AS2954
ORDERING INFORMATION
TO-263
3-PIN
TO-263
5-PIN
TO-92
3 PIN
TO-220
3 PIN
AS2954YU3-X
TO-220
5 PIN
AS2954YU5-X
PLASTIC SOIC
8 PIN
AS2954YS-X
SOT-223
3 PIN
AS2954YM3-X
OPER.TEMP.
RANGE
-40°C to +125°C
AS2954YT3-X
AS2954YT5-X
AS2954YN-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)
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
AS2954.................................................. -40C° to +125°C
ELECTRICAL CHARACTERISTICS at VS=±15V, TA=25°C, unless otherwise noted.
applies over the full
Boldface
operating temperature range.
Parameter
Conditions
Typical
AS2954A
AS2954
Min Max
AS2954B
Units
Min Max
Min
Max
3.3V Version
Output Voltage
Output Voltage
3.3
3.284
3.317
3.333
3.340
3.267
3.333
3.350
3.366
3.234
3.201
3.194
3.366
3.399
3.432
V
T =25 C
°
≤
J
3.267
3.260
3.251
3.234
-25 C
T
J
+85 C
≤ °
°
-40 C TJ +125 C
°
≤
≤
°
V
3.3
3.251
3.350
3.201
3.399
3.168
3.432
1mA
I
250mA
≤
≤
L
TJ
T
JMAX
≤
5V Version
Output Voltage
5.0
5.0
5.0
4.975
4.95
4.94
5.025
5.050
5.06
4.95
4.925
4.90
5.05
5.075
5.10
4.90
4.85
4.84
5.10
5.15
5.20
V
V
T =25 C
°
≤
J
-25 C
T
J
+85 C
≤ °
°
-40 C TJ +125 C
°
≤
≤
°
Output Voltage
5.0
4.925
5.075
4.85
5.15
4.80
5.20
1mA
I
250mA
≤
≤
L
TJ
T
JMAX
≤
All Voltage Options
Output Voltage
20
0.03
0.04
60
ppm/°C
%max
%max
mV
100
150
180
Temperature Coefficient
Line Regulation (Note 3)
(Note 1)
6V
0.10
0.20
0.16
0.20
100
150
250
420
300
450
450
600
150
180
2
0.20
0.40
0.20
0.30
100
150
250
420
300
450
450
600
150
180
2
0.40
0.60
0.30
0.40
100
150
250
420
300
450
450
600
150
180
2
V
30V (Note 4)
≤
≤
IN
Load Regulation (Note 3)
IL = 1 to 250 mA
IL = 0.1 to 1 mA
IL = 1mA
Dropout Voltage
(Note 5)
IL = 50mA
IL= 100mA
IL= 250 mA
220
250
375
90
Ground Current
IL = 1mA
A
µ
IL = 50mA
IL = 100mA
IL = 250 mA
VOUT = 0
1
mA
2.5
6
2.5
6
2.5
6
4.5
21
8
8
8
14
20
26
16
22
28
Current Limit
550
600
0.2
550
600
0.2
550
600
0.2
mA
Thermal Regulation
0.05
400
%/w
Output Noise,
10Hz to 100khz
IL = 100mA
8-Pin Versions only
Reference Voltage
CL = 2.2 F
V rms
µ
µ
260
Typical
1.235
CL = 33
F
µ
AS2954A
AS2954
AS2954B
1.220
1.200
1.190
1.250
1.260
1.27
1.210
1.200
1.185
1.260
1.270
1.285
1.200
1.190
1.180
1.270
1.280
1.295
V
Reference Voltage
Over Temperature (Note 6)
(Note 7)
V
Feedback Pin Bias Current
20
40
60
40
60
40
60
nA
Reference Voltage Temperature
Coefficient
Feedback Pin Bias Current
Temperature Coefficient
ppm/°C
nA/°C
50
0.1
Rev.9/29/00
SIPEX [ SIPEX CORPORATION ]
