AAT1202 AAT, AAT1202 Datasheet - Page 4

• Manufacturer Part Number: AAT1202
• Description: MULTI-INPUT LOW-DROPOUT REGULATOR
• Manufacturer: AAT

Electrical Characteristics over recommended operating free-air temperature, T
70℃,CL = 4.7µF (unless otherwise noted)
NOTE 2：
NOTE 3：Please refer to "Thermal Information"
VCC50
VSB50
OUT33
OUT18
△V
△V
I
I
I
I
I
T
T
C
I
V
V
R
R
50
AUX
L33
L18
LIMIT
Ikg
TSD
hys
L
（
θJA
LO
HI
（
SWITCH
REV
O
O
（
（
Design targets only. Not tested in production.
△VI
△IO
）
）
Thermal impedance,
Junction-to-ambient（NOTE3） With copper for heat spreading
）
）
Auxiliary switch resistance
Quiescent supply current
Reverse leakage output current Tested for input that is grounded.
5-V inputs
Threshold voltage, low
Threshold voltage, high
3.3-V output
1.8-V output
Output current limit
Load capacitance
Thermal shutdown
Thermal hysteresis（
Line regulation voltage
Load regulation voltage
Out33 load current
Out18 load current
Parameter
Advanced Analog Technology, Inc.
–
（NOTE 2）
Advanced Analog Technology, Inc
台灣類比科技股份有限公司
NOTE 2
）
Iout33+Iout18 = 250mA
Iout33=0, Iout18 = 200mA
VSB50 or VCC50 = 4.5V to 5.5V
20 mA＜I
From VCC50 VSB50 terminals, I
0 to 250mA
From AUX33 terminal, IL = 0A
Out33 or Out18 output shorted to
0V
Minimal ESR to insure stability of
regulated output
AUX33, VSB50 or VCC50 = GND,
Out33 = 3.3v
VSB50 or VCC50↓
VSB50 or VCC50↑
VSB50 = VCC50 = 0V,
AUX33 = 3.3V, I
Without copper for heat spreading
Test Condition
L
＜250 mA
L
= 150mA
L
=
3.135
Min
1.71
0.25
3.85
150
4.5
0.2
4.1
–
.
Typ
4.05
100
3.3
1.8
1.0
1.0
4.7
4.3
40
15
70
5
2
A
= 0℃ to
3.465
Max Unit
1.89
4.25
180
5.5
3.0
3.0
1.5
4.5
0.4
AAT1202
50
℃/W
mV
mV
mA
mA
V 0.1
µA
℃
µF
Ω
V
V
V
A
V
V