AAT1204 Datasheet, PDF (2/13 Pages) Advanced Analogic Technologies – 400-mA MULTI-INPUT LOW-DROPOUT REGULATOR WITH VAUX SWITCH

Advanced Analog Technology, Inc.
Functions Table
INPUT VOLTAGE STATUS
(V)
VCC50
0
0
0
0
5
5
5
5
VSB50
0
0
5
5
0
0
5
5
AUX33
0
3.3
0
3.3
0
3.3
0
3.3
INPUT SELECTED
VCC50/VSB50/AUX33
None
AUX33
VSB50
VSB50
VCC50
VCC50
VCC50
VCC50
OUTPUT
V
OUT33
0
3.3
3.3
3.3
3.3
3.3
3.3
3.3
AAT1204
OUTPUT
I mA
Iout33
0
400
400
400
400
400
400
400
PIN Description
TERMINAL
NAME
NO.
I/O
I 5-V standby supply input
I 5-V main supply input
O 3.3-V regulated output
I 3.3-V auxiliary supply input
I Ground
I Ground
I Ground
I Ground
Description
absolute maximum ratings
• Main Supply voltage, V _VCC50 …………….…….………………………………... -0.5V~7V
• Standby Supply voltage, V _VSB50 ……………….………………………………… -0.5V~7V
• Auxiliary Supply voltage, V _AUX33 …………….……………………….…....….... -0.5V~7V
• Output current limit, I _LIMIT ………………………………….…………….…………... 1.5A
• Continuous power dissipation, P_D see Note 1 …………….…………………….….. 1.1W
• Electrostatic discharge susceptibility, human body model………………….……….…....2kV
• Operating ambient temperature range, T_A……………….……………..…………0 to 70
• Storage temperature range, Tstg…………….…………….…………………..-55 to 150
• Operating junction temperature range, T_J…………….………………...……....-5 to 135
• Lead temperature soldering, 10 second ,T _LEAD ………………….…………..…...260
NOTE 1 The device deteriorate with increase in ambient temperature, TA. See Thermal Information section.
–
–
Advanced Analog Technology, Inc.
V 1.0