Advanced Analog Technology, Inc.
Electrical Characteristics Over Recommended Operating Free-Air Temperature, TC =
0℃ to 70℃, C = 4.7µF (unless otherwise specified)
L
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
VCC50
5V Inputs
4.5
5.0
5.5
V
VSB50
Iout33 + Iout25 = 250mA
3.3V Output
2.5V Output
Line Regulation Voltage
Load Regulation Voltage
OUT33
OUT25
∆VO
3.135
2.375
-
-
3.300
2.500
2
3.465
2.625
-
-
V
V
mV
mV
Iout33 =0, Iout25 = 200mA
VSB50 or VCC50 = 4.5V to 5.5V
20 mA＜IL＜250 mA
(
(
∆VI
∆IO
)
)
∆VO
40
From VCC50 VSB50 Terminals,
I50
Quiescent Supply Current
-
1.0
3.0
mA
mA
IL = 0 to 250mA
IAUX
IL33
IL25
From AUX33 Terminal, IL = 0A
-
1.0
-
-
3.0
-
-
Out33 Load Current
Out25 Load Current
0.25
0.2
A
Out33 or Out25 Output Shortened to
0V
ILIMIT
TTSD
Thys
Output Current Limit
-
150
-
-
-
1.5
180
-
Thermal Shutdown
(Note 2)
℃
Thermal Hysteresis
15
(Note 2)
Minimal ESR to Insure Stability of
Regulated Output
Tested for Grounded Input
AUX33, VSB50 or VCC50 = GND,
Out33 = 3.3V
CL
Load Capacitance
-
-
4.7
-
-
µF
Reverse Leakage Output
Current
IIkg
50
µA
(
REV)
VLO
VHI
Threshold Voltage, Low
Threshold Voltage, High
VSB50 or VCC50↓
VSB50 or VCC50↑
3.85
4.1
4.05
4.3
4.25
4.5
V
V
VSB50 = VCC50 = 0V,
AUX33 = 3.3V, IL = 150mA
Auxiliary Switch
RSWITCH
-
-
0.4
Ω
Resistance
Thermal Impedance,
Without Copper for Heat Spreading
With Copper for Heat Spreading
-
-
100
70
-
-
RθJA
℃/W
Junction-to-Ambient
(Note 3)
Note 2：Design targets only. Not tested in production.
Note 3：Please refer to "Thermal Information"
– 台灣類比科技股份有限公司 –
– Advanced Analog Technology, Inc. –
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