mic37252 Micrel Semiconductor, mic37252 Datasheet - Page 4

• Manufacturer Part Number: mic37252
• Description: Mic37252 2.5a, Low Voltage ?cap Ldo Regulator
• Manufacturer: Micrel Semiconductor

Typical Characteristics
Micrel, Inc.
February 2006
600
500
400
300
200
100
50
45
40
35
30
25
20
15
10
3.5
2.5
1.5
0.5
70
60
50
40
30
20
10
5
0
0
0
-40 -20 0 20 40 60 80 100 120
-40 -20 0 20 40 60 80 100 120
4
3
2
1
0
1
0
100mA
1A
C
V
V
2.5A
OUT
IN
OUT
3.3V
2.5A load
V
V
Short Circuit Current
OUT
IN
10
= 3.3V
TEMPERATURE T
vs. Output Current
0.5
OUTPUT CURRENT (A)
TEMPERATURE ( °C)
= 4.3V
= 1.8V
vs. Temperature
vs. Temperature
= 100µF Ceramic
Ground Current
OUT
FREQUENCY (Hz)
= 0V
100 1k
Dropout
1
PSRR
1.5
10k 100k 1M
J
(°C)
2
2.5
2.510
2.508
2.506
2.504
2.502
2.500
2.498
2.496
2.494
2.492
2.490
1.85
1.84
1.83
1.82
1.81
1.80
1.79
1.78
1.77
1.76
1.75
50
45
40
35
30
25
20
15
10
70
60
50
40
30
20
10
5
0
0
-40 -20 0 20 40 60 80 100 120
1
0
0
1A
2.5V
C
V
V
IN
OUT
OUT
10 100
SUPPLY VOLTAGE (V)
= 3.3V
vs. Supply Voltage
OUTPUT CURRENT (A)
0.5
OUT
vs. Load Current
vs. Temperature
1
TEMPERATURE ( °C)
Ground Current
= 1.8V
= 47µF
Output Voltage
FREQUENCY (Hz)
Output Voltage
2.5A
PSRR
1
2
1k
4
100mA
1.5
10k 100k 1M
3
1.5A
0.5A
2.5A
2
4
2.5
5
600
500
400
300
200
100
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
18
16
14
12
10
50
45
40
35
30
25
20
15
10
0
8
6
4
2
0
5
0
-40 -20 0 20 40 60 80 100 120
-40 -20 0 20 40 60 80 100 120
0
0
10mA Load
V
Dropout Characteristics
1A Load
OUT
Enable Pin Current
SUPPLY VOLTAGE (V)
0.5
OUTPUT CURRENT (A)
TEMPERATURE ( °C)
TEMPERATURE ( °C)
Dropout Voltage
vs. Temperature
vs. Temperature
Ground Current
= 3.3V
2.5A Load
1
0.5A
1
2
1.5A
100mA Load
1.5
2.5A
3
[phone]
M9999-021606
2
MIC37252
2.5
4