參數(shù)資料
型號: AAT3239ITS-3.3-T1
廠商: Advanced Analog Technology,lnc.
英文描述: 500mA MicroPower LDO
中文描述: 500mA的微功率LDO
文件頁數(shù): 4/14頁
文件大?。?/td> 290K
代理商: AAT3239ITS-3.3-T1
Electrical Characteristics
1
V
IN
= V
OUT(NOM)
+ 1.2V for V
OUT
options greater than 1.5V. V
IN
= 2.5 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
Units
I
OUT
= 1mA to 300mA
T
A
= 25°C
T
A
= -40 to 85°C -2.5
T
A
= 25°C
T
A
= -40 to 85°C -3.5
1.5
2.5
2.0
3.5
V
OUT
Output Voltage Tolerance
%
I
OUT
= 1mA to 500mA
-2.0
I
OUT
Output Current
V
OUT
> 1.2V
I
OUT
= 300mA
I
OUT
= 500mA
V
OUT
< 0.4V
V
IN
= 5V, No Load, EN = V
IN
V
IN
= 5V, EN = 0V
500
mA
mV
V
mA
μA
μA
V
DO
Dropout Voltage
2, 3
400
0.8
600
70
600
1.2
I
SC
I
Q
I
SD
Short-Circuit Current
Ground Current
Shutdown Current
125
1
V
OUT
/
V
OUT
*
V
IN
Line Regulation
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
= 500mA, T
R
/T
F
= 2μs
I
OUT
= 1mA to 300mA, T
R
<5μs
I
OUT
= 1mA to 500mA, T
R
<5μs
BYP = Open
2.5
mV
V
OUT
(load)
Dynamic Load Regulation
100
120
15
mV
t
ENDLY
V
EN(L)
V
EN(H)
I
EN
Enable Delay Time
Enable Threshold Low
Enable Threshold High
Leakage Current on Enable Pin
μs
V
V
μA
0.6
1.5
V
EN
= 5V
1
1kHz
10kHz
1MHz
67
47
45
PSRR
Power Supply Rejection Ratio
I
OUT
= 10mA,
C
BYP
= 10nF
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
Noise Power BW = 300Hz to 50kHz
50
μVrms
TC
22
ppm/°C
AAT3239
500mA MicroPower LDO
4
3239.2006.03.1.2
1. The AAT3239 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured
by design, characterization, and correlation with statistical process controls.
2. V
is defined as V
IN
- V
when V
OUT
is 98% of nominal.
3. For V
OUT
< 2.1V, V
DO
= 2.5V - V
OUT
.
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