MIC37301 MICREL [Micrel Semiconductor], MIC37301 Datasheet - Page 6

• Manufacturer Part Number: MIC37301
• Description: 3.0A, LOW VOLTAGE UCAP LDO REGULATOR
• Manufacturer: MICREL [Micrel Semiconductor]

MIC37300/37301/37302
M0307-112003
400
350
300
250
200
150
100
5.5
4.5
3.5
2.5
1.5
0.5
1.4
1.2
0.8
0.6
0.4
0.2
14
12
10
50
8
6
4
2
0
6
5
4
3
2
1
0
2.25
0
1
0
-40 -20 0 20 40 60 80 100 120
-40 -20 0 20 40 60 80 100 120
0
vs. Supply Voltage (3.3V)
I OUT =1.5A
Short-Circuit Current
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
vs. Supply Voltage
Flag Low Voltage
1
TEMPERATURE ( C)
3
TEMPERATURE ( C)
vs. Temperature
vs. Temperature
Ground Current
Ground Current
3.75
Flag Current=250 A
2
4.5
3
10mA
2.5V OUT
5.25
100mA
4
5
6
45
40
35
30
25
20
15
10
70
60
50
40
30
20
10
5
0
6
5
4
3
2
1
0
0.01 0.1
6
5
4
3
2
1
0
-40 -20 0 20 40 60 80 100 120
0
-40 -20 0 20 40 60 80 100 120
0
Error Flag Pull-Up Resistor
vs. Supply Voltage (3.3V)
V
I OUT =3A
IN
Short-Circuit Current
SUPPLY VOLTAGE (V)
= 5V
TEMPERATURE ( C)
1
TEMPERATURE ( C)
vs. Temperature
Ground Current
vs. Temperature
Ground Current
RESISTANCE (k )
1
Flag Low (FAULT)
2
1A
6
Flag High (OK)
10
2A
3A
3
100 1000 10000
2.5V OUT
2.5V
4
IN
5
2.55
2.45
0.35
0.25
0.15
0.05
2.6
2.5
2.4
0.4
0.3
0.2
0.1
16
14
12
10
1.0
0.8
0.6
0.4
0.2
0
8
6
4
2
0
-40 -20 0 20 40 60 80 100 120
-40 -20 0 20 40 60 80 100 120
-40 -20 0 20 40 60 80 100 120
0
0 0.5 1 1.5 2 2.5 3 3.5 4
I OUT =10mA
TEMPERATURE ( C)
FLAG CURRENT (mA)
TEMPERATURE ( C)
TEMPERATURE ( C)
vs. Temperature
vs. Temperature
vs. Temperature
Ground Current
Output Voltage
vs. Flag Current
Enable Current
Flag Voltage
5V IN
2.5V IN
November 2003
2.5V OUT
2.5V OUT
2.5V
3.3V IN
EN
Micrel