SPX3940AM3-L-5-0 Exar Corporation, SPX3940AM3-L-5-0 Datasheet - Page 4

• Manufacturer Part Number: SPX3940AM3-L-5-0
• Description: IC REG LDO 5.0V 1A SOT223-3
• Manufacturer: Exar Corporation
• Series: -r

Specifications of SPX3940AM3-L-5-0

• Package / Case: TO-261-4, TO-261AA, SOT-223-4
• Regulator Topology: Positive Fixed
• Voltage - Output: 5V
• Voltage - Input: Up to 16V
• Voltage - Dropout (typical): 0.28V @ 1A
• Number Of Regulators: 1
• Current - Output: 1A
• Current - Limit (min): 1.5A
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Number Of Outputs: 1
• Polarity: Positive, Negative, Reverse
• Input Voltage Max: 16 V
• Output Voltage: 5 V
• Output Type: Fixed
• Dropout Voltage (max): 280 mV
• Output Current: 1 A
• Load Regulation: 1.5 %
• Voltage Regulation Accuracy: 1 %
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

I
Date: 4/14/06 Rev A
I
Figure 10. Ground Current vs Temperature at
Figure 6. Ground Current vs Load Current in Dropout
Figure 8. Ground Current vs Temperature at
LOAD
LOAD
=500mA
7.00
6.80
6.60
6.40
6.20
6.00
5.80
5.60
5.40
5.20
5.00
280
270
260
250
240
230
220
210
200
190
180
= 10mA
100
90
80
70
60
50
40
30
20
10
-40
-40
0
0
-20
-20
0.25
0
0
0.5
20
20
Temperature (°C)
Temperature (°C)
IL(A)
40
40
0.75
60
60
1
80
80
3.3V Device
V
IL = 10mA
CL = 10µF
IN
3.3 Device
V
CL = 10µF
= 4.3V
3.3V Device
V
IL = 500mA
CL = 10µF
IN
IN
1.25
100
100
= 3.2V
= 4.3V
SPX3940 1A Low Dropout Voltage Regulator
120
120
1.5
TYPICAL PERFORMANCE CHARACTERISTICS
4
Figure 9. Output Voltage vs Temperature at
I
Figure 11. Ground Current vs Temperature in Dropout
at I
LOAD
LOAD
600
500
400
300
200
100
3.320
3.310
3.300
3.290
3.280
3.270
3.260
3.250
3.240
3.230
3.220
=10mA
30
29
28
27
26
25
24
23
22
21
20
0
-40
-40
=750mA
0
Figure 7. Dropout Voltage vs Load Current
-20
-20
0.25
0
0
0.5
20
20
Temperature (°C)
Temperature (°C)
© Copyright 2006 Sipex Corporation
IL (A)
0.75
40
40
60
60
1
80
80
3.3V Device
CL = 10µF
3.3V Device
V
IL = 10mA
CL = 10µF
IN
3.3V Device
V
IL = 750mA
CL = 10µF
1.25
= 4.3V
IN
100
100
= 3.2V
120
120
1.5