Quiescent Current

260

420

μA

Logic Control

Input Logic High Threshold

ENL1, ENL2, ENL3, ENL4, ENB

1.5

V

Input Logic Low Threshold

ENL1, ENL2, ENL3, ENL4, ENB

0.4

V

DC-DC Step-Down Converter

Shutdown Current from INB Pin

0.1

1

μA

Quiescent Current

120

280

μA

P-Channel Current Limit

800

mA

Output Voltage Accuracy

-3

3

%

Operating Switching Frequency

1.7

MHz

High-Side Switch On Resistance

230

mΩ

280

Low-Side Switch On Resistance

180

mΩ

220

LDO

Shutdown Current

1

μA

Output Current Limit

500

600

mA

Dropout Voltage

500

mV

Output Voltage Accuracy

-3

3

%

Load Regulation

0.3

0.6

%

Line Regulation

0.2

%/V

PSRR

Power Supply Rejection Ratio

f = 100Hz

75

dB

75

f = 1kHz

70

70

f = 10kHz

50

50

Output Voltage Temperature

Coefficient

100

ppm/°C