AAT2789 Datasheet, PDF (12/22 Pages) Advanced Analogic Technologies – Low Noise, High Frequency Dual Step-Down Converter

SystemPower^TM
PRODUCT DATASHEET
AAT2789
Low Noise, High Frequency Dual Step-Down Converter
Typical Characteristics – Channel 2
Output Ripple
(V_OUT = 1.8V; V_IN = 3.6V; I_OUT = 1mA; C_FF = 0pF)
0.02
0.35
0.01
0.3
0
0.25
-0.01
0.2
-0.02
0.15
-0.03
0.1
-0.04
0.05
-0.05
0
-0.06
-0.05
Time (10µs/div)
Output Ripple
(V_OUT = 1.8V; V_IN = 3.6V; I_OUT = 400mA; C_FF = 0pF)
0.02
1.4
0.01
1.2
0
1
-0.01
0.8
-0.02
0.6
-0.03
0.4
-0.04
0.2
-0.05
0
-0.06
-0.2
Time (10µs/div)
Soft Start
(V_IN = 3.6V; V_OUT = 1.8V; I_OUT = 400mA)
4
3
2
1
0
0.5
0
-0.5
Time (100µs/div)
12
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2789.2008.03.1.0