PRODUCT DATASHEET
AAT2113A
TM
SwitchReg
3MHz, FastTransient 1.5A Step-Down Converter in 2mm x 2mm Package
Typical Characteristics
Soft Start
Soft Start
(VOUT = 1.2V; VIN = 3.3V; IOUT = 1A)
(VOUT = 1.8V; VIN = 3.3V; IOUT = 1A)
4
3
2
1
0
4
3
2
1
0
2
2
1
1
0
0
-1
-1
Time (100µs/div)
Time (2ms/div)
Output Voltage Ripple
Output Voltage Ripple
(VOUT = 1.2V; VIN = 3.3V; IOUT = 1mA)
(VOUT = 1.8V; VIN = 3.3V; IOUT = 1mA)
1.21
1.20
1.19
1.81
1.80
1.79
0.3
0.2
0.1
0
0.3
0.2
0.1
0
-0.1
-0.2
-0.1
-0.2
Time (10µs/div)
Time (10µs/div)
Output Voltage Ripple
Output Voltage Ripple
(VOUT = 1.2V; VIN = 3.3V; IOUT = 1.5A)
(VOUT = 1.8V; VIN = 3.3V; IOUT = 1.5A)
1.22
1.20
1.18
1.82
1.80
1.78
2.0
1.5
1.0
0.5
2.0
1.5
1.0
Time (200ns/div)
Time (200ns/div)
w w w . a n a l o g i c t e c h . c o m
8
2113A.2009.06.1.1
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
