AAT1205 Datasheet, PDF (4/21 Pages) Advanced Analog Technology, Inc. – 400-mA MULTI-INPUT LOW-DROPOUT REGULATOR WITH DUAL OUTPUT POWER MANAGEMENT

Advanced Analog Technology, Inc.
AAT1205
Electrical Characteristics Over Recommended Operating Free-Air Temperature,
T_C = 0 to 70 , C_L = 4.7µF (unless otherwise specified)
Parameter
Symbol
Test Condition
Min
Typ Max Unit
5V Inputs
3.3V Output
2.5V Output
Line Regulation Voltage
Load Regulation Voltage
Quiescent Supply Current
I _AUX
Out33 Load Current
Out25 Load Current
Output Current Limit
VCC50
VSB50
OUT33
OUT25
∆V_O(∆VI)
∆V_O(∆IO)
I ₅₀
I _AUX
I _L33
I _L25
I _LIMIT
I_out33 + I_out25 = 400mA
I_out33 =0, I_out25 = 300mA
VSB50 or VCC50 = 4.5V to 5.5V
20 mA I_L 250 mA
From VCC50 VSB50 terminals, I_L = 0
to 400mA
From AUX33 terminal, I_L = 0A
Out33 or Out25 output shorted
to 0V
4.5
3.135
2.375
-
-
-
-
0.4
0.3
-
5.0
3.300
2.500
2
40
1.0
1.0
-
-
-
5.5 V
3.465 V
2.625 V
- mV
- mV
3.0 mA
3.0 mA
-
-
A
1.5
Thermal Shutdown (Note 2)
T_TSD
Thermal Hysteresis
(Note 2)
T_hys
150
-
180
-
15
-
Load Capacitance
C_L
Minimal ESR to insure stability of
regulated output
-
4.7
- µF
Reverse Leakage Output
Current
I_{Ikg(REV )}
Tested for input that is grounded.
AUX33, VSB50 or VCC50 = GND,
Out33 = 3.3V
-
Threshold Voltage, Low
V_LO
VSB50 or VCC50↓
4.0
Threshold Voltage, High
V_HI
VSB50 or VCC50↑
4.25
Auxiliary Switch
Resistance
VSB50 = VCC50 = 0V,
R _{SWITCH AUX33 = 3.3V, IL = 150mA}
-
R _θJA
Power Pad is not soldered on the heat
spreading copper
-
Power Pad is soldered on the heat
spreading copper
-
-
50 µA
4.2
4.4 V
4.45
4.65 V
-
0.4 Ω
80
-
/
50
-
W
Note 2 Design targets only. Not tested in production.
Note 3 Please refer to "Thermal Information"
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– Advanced Analog Technology, Inc. –
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