參數資料
型號： AS1117
元件分類： 基準電壓源/電流源
英文描述： Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection
中文描述： 無電容，NMOS管，150mA的低壓差穩(wěn)壓器的反向電流保護
文件頁數： 2/9頁
文件大?。?/td> 141K
代理商： AS1117
Rev. 10/6/00
AS1117
ABSOLUTE MAXIMUM RATINGS
Power Dissipation..........................................Internally Limited
Lead Temp. (Soldering, 5 Seconds)................................260°C
Storage Temperature Range ............................-65° to +150°C
Operating Junction Temperature Range
AS1117.................................................. -40C° to +125°C
ELECTRICAL CHARACTERISTICS
at
V
IN
= V
OUT
+1
, Ta=25°C, CL =3.3
μ
f, unless otherwise specified. Limits in
Boldface
apply over the full operating temperature range.
Parameter
Conditions
1.5V Version
Output Voltage
I
OUT
= 10mA, V
IN
= 4.85V
0
≤
I
OUT
≤
800mA, 4.25
≤
V
IN
≤
10V
2.5V Version
Output Voltage
I
OUT
= 10mA, V
IN
= 4.85V
0
≤
I
OUT
≤
800mA, 4.25
≤
V
IN
≤
10V
3.0V Version
Output Voltage
I
OUT
= 10mA, V
IN
= 4.85V
0
≤
I
OUT
≤
800mA, 4.75
≤
V
IN
≤
10V
3.3V Version
Output Voltage
I
OUT
= 10mA, V
IN
= 5.0V
0
≤
I
OUT
≤
800mA, 4.75
≤
V
IN
≤
10V
5.0V Version
Output Voltage
I
OUT
= 10mA, V
IN
= 7.0V
0
≤
I
OUT
≤
800mA, 6.50
≤
V
IN
≤
12V
All Output Options
Reference Voltage
I
OUT
= 10mA, (V
IN –
V
OUT
) = 2V
10
≤
I
OUT
≤
800mA, 1.4
≤
(V
IN
-V
IN
)
≤
10V
Output Voltage
Temperature Stability
Line Regulation
4.50V
≤
V
IN
≤
12V, V
OUT
= 3.00, I
OUT
= 0
4.80V
≤
V
IN
≤
12V, V
OUT
= 3.30, I
OUT
= 0
6.50V
≤
V
IN
≤
15V, V
OUT
= 5.00, I
OUT
= 0
Load Regulation
0
≤
I
OUT
≤
800mA, V
IN
= 4.50V, V
OUT
= 3.00
0
≤
I
OUT
≤
800mA, V
IN
= 4.80V, V
OUT
= 3.30
0
≤
I
OUT
≤
800mA, V
IN
= 6.50V, V
OUT
= 5.00
Dropout Voltage
( Note 2)
I
L
= 500mA
I
L
= 800mA
Quiescent Current
4.25V
≤
V
IN
≤
6.5V
Current Limit
(V
IN
-V
OUT
) = 5V
Thermal Regulation
25
°
C,30mS Pulse
Ripple Rejection
f
RIPPLE
= 120Hz, (V
in
-V
OUT
) = 3V,
V
RIPPLE
= 1V
p-p
Long Term Stability
125°C, 1000Hrs
RMS Output Noise
% of V
out
, 10Hz
≤
f
≤
10kHz
Thermal Resistance
Junction to case, at tab
Input Supply Voltage ......................................-20V to +20V
ESD Rating ............................................................2KV Min
Typ
AS1117
Min Max
Units
1.500
1.485
1.470
1.515
1.530
V
2.500
2.475
2.450
2.525
2.550
V
3.000
2.970
2.940
3.030
3.060
V
3.300
3.267
3.234
3.333
3.366
V
5.000
4.950
4.900
5.050
5.100
V
1.250
1.238
1.225
1.262
1.270
0.05
V
(Note 1)
%
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.05
1.10
5.00
7.00
7.00
10.00
12.00
12.00
15.00
1.10
1.15
1.20
10.00
mV
mV
I
L
= 100mA
V
mA
1000
0.01
60
1200
0.1
75
mA
%/W
dB
0.03
0.003
15
%
%
°C/W
°
Note 1:
Output temperature coefficient is defined as the worst case voltage change divided by the total temperature range
Note 2:
Dropout voltage is defined as the input to output differential at which the output voltage drops 100mV below its nominal value measured at 1V differential at very low values of
programmed output voltage, the minimum input supply voltage of 2V ( 2.3V over temperature) must be taken into account.
Note 3:
Thermal regulation is defined as the change in output voltage at a time T after a change in power dissipation is applied. excluding load or line regulation effect.
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