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參數(shù)資料
| 型號： | AAT1201-S-T |
| 廠商： | Advanced Analog Technology,lnc. |
| 英文描述： | 250-mA MULTI-INPUT LOW-DROPOUT REGULATOR WITH DUAL-OUTPUT POWER MANAGEMENT |
| 中文描述： | 250 - mA的多輸入低壓差穩(wěn)壓器采用雙輸出電源管理 |
| 文件頁數(shù)： | 4/21頁 |
| 文件大?。?/td> | 372K |
| 代理商： | AAT1201-S-T |
Advanced Analog Technology, Inc.
Electrical Characteristics Over Recommended Operating Free-Air Temperature, T
C
=
0
to 70
,
L
C
= 4.7μF (unless otherwise specified)
Parameter
Symbol
Test Condition
VCC50
VSB50
3.3V Output
OUT33
33
out
I
+
25
out
I
= 250mA
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
I
L
250 mA
From VCC50 VSB50 Terminals,
L
I = 0 to 250mA
AUX
I
From AUX33 Terminal,
Out33 Load Current
33
Out25 Load Current
25
Out33 or Out25 Output Shortened to
0V
Thermal Shutdown
(Note 2)
Thermal Hysteresis
(Note 2)
Minimal ESR to Insure Stability of
Regulated Output
Tested for Grounded Input
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,
Thermal Impedance,
Junction-to-Ambient
(Note 3)
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
AAT1201
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
= 200mA
-
2
-
mV
Load Regulation Voltage
(
)
IO
O
-
40
-
mV
Quiescent Supply Current
I
-
1.0
3.0
mA
L
I = 0A
-
1.0
-
-
3.0
-
-
mA
L
I
0.25
0.2
L
I
Output Current Limit
LIMIT
I
-
-
1.5
A
TSD
T
150
-
180
hys
T
-
15
-
Load Capacitance
C
-
4.7
-
μF
Reverse Leakage Output
Current
(
)
REV
Ikg
I
-
-
50
μA
3.85
4.1
4.05
4.3
4.25
4.5
V
V
SWITCH
R
VSB50 = VCC50 = 0V,
L
I = 150mA
-
-
0.4
Without Copper for Heat Spreading
-
100
-
JA
R
θ
With Copper for Heat Spreading
-
70
-
/W
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| AAT1202 | 制造商:AAT 制造商全稱:AAT 功能描述:250-mA MULTI-INPUT LOW-DROPOUT REGULATOR WITH DUAL -OUTPUT POWER MANAGEMENT |
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