AS2937
ABSOLUTE MAXIMUM RATINGS
Power Dissipation..........................................Internally Limited
Lead Temp. (Soldering, 10 Seconds) .............................. 260°C
Storage Temperature Range ......................... -65°C to +150°C
Operating Junction Temperature Range ........ -40°C to +125°C
Input Supply Voltage ................................................... +20V
Feedback Input Voltage ..................................-1.5V to +20V
Shutdown Input Voltage..................................-0.3V to +20V
Error Comparator Output................................-0.3V to +20V
ESD Rating ............................................................2KV Min
ELECTRICAL CHARACTERISTICS at V = V + 5V, I = 500mA, C = 10 F, unless otherwise specified. Limits in
µ
O
O
Boldface type apply over the entire operating temperatuINre range. All Oother specifications are TA = 25°C.
PARAMETER CONDITIONS
AS2937-2.5
AS2937-3.3
AS2937-5.0
AS2937-8.0
UNITS
2.5V
3.3V
5V
8V
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Output Voltage
Line Regulation
Load Regulation
Dropout Voltage
Quiescent Current
2.42
2.38
2.5
2.56
2.62
3.20
3.14
3.3
3.40
3.46
4.85
4.75
5.0
5.15
5.25
7.76
7.60
8.0
24
8
8.24
V
5mA ≤IO ≤0.75A
8.40
80
7.5
2.5
9.9
3.3
15
5
mV
mV
25
33
50
VO+2V≤VIN≤ 20V
IO=5mA
25
33
50
80
50mA≤IO≤ 500mA
IL = 50 mA
IL = 500mA
110
0.5
2
110
0.5
2
110
0.5
2
110
0.5
2
mV
V
mA
250
1.0
250
1.0
250
1.0
250
1.0
10
10
10
10
VO + 2V ≤VIN≤20V
IO = 5mA
10
75
10
99
10
10
mA
20
20
20
20
V
IN=VO+5V
IO=500mA
Output Noise
Voltage
10Hz - 100kHz
150
240
µVRMS
IO = 5mA
Ripple Rejection
FO = 120Hz, 1VRMS
IO = 500mA
60
72
60
72
60
72
20
60
72
32
dB
54
54
54
54
Long Term Stability
10
1.0
75
13.2
1.0
75
mV/ 1000Hr
Short Circuit
Current
0.6
60
1.0
60
1.0
60
A
V
V
V
0.6
60
0.60
75
0.60
75
Maximum Line
RO = 100Ω
T ≤ 100ms
Transient
Reverse Polarity
DC Input Voltage
Reverse Polarity
Transient Input
Voltage
-15
-50
-30
-75
-15
-50
-30
-75
-15
-50
-30
-75
-15
-50
-30
-75
R
O = 100Ω
RO = 100Ω
T ≤ 100ms
Rev. 9/29/00
SIPEX [ SIPEX CORPORATION ]
