PRODUCT DATASHEET
AAT2503178
SystemPowerTM
Adjustable 3-Channel Regulator
Pin Configuration
QFN34-20
(Top View)
1
2
3
4
5
6
16
FBA
POK
EN
VIN
N/C
N/C
FBB
ENA
ENB
15
14
13
12
11
MODE/SYNC
FB
AGND
Absolute Maximum Ratings1
Symbol
Description
Value
Units
VP, VIN, VLDO
Input Voltage and Bias Power to GND
LX to GND
FB to GND
EN, MODE/SYNC to GND
Operating Junction Temperature Range
Maximum Soldering Temperature (at leads, 10 sec)
6.0
V
V
V
V
°C
°C
VLX
VFB
VN
TJ
TLEAD
-0.3 to VP + 0.3
-0.3 to VP + 0.3
-0.3 to 6.0
-40 to 150
300
Thermal Information
Symbol
Description
Value
Units
PD
θJA
Maximum Power Dissipation (TA = 25°C)
Thermal Resistance2
2.0
50
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.
w w w . a n a l o g i c t e c h . c o m
2503.2008.02.1.4
3
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
