AAT2138 Datasheet, PDF (3/18 Pages) Skyworks Solutions Inc. – High Current Step-Down Converter with High-Precision Programmable Current Limited Load Switch

DATA SHEET
AAT2138
High Current Step-Down Converter
with High-Precision Programmable Current Limited Load Switch
Absolute Maximum Ratings¹
Symbol
V_IN
V_SW
V_FB
V_RSET
V_EN
I_SYSIN
V_GND
T_J
T_A
T_LEAD
Description
SYSIN, REGIN to PGND
SW to PGND
FB to AGND
RSET to AGND
ENSYS, ENREG to AGND
Load Switch Maximum RMS Current Capability
PGND to AGND
Operating Junction Temperature Range
Operating Ambient Temperature Range
Maximum Soldering Temperature (at leads, 10 sec)
Value
-0.3 to +6
-0.3 to (REGIN + 0.3)
-0.3 to (SYSIN + 0.3)
-0.3 to (V_IN + 0.3)
-0.3 to (V_IN + 0.3)
±4.0
-0.3 to +0.3
-40 to 150
-40 to 85
300
Units
V
A
V
°C
Thermal Characteristics
Symbol
Θ_JA
P_D
Description
Maximum Thermal Resistance
Maximum Power Dissipation^{2, 3}
Value
60
1.67
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.
2. Mounted on an FR4 board.
3. Derate 70mW/°C above 25°C.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
202006C • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 18, 2013
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