AAT1138 Datasheet, PDF (3/21 Pages) Skyworks Solutions Inc. – 2A Step-Down Converter with Adjustable Input Current Limit

DATA SHEET
AAT1138
2A Step-Down Converter with Adjustable Input Current Limit
Absolute Maximum Ratings¹
T_A = 25°C unless otherwise noted.
Symbol
V_IN
V_GND
V_SW, V_FB
V_SET, V_OUT
V_EN
I_MAX,SYS
T_J
T_LEAD
Description
SYSIN, PVIN, SVIN to GND
PGND, GND
SW, FB to GND
SET, SYSOUT to GND
ENSYS, ENBUCK to GND
Maximum Continuous Current for SYSOUT Load Switch
Operating Junction Temperature Range
Maximum Soldering Temperature (at leads, 10 sec)
Value
-0.3 to 6.0
-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
2
-40 to 150
300
Units
V
V
V
V
V
A
C
°C
Thermal Characteristics
Symbol
Θ_JA
P_D
Description
Maximum Thermal Resistance
Maximum Power Dissipation^{2, 3}
Value
68.86
1.45
Units
°C/W
W
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. Mounted on an FR4 board.
3. Derate 20mW/°C above 25°C.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
201978B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 15, 2013
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