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參數(shù)資料
| 型號： | AAT3237 |
| 廠商： | Advanced Analogic Technologies, Inc. |
| 英文描述： | 300mA MicroPower⑩ LDO with PowerOK |
| 中文描述： | ⑩微功耗300mA的LDO穩(wěn)壓器與PowerOK |
| 文件頁數(shù)： | 4/13頁 |
| 文件大小： | 172K |
| 代理商： | AAT3237 |
Electrical Characteristics
V
IN
= V
OUT(NOM)
+ 1V for V
OUT
options greater than 1.5V. V
IN
= 2.5V for V
OUT
≤
1.5V. I
OUT
= 1mA, C
OUT
= 2.2μF,
C
IN
= 1μF, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are T
A
= 25°C.
Symbol
Description
Conditions
Min Typ Max
-1.5
-2.5
300
400
600
70
Units
V
OUT
Output Voltage Tolerance
I
OUT
= 1mAto 300mA
T
A
= 25°C
T
A
= -40 to 85°C
1.5
2.5
%
I
OUT
V
DO
I
SC
I
Q
I
SD
V
OUT
/
V
OUT
*
V
IN
Output Current
Dropout Voltage
1, 2
Short-Circuit Current
Ground Current
Shutdown Current
V
OUT
> 1.2V
I
OUT
= 300mA
V
OUT
< 0.4V
V
IN
= 5V, No Load, EN = V
IN
V
IN
= 5V, EN = 0V
mA
mV
mA
μA
μA
600
125
1
Line Regulation
3
V
IN
= V
OUT
+ 1 to 5.0V
0.09
%/V
V
OUT
(line)
Dynamic Line Regulation
V
IN
= V
OUT
+ 1V to V
OUT
+ 2V,
I
OUT
= 300mA, T
R
/T
F
= 2μs
I
OUT
= 1mAto 300mA, T
R
<5μs
5
mV
V
OUT
(load)
V
EN(L)
V
EN(H)
I
EN
V
POK
V
POKHYS
V
POK(OL)
I
POK
Dynamic Load Regulation
Enable Threshold Low
Enable Threshold High
Leakage Current on Enable Pin
POK Trip Threshold
POK Hysteresis
POK Output Voltage Low
POK Output Leakage Current
60
mV
V
V
μA
0.6
1.5
V
EN
= 5V
V
OUT
Rising, T
A
= 25°C
1
98
90
94
1
% of V
OUT
% of V
OUT
V
μA
I
SINK
= 1mA
V
POK
< 5.5V, V
OUT
in Regulation
0.4
1
1kHz
10kHz
1MHz
65
45
42
PSRR
Power Supply Rejection Ratio
I
OUT
= 10mA
dB
T
SD
Over-Temperature Shutdown
Threshold
Over-Temperature Shutdown
Hysteresis
Output Noise
Output Voltage Temperature
Coefficient
145
°C
T
HYS
12
°C
e
N
250
μVrms
TC
22
ppm/°C
AAT3237
300mA MicroPower LDO with PowerOK
4
3237.2006.01.1.4
1. V
DO
is defined as V
IN
- V
OUT
when V
OUT
is 98% of nominal.
2. For V
OUT
< 2.1V, V
DO
= 2.5V - V
OUT
.
3. C
IN
= 10μF.
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| AAT3237BIGU-2.8-T1 | 制造商:Skyworks Solutions Inc 功能描述:300mA MicroPower LDO-Linear Regulator |
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| AAT3237IGU-1.2-T1 | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:300mA MicroPower⑩ LDO with PowerOK |
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