MIC2940A-5.0WU Micrel Inc, MIC2940A-5.0WU Datasheet - Page 6

• Manufacturer Part Number: MIC2940A-5.0WU
• Description: IC REG LDO 1.25A 5.0V TO263
• Manufacturer: Micrel Inc

Specifications of MIC2940A-5.0WU

• Regulator Topology: Positive Fixed
• Voltage - Output: 5V
• Voltage - Input: Up to 26V
• Voltage - Dropout (typical): 0.4V @ 1.25A
• Number Of Regulators: 1
• Current - Output: 1.25A
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: TO-263-3, D²Pak (3 leads + Tab), TO-263AA
• Primary Input Voltage: 26V
• Output Voltage Fixed: 5V
• Dropout Voltage Vdo: 350mV
• No. Of Pins: 3
• Output Current: 1.25A
• Operating Temperature Range: -40°C To +125°C
• Termination Type: SMD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Limit (min): -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 576-1137

Typical Characteristics (continued)
Micrel, Inc.
July 2007
125
100
75
50
25
50
40
30
20
10
MIC29401/2 Shutdown Current
0
0
-60 -30
-60 -30
Current vs. Temperature
MIC29402/3 Adjust Pin
vs. Temperature
TEMPERATURE (°C)
TEMPERATURE (°C)
0
0
I
LOAD
30
30
= 5mA
V
V
60
60
E N
E N
= 5V
= 2V
90 120 150
90 120 150
-250
-500
-0.5
750
500
250
0.01
2.0
1.5
1.0
0.5
0.0
-20
-40
40
20
10
0.1
10
0
0
8
6
4
-0.2
-5
1
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
5mA
C
OUT
Output Impedance
Load Transient
Line Transient
FREQUENCY (Hz)
vs. Frequency
= 10 µF
0
TIME (ms)
TIME (ms)
C
OUT
I
6
LOAD
= 10 µF
5
= 10mA
10
-100
-200
-0.5
-10
200
100
2.0
1.5
1.0
0.5
0.0
20
10
10
0
8
6
4
-0.2
0
-5
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
5mA
C
OUT
Line Transient
Load Transient
= 100 µF
0
TIME (ms)
TIME (ms)
MIC2940A/2941A
C
OUT
M9999-071307
= 100 µF
5
10