SPX2941T5-L Exar Corporation, SPX2941T5-L Datasheet - Page 4

• Manufacturer Part Number: SPX2941T5-L
• Description: IC REG LDO ADJ 1.0A TO263-5
• Manufacturer: Exar Corporation

Specifications of SPX2941T5-L

• Package / Case: TO-263-6, D²Pak (5 leads + Tab), TO-263BA
• Regulator Topology: Positive Adjustable
• Voltage - Output: Adj down to 1.25V
• Voltage - Input: 3 ~ 16 V
• 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
• Input Voltage Max: 16 V
• Output Voltage: 1.25 V
• Output Type: Adjustable
• Dropout Voltage (max): 0.2 V at 100 mA
• Output Current: 1.5 A
• Line Regulation: 1 %
• Load Regulation: 1.5 %
• Voltage Regulation Accuracy: 3 %
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Reference Voltage: 1.252 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 1016-1245-5

Date: Sept 28-06 Rev E
Figure 3. Line Regulation for 3.3V Device
Figure 5. Ground Current vs Load Current for 3.3V Device Figure 6. Ground Current vs Input Current
Figure 7. Ground Current vs Load Current in Dropout
3.320
3.315
3.310
3.305
3.300
3.295
3.290
3.285
3.280
80.0
70.0
60.0
50.0
40.0
30.0
20.0
10.0
100
0.0
90
80
70
60
50
40
30
20
10
0
0.00
0.00
4
0.25
0.25
6
0.50
0.50
8
V
IL (A)
IL (A)
IN
0.75
0.75
10
(V)
1.00
1.00
12
SPX294 A Low Dropout Linear Regulator
3.3V Device
IL = 10mA
CL = 10 F
3.3V Device
V
CL = 10 F
3.3V Device
V
CL = 10 F
IN
1.25
IN
1.25
14
= 4.3V
= 3.2V
TYPICAL PERFORMANCE CHARACTERISTICS
1.50
1.50
16
4
Device
Figure 4. Load Regulation for 3.3V Device
Figure 8. Dropout Voltage vs Load Current for 3.3V
3.310
3.305
3.300
3.295
3.290
3.285
3.280
300
280
260
240
220
200
180
600
500
400
300
200
100
0
0.00
0.00
4
0.25
0.25
6
0.50
0.50
8
V
IL (A)
IL (A)
IN
0.75
10
0.75
(V)
1.00
12
1.00
© 2006 Sipex Corporation
3.3V Device
V
CL = 10 F
3.3V Device
IL = 10mA
CL = 10 F
IN
3.3V Device
CL = 10 F
= 4.3V
1.25
14
1.25
1.50
1.50
16