AAT1205 Datasheet, PDF (2/21 Pages) Advanced Analog Technology, Inc. – 400-mA MULTI-INPUT LOW-DROPOUT REGULATOR WITH DUAL OUTPUT POWER MANAGEMENT

Advanced Analog Technology, Inc.
Function Table
INPUT VOLTAGE STATUS
V
EN25
Hi
Low
Hi
Low
Hi
Low
Hi
Low
Hi
Low
Hi
Low
Hi
Low
Hi
Low
VCC50
0
0
0
0
0
0
0
0
5
5
5
5
5
5
5
5
VSB50
0
0
0
0
5
5
5
5
0
0
0
0
5
5
5
5
AUX33
0
0
3.3
3.3
0
0
3.3
3.3
0
0
3.3
3.3
0
0
3.3
3.3
INPUT SELECTED
VCC50/VSB50/AUX33
None
None
AUX33
AUX33
VSB50
VSB50
VSB50
VSB50
VCC50
VCC50
VCC50
VCC50
VCC50
VCC50
VCC50
VCC50
AAT1205
OUTPUT
V
OUT33
0
0
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
OUT25
0
0
2.5
0
2.5
0
2.5
0
2.5
0
2.5
0
2.5
0
2.5
0
OUTPUT
I mA
Iout33+Iout25
0
0
400
400
400
400
400
400
400
400
400
400
400
400
400
400
Pin Description
TERMINAL
NAME
NO.
VSB50
1
VCC50
2
OUT33
3
AUX33
4
OUT25
5
EN25
6
GND
7
GND
8
I/O
Description
I 5V Standby Supply Input
I 5V Main Supply Input
O 3.3V Regulated Output
I 3.3V Auxiliary Supply Input
O 2.5V Regulated Output
I Enable Input of OUT25
I Ground
I Ground
–
–
– Advanced Analog Technology, Inc. –
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