參數資料
型號： AS2954AT3-5.0
英文描述： Analog IC
中文描述： 模擬IC
文件頁數： 2/6頁
文件大?。?/td> 182K
代理商： AS2954AT3-5.0
Rev.9/29/00
AS2954
ORDERING INFORMATION
TO-263
3-PIN
5-PIN
3 PIN
3 PIN
5 PIN
AS2954YT3-X
AS2954YT5-X
AS2954YN-X
AS2954YU3-X
AS2954YU5-X
X= Output Voltage: (3.3 for 3.3V, 5.0 for 5.0V)
Y= Output Tolerance (A = 0.5%, Blank = 1%; B = 2%)
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 (Note 9)
AS2954.................................................. -40C° to +125°C
ELECTRICAL CHARACTERISTICS
at V
S
=±15V, T
A
=25°C
,
unless otherwise noted.
Boldface
applies over the full
operating temperature range.
Parameter
Conditions
Typical
TO-263
TO-92
TO-220
TO-220
PLASTIC SOIC
8 PIN
AS2954YS-X
SOT-223
3 PIN
AS2954YM3-X
OPER.TEMP.
RANGE
-40
°
C to +125
°
C
Input Supply Voltage .......................................-20V to +60V
Feedback Input Voltage.....................................-1.5 to +30V
Shutdown Input Voltage.....................................-0.3 to +30V
Error Comparator Output...................................-0.3 to +30V
ESD Rating ............................................................2KV Min
AS2954A
Min Max
AS2954
Min Max
AS2954B
Min Max
Units
3.3V Version
Output Voltage
T
J
=25
°
C
-25
°
C
≤
T
J
≤
+85
°
C
-40
°
C
≤
T
J
≤
+125
°
C
1mA
≤
I
L
≤
250mA
T
J
≤
T
JMAX
3.3
3.284
3.267
3.260
3.251
3.317
3.333
3.340
3.350
3.267
3.251
3.234
3.201
3.333
3.350
3.366
3.399
3.234
3.201
3.194
3.168
3.366
3.399
3.432
3.432
V
Output Voltage
3.3
V
5V Version
Output Voltage
T
J
=25
°
C
-25
°
C
≤
T
J
≤
+85
°
C
-40
°
C
≤
T
J
≤
+125
°
C
1mA
≤
I
L
≤
250mA
T
J
≤
T
JMAX
5.0
5.0
5.0
5.0
4.975
4.95
4.94
4.925
5.025
5.050
5.06
5.075
4.95
4.925
4.90
4.85
5.05
5.075
5.10
5.15
4.90
4.85
4.84
4.80
5.10
5.15
5.20
5.20
V
Output Voltage
V
All Voltage Options
Output Voltage
Temperature Coefficient
Line Regulation (Note 3)
(Note 1)
6V
≤
V
IN
≤
30V (Note 4)
20
100
150
180
ppm/°C
0.03
0.10
0.20
0.16
0.20
100
150
250
420
300
450
450
600
150
180
2
2.5
6
8
14
16
550
600
0.2
0.20
0.40
0.20
0.30
100
150
250
420
300
450
450
600
150
180
2
2.5
6
8
20
22
550
600
0.2
0.40
0.60
0.30
0.40
100
150
250
420
300
450
450
600
150
180
2
2.5
6
8
26
28
550
600
0.2
%max
Load Regulation (Note 3)
I
L
= 1 to 250 mA
I
L
= 0.1 to 1 mA
I
L
= 1mA
I
L
= 50mA
I
L
= 100mA
I
L
= 250 mA
I
L
= 1mA
I
L
= 50mA
I
L
= 100mA
I
L
= 250 mA
0.04
%max
Dropout Voltage
(Note 5)
60
220
250
375
mV
Ground Current
90
1
4.5
21
μ
A
mA
Current Limit
Thermal Regulation
V
OUT
= 0
mA
0.05
%/w
Output Noise,
10Hz to 100khz
I
L
= 100mA
8-Pin Versions only
Reference Voltage
C
L
= 2.2
μ
F
C
L
= 33
μ
F
400
260
Typical
1.235
μ
V rms
AS2954A
1.220
1.200
1.190
AS2954
AS2954B
1.200
1.190
1.180
1.250
1.260
1.27
1.210
1.200
1.185
1.260
1.270
1.285
1.270
1.280
1.295
V
Reference Voltage
Over Temperature (Note 6)
V
Feedback Pin Bias Current
20
40
60
40
60
40
60
nA
Reference Voltage Temperature
Coefficient
Feedback Pin Bias Current
Temperature Coefficient
(Note 7)
50
0.1
ppm/°C
nA/°C
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