AAT2556 Datasheet, PDF (3/29 Pages) Advanced Analogic Technologies – Battery Charger and Step-Down Converter for Portable Applications

AAT2556
Battery Charger and Step-Down
Converter for Portable Applications
Absolute Maximum Ratings¹
Symbol
V_IN
V_ADP
V_LX
V_FB
V_EN
V_X
T_J
T_LEAD
Description
Input Voltage to GND
Adapter Voltage to GND
LX to GND
FB to GND
EN_BAT and EN_BUCK to GND
BAT, ISET and STAT to GND
Operating Junction Temperature Range
Maximum Soldering Temperature (at leads, 10 sec)
Value
6.0
-0.3 to 7.5
-0.3 to V_IN + 0.3
-0.3 to V_IN + 0.3
-0.3 to 6.0
-0.3 to V_ADP + 0.3
-40 to 150
300
Units
V
V
V
V
V
V
°C
°C
Thermal Information
Symbol
P_D
θ_JA
Description
Maximum Power Dissipation
Thermal Resistance²
Value
2.0
50
Units
W
°C/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.
2556.2006.09.1.2
3