AAT2506 Datasheet, PDF (11/26 Pages) Advanced Analogic Technologies – 1MHz Step-Down Converter/LDO Regulator

AAT2506
1MHz Step-Down Converter/LDO Regulator
Typical Characteristics
Unless otherwise noted, V_IN = 5V, T_A = 25°C.
Step-Down Converter Soft Start
(V_IN = 3.6V; V_OUT = 1.5V; L = 4.7µH; ENLDO = GND)
4.0
3.5
3.0
3.0
2.0
2.5
1.0
2.0
0.0
1.5
-1.0
1.0
-2.0
0.5
-3.0
0.0
-4.0
-0.5
Time (50µs/div)
Step-Down Converter Output Ripple
(V_IN = 3.6V; V_OUT = 1.8V; 400mA;
EN = V_IN; ENLDO = GND)
40
0.9
20
0.8
0
0.7
-20
0.6
-40
0.5
-60
0.4
-80
0.3
-100
0.2
-120
0.1
Time (250ns/div)
2506.2005.12.1.0
11