MIC2937A-12WU Micrel Inc, MIC2937A-12WU Datasheet - Page 6

• Manufacturer Part Number: MIC2937A-12WU
• Description: IC REG LDO 750MA 12V TO-263-3
• Manufacturer: Micrel Inc

Specifications of MIC2937A-12WU

• Regulator Topology: Positive Fixed
• Voltage - Output: 12V
• Voltage - Input: Up to 26V
• Voltage - Dropout (typical): 0.37V @ 750mA
• Number Of Regulators: 1
• Current - Output: 750mA
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: TO-263-3, D²Pak (3 leads + Tab), TO-263AA
• Voltage Regulator Type: Linear
• Topology: LDO
• Regulator Output Type: Fixed
• Polarity Type: Positive
• Number Of Outputs: Single
• Input Voltage (min): 2V
• Input Voltage (max): 26V
• Output Voltage: 12V
• Package Type: TO-263
• Output Current: 750mA
• Load Regulation: 0.16%
• Line Regulation: 0.1%
• Output Voltage Accuracy: ±1.5%
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Dropout Voltage@current (max): 0.15@5mA/0.6@750mA
• Dropout Voltage@current (typ): 0.08@5mA/0.24@100mA
• Pin Count: 3 +Tab
• Mounting: Surface Mount
• Quiescent Current (max): 250uA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Limit (min): -
• Lead Free Status / Rohs Status: Compliant
• Other names: 576-2234; MIC2937A-12WU

MIC2937A/29371/29372
Typical Characteristics
MIC2937A/29371/29372
0.25
0.20
0.15
0.10
0.05
0.00
3.40
3.38
3.36
3.34
3.32
3.30
3.28
3.26
3.24
3.22
3.20
500
400
300
200
100
0.1
30
10
0
1
-60 -30 0
-60 -30
0
1
Fixed 3.3V Output Voltage
OUTPUT CURRENT (mA)
vs. Output Current
OUTPUT CURRENT (mA)
vs. Output Current
Dropout Voltage
TEMPERATURE ( °C)
TEMPERATURE ( °C)
200
vs. Temperature
vs. Temperature
Ground Current
Ground Current
0
10
I
LOAD
30 60 90 120 150
30 60 90 120 150
400
= 5mA
100
600
1000
800
700
600
500
400
300
200
100
200
150
100
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
50
0
0
-60 -30
-60 -30
-60 -30
0
Short Circuit and Maximum
Current vs. Temperature
1
V
vs. Supply Voltage
SUPPLY VOLTAGE (V)
OUT
TEMPERATURE ( °C)
TEMPERATURE ( °C)
TEMPERATURE ( °C)
Dropout Voltage
vs. Temperature
vs. Temperature
Ground Current
Ground Current
FIXED 5V VERSION
I
2
LOAD
I
0
0
0
LOAD
= V
I
3
LOAD
NOMINAL
30 60 90 120 150
30 60 90 120 150
30 60 90 120 150
6
V
= 5mA
VERSION
FIXED 5V
= 100mA
OUT
4
= 750mA
= 0V
– 0.5V
5
6 7
8
-100
500
400
300
200
100
30
25
20
15
10
30
25
20
15
10
6
5
4
3
2
1
0
5
0
5
0
0
-60 -30
-30 -20 -10
0
0
R
LOAD
1
vs. Supply Voltage
I
INPUT VOLTAGE (V)
LOAD
INPUT VOLTAGE (V)
TEMPERATURE ( °C)
INPUT VOLTAGE (V)
vs. Input Voltage
2
vs. Temperature
Ground Current
Ground Current
Ground Current
Characteristics
= 100Ω
0
2
= 5mA
Dropout
FIXED 5V
I
4
30 60 90 120 150
LOAD
I
I
LOAD
LOAD
0
3
= 750mA
6
= 750mA
= 750mA
10
4
8
20
5
Micrel, Inc.
May 2006
10
30
6