參數(shù)資料
型號(hào)： AAT1205-S-T
廠商： Advanced Analog Technology,lnc.
英文描述： 400-mA MULTI-INPUT LOW-DROPOUT REGULATOR WITH DUAL OUTPUT POWER MANAGEMENT
中文描述： 400毫安多輸入低壓差穩(wěn)壓器，配有雙輸出電源管理
文件頁數(shù)： 4/21頁
文件大?。?/td> 451K
代理商： AAT1205-S-T
Advanced Analog Technology, Inc.
Electrical Characteristics Over Recommended Operating Free-Air Temperature,
T
C
= 0
to 70
,
C
L
= 4.7μF (unless otherwise specified)
Parameter
Symbol
Test Condition
VCC50
VSB50
3.3V Output
OUT33
33
out
I
+
25
out
I
= 400mA
2.5V Output
OUT25
33
out
I
=0,
25
out
I
Line Regulation Voltage
(
)
VI
O
V
VSB50 or VCC50 = 4.5V to 5.5V
V
20 mA
From VCC50 VSB50 terminals,
to 400mA
I
AUX
I
From AUX33 terminal,
Out33 Load Current
33
Out25 Load Current
25
Out33 or Out25 output shorted
to 0V
Thermal Shutdown
(Note 2)
TSD
T
Thermal Hysteresis
(Note 2)
Minimal ESR to insure stability of
regulated output
Tested for input that is grounded.
AUX33, VSB50 or VCC50 = GND,
Out33 = 3.3V
Threshold Voltage, Low
LO
V
VSB50 or VCC50
↓
Threshold Voltage, High
V
VSB50 or VCC50
↑
Auxiliary Switch
Resistance
AUX33 = 3.3V,
Power Pad is not soldered on the heat
spreading copper
spreading copper
Note 2
Design targets only. Not tested in production.
Note 3
Please refer to "Thermal Information"
–
–
Advanced Analog Technology, Inc
.
–
–
Page 4 of 21 V 1.0
AAT1205
Min
Typ
Max Unit
5V Inputs
4.5
5.0
5.5
V
3.135
2.375
3.300
2.500
3.465
2.625
V
V
= 300mA
-
2
-
mV
Load Regulation Voltage
(
)
IO
O
L
I
250 mA
-
40
-
mV
Quiescent Supply Current
I
L
I = 0
-
1.0
3.0
mA
AUX
L
I = 0A
-
1.0
-
-
3.0
-
-
mA
L
I
0.4
0.3
L
I
Output Current Limit
LIMIT
I
-
-
1.5
A
150
-
180
hys
T
-
15
-
Load Capacitance
C
-
4.7
-
μF
Reverse Leakage Output
Current
(
)
REV
Ikg
I
-
-
50
μA
4.0
4.25
4.2
4.45
4.4
4.65
V
V
SWITCH
R
VSB50 = VCC50 = 0V,
L
I = 150mA
-
-
0.4
JA
R
θ
-
80
-
Power Pad is soldered on the heat
-
50
-
/
W
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