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
SPX2937
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 VIN = VO + 5V, IO = 500mA, CO = 10 µF, unless otherwise specified. Limits in
Boldface type apply over the entire operating temperature range. All other specifications are TA = 25°C.
PARAMETER CONDITIONS
SPX2937-2.5
SPX2937-3.3
SPX2937-5.0
SPX2937-8.0
UNITS
Min Typ Max Min Typ Max Min Typ Max Min Typ Max
Output Voltage 5mA ≤IO ≤0.75A
2.42 2.5 2.56 3.20 3.3 3.40 4.85 5.0 5.15 7.76 8.0 8.24 V
2.38
2.62 3.14
3.46 4.75
5.25 7.60
8.40
Line Regulation
Load Regulation
VO+2V≤VIN≤ 20V
IO=5mA
50mA≤IO≤ 500mA
7.5
25
2.5
25
9.9 33
3.3 33
15
50
5
50
24
80 mV
8
80 mV
Dropout Voltage
Quiescent
Current
Output Noise
Voltage
IL = 50 mA
IL = 500mA
VO + 2V ≤VIN≤20V
IO = 5mA
VIN=VO+5V
IO=500mA
10Hz - 100kHz
IO = 5mA
110 250
0.5 1.0
2
10
10
20
75
110 250
0.5 1.0
2
10
10
20
99
110 250
0.5 1.0
2
10
10
20
150
110 250 mV
0.5 1.0 V
2
10 mA
10
20 mA
240
µVRMS
Ripple Rejection FO = 120Hz, 1VRMS
IO = 500mA
60
72
54
60
72
60
72
54
54
Long Term
Stability
10
13.2
20
Short Circuit
Current
0.6 1.0
0.6 1.0
1.0 0.60
Maximum Line
Transient
Reverse Polarity
DC Input
Voltage
RO = 100Ω
T ≤ 100ms
RO = 100Ω
60
75
-15 -30
60
75
-15 -30
60
75
-15 -30
Reverse Polarity
Transient Input
Voltage
RO = 100Ω
T ≤ 100ms
-50 -75
-50 -75
-50 -75
60 72
54
32
1.0 0.60
60 75
-15 -30
-50 -75
dB
mV/ 1000Hr
A
V
V
V
Rev. 10/30/00