600mA Voltage-Scaling Step-Down Converter
for RF Power Amplifiers with Bypass Switch
Absolute Maximum Ratings
1
Symbol
V
CC
, V
IN
V
LX
V
OUT
V
N
T
J
T
LEAD
AAT1171
Description
Input Voltage and Bias Power to GND
LX to GND
VOUT to GND
EN, DAC, BYPASS, MODE/SYNC to GND
Operating Junction Temperature Range
Maximum Soldering Temperature (at leads, 10 sec)
Value
6.0
-0.3 to V
IN
+ 0.3
-0.3 to V
IN
+ 0.3
-0.3 to 6.0
-40 to 150
300
Units
V
V
V
V
°C
°C
Thermal Information
2
Symbol
P
D
θ
JA
Description
Maximum Power Dissipation, T
A
= 25°C
Thermal Resistance, T
A
= 25°C
Value
2.3
50
Units
W
°C/W
1. Stresses above those listed in Absolute Maximum Ratings may cause permanent damage to the device. Functional operation at condi-
tions 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.
1171.2006.06.1.0
3
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
