PRODUCT DATASHEET
AAT2153
SwitchReg
TM
Typical Characteristics
Load Transient Response
(I
OUT
= 1A to 2.5A; V
OUT
= 1.8V; R1 = 0Ω; C
OUT
= 2x22μF)
2.0
2.0
2.5A Low Noise Step-Down Converter
Load Transient Response
(I
OUT
= 1A to 2.5A; V
OUT
= 1.8V; R1 = 10Ω; C
OUT
= 22μF)
Load Current (bottom) (A)
Output Voltage (top) (V)
1.9
1.8
1.7
1.6
3
2
1
0
Load Current (bottom) (A)
Output Voltage (top) (V)
1.9
1.8
1.7
1.6
3
2
1
0
Time (100μs/div)
Time (100μs/div)
Load Transient Response
(I
OUT
= 250mA to 2.5A; V
OUT
= 1.8V; R1 = 0Ω; C
OUT
= 2x22μF)
2.0
2.0
Load Transient Response
(I
OUT
= 250mA to 2.5A; V
OUT
= 1.8V; R1 = 10Ω; C
OUT
= 22μF)
Load Current (bottom) (A)
Output Voltage (top) (V)
1.9
1.8
1.7
1.6
3
2
1
0
Load Current (bottom) (A)
Output Voltage (top) (V)
1.9
1.8
1.7
1.6
3
2
1
0
Time (100μs/div)
Time (100μs/div)
Load Transient Response
(I
OUT
= 100mA to 2.5A; V
OUT
= 1.8V; R1 = 0Ω; C
OUT
= 2x22μF)
2.0
2.0
Load Transient Response
(I
OUT
= 100mA to 2.5A; V
OUT
= 1.8V; R1 = 10Ω; C
OUT
= 22μF)
Load Current (bottom) (A)
Output Voltage (top) (V)
1.9
1.8
1.7
1.6
3
2
1
0
Load Current (bottom) (A)
Output Voltage (top) (V)
1.9
1.8
1.7
1.6
3
2
1
0
Time (100μs/div)
Time (100μs/div)
2153.2008.09.1.0
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