AAT2749 Datasheet, PDF (3/17 Pages) Skyworks Solutions Inc. – 3.0MHz Step-Down Converter and Low-V in LDO

DATA SHEET
AAT2749
3.0MHz Step-Down Converter and Low-V_IN LDO
Absolute Maximum Ratings¹
T_A = 25^OC unless otherwise noted.
Symbol
V_{IN_BUCK}, V_{IN_LDO}
V_LX
V_{OUT_BUCK}
V_{OUT_LDO}
V_CE, V_MODE
T_J
T_LEAD
Description
Input Voltage
LX to GND
OUT_BUCK to GND
OUT_LDO to GND
CE to GND
Maximum Junction Operating temperature
Maximum Soldering Temperature (at leads, 10 sec)
Value
-0.3 to 6.0
-0.3 to V_IN + 0.3
-0.3 to V_IN + 0.3
-0.3 to V_IN + 0.3
-0.3 to V_IN + 0.3
-40 to +150
300
Units
V
O_C
Thermal Information³
Symbol
_JA
P_D
Description
Thermal Resistance⁴
Maximum Power Dissipation
Value
284
352
Units
O_C/W
mW
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 is not implied. Only one Absolute Maximum Rating should be applied at any one time.
2. Based on long-term current density limitation.
3. Mounted on an FR4 board.
4. Derate 20mW/°C above 25°C.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
202037A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • June 8, 2012
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