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| 型號(hào)： | AS1117 |
| 廠商： | Alpha Industries, Inc. |
| 英文描述： | 800mA Low Dropout Regulator SCSI-II Active Terminator |
| 中文描述： | 800mA的低壓差穩(wěn)壓器的SCSI - 2有源終結(jié)者 |
| 文件頁(yè)數(shù)： | 2/11頁(yè) |
| 文件大?。?/td> | 76K |
| 代理商： | AS1117 |
Alpha Semiconductor Inc. 1031 Serpentine Lane. Pleasanton, CA 94568 Tel: (925) 417-1391 Fax: (925) 417-1390
Rev. 9/14/99
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
Input Supply Voltage....................................-20V to +20V
ESD Rating .........................................................2KV Min
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
Typ
AS1117
Min Max
Units
1.5V Version
Output Voltage
I
OUT
= 10mA, V
IN
= 4.85V
0
≤
I
OUT
≤
800mA, 4.25
≤
V
IN
≤
10V
1.500
1.485
1.470
1.515
1.530
V
2.5V Version
Output Voltage
I
OUT
= 10mA, V
IN
= 4.85V
0
≤
I
OUT
≤
800mA, 4.25
≤
V
IN
≤
10V
2.500
2.475
2.450
2.525
2.550
V
2.85V Version
Output Voltage
I
OUT
= 10mA, V
IN
= 4.85V
0
≤
I
OUT
≤
800mA, 4.25
≤
V
IN
≤
10V
2.850
2.822
2.793
2.879
2.907
V
3.0V Version
Output Voltage
I
OUT
= 10mA, V
IN
= 4.85V
0
≤
I
OUT
≤
800mA, 4.75
≤
V
IN
≤
10V
3.000
2.970
2.940
3.030
3.060
V
3.3V Version
Output Voltage
I
OUT
= 10mA, V
IN
= 5.0V
0
≤
I
OUT
≤
800mA, 4.75
≤
V
IN
≤
10V
3.300
3.267
3.234
3.333
3.366
V
5.0V Version
Output Voltage
I
OUT
= 10mA, V
IN
= 7.0V
0
≤
I
OUT
≤
800mA, 6.50
≤
V
IN
≤
12V
5.000
4.950
4.900
5.050
5.100
V
All Output Options
Reference Voltage
I
OUT
= 10mA, (V
IN –
V
OUT
) = 2V
10
≤
I
OUT
≤
800mA, 1.4
(V
IN
-V
IN
)
≤
10V
(Note 1)
1.250
1.238
1.225
1.262
1.270
0.05
V
Output Voltage
Temperature Stability
Line Regulation
%
4.25V
≤
V
IN
≤
10V, V
OUT
= 2.85, I
OUT
= 0
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
0
≤
I
OUT
≤
800mA, V
IN
= 4.25V, V
OUT
= 2.85
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
I
L
= 100mA
I
L
= 500mA
I
L
= 800mA
4.25V
≤
V
IN
≤
6.5V
(V
IN
-V
OUT
) = 5V
25
°
C,30mS Pulse
f
RIPPLE
= 120Hz, (V
in
-V
OUT
) = 3V,
V
RIPPLE
= 1V
p-p
125°C, 1000Hrs
% of V
out
, 10Hz
≤
f
≤
10kHz
Junction to case, at tab
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.05
1.10
5.00
6.00
7.00
7.00
10.00
10.00
12.00
12.00
15.00
1.10
1.15
1.20
10.00
mV
Load Regulation
mV
Dropout Voltage
( Note 2)
V
Quiescent Current
Current Limit
Thermal Regulation
Ripple Rejection
mA
1000
0.01
60
1200
0.1
75
mA
%/W
dB
Long Term Stability
RMS Output Noise
Thermal Resistance
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.
0.03
0.003
15
%
%
°C/W
°
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