AAT1171 Datasheet, PDF (5/22 Pages) Advanced Analogic Technologies – 600mA Voltage-Scaling Step-Down Converter for RF Power Amplifiers with Bypass Switch

AAT1171
600mA Voltage-Scaling Step-Down Converter
for RF Power Amplifiers with Bypass Switch
Electrical Characteristics¹
T_A = -40°C to +85°C, unless otherwise noted. V_IN = V_CC = 3.6V; typical values are T_A = 25°C.
Symbol Description
PWM/Light Load/EN
V_EN(L)
V_EN(H)
I_EN
Enable Threshold Low
Enable Threshold High
Input Low Current
t_EN
Turn-On Enable Response Time
SYNC
F_SYNC
V_SYNC(H)
V_SYNC(L)
I_SYNC
DAC Input
Gain
Synchronization Frequency
SYNC High Level Threshold
SYNC Low Level Threshold
SYNC Low Current
Output Voltage/DAC Voltage³
Conditions
V_CC = 5.5V
EN = Low to High, MODE/SYNC =
High, V_DAC = 1.2V
Sync to 19.8MHz²
V_SYNC = GND or V_CC
Min Typ Max Units
0.6
V
1.4
V
-1.0
1.0 µA
150
µs
19.8
1.6
0.6
-1.0
1.0
MHz
V
µA
3
V/V
1. The AAT1171 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured
by design, characterization, and correlation with statistical process controls.
2. Please contact Sales for other synchronization frequencies.
2. Please contact Sales for other output voltage/DAC voltage gains.
1171.2006.06.1.0
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