AAT2603_08 Datasheet, PDF (4/26 Pages) Advanced Analogic Technologies – Total Power Solution for Portable Applications

Pin Configuration
PRODUCT DATASHEET
AAT2603
Total Power Solution for Portable Applications
TQFN44-28
(Top View)
28 27 26 25 24 23 22
LX2 ¹
ENB2 ²
FBB2 ³
ENL3 ⁴
AGND ⁵
FBL3 ⁶
OUTL3 ⁷
21 _FBB1
20 _AIN
19 _ENL2
EP
18 _FBL2
17 _OUTL2
16 _INL12
15 _OUTL1
8 9 10 11 12 13 14
Part Number Descriptions
Part Number
AAT2603INJ-1-T1
AAT2603INJ-2-T1
AAT2603INJ-3-T1
Output Voltage¹
DC-DC1 (Buck1)
Ext. Adj. (V_FBB1 = 600mV)
3.3V
Ext. Adj. (V_FBB1 = 600mV)
DC-DC2 (Buck2)
(SELB2 = Low)
Ext. Adj. (V_FBB2 = 600mV)
1.0V
1.0V
DC-DC2 (Buck2)
(SELB2 = High)
Ext. Adj. (V_FBB2 = 775mV)
1.3V
1.3V
LDOs 1-4
Ext. Adj. (V_FBLX = 1.2V)
Ext. Adj. (V_FBLX = 1.2V)
Ext. Adj. (V_FBLX = 1.2V)
Absolute Maximum Ratings¹
T_A = 25°C unless otherwise noted.
Symbol
Description
INBX, INLXX, AIN to AGND
ENBX, ENLX, FBBX, FBLX, BYP to AGND
LX1 to PGND1
LX2 to PGND2
PGNDX to AGND, PGND1 to PGND2
Operating Temperature Range
Storage Temperature Range
Maximum Soldering Temperature (at leads, 10 sec)
Value
-0.3 to 6.0
-0.3 to V_AIN+0.3
-0.3 to V_INB1+0.3
-0.3 to V_INB2+0.3
-0.3 to 0.3
-40 to 150
-65 to 150
300
Units
V
V
V
V
V
°C
°C
°C
Recommended Operating Conditions
Symbol
θ_JA
P_D
Description
Thermal Resistance
Maximum Power Dissipation
Value
50
2
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.
4
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2603.2008.10.1.2