MIC5157BM Micrel Inc, MIC5157BM Datasheet - Page 5

• Manufacturer Part Number: MIC5157BM
• Description: IC CTRLR LDO REG SELECTBL 14SOIC
• Manufacturer: Micrel Inc
• Type: Positive Fixedr

Specifications of MIC5157BM

• Number Of Outputs: 1
• Voltage - Output: 3.3V, 5V, 12V
• Current - Supply: 4.5mA
• Voltage - Input: 3 ~ 36 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 14-SOIC (3.9mm Width), 14-SOL
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Typical Characteristics
August 2005
MIC5156/5157/5158
3.34
3.33
3.32
3.31
3.30
3.29
3.28
3.27
3.26
10.0
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
60
50
40
30
20
10
Charge-Pump Output Voltage
0
-60 -30
-60 -30
Current vs. Supply Voltage
MIC5157/8 On-State Supply
0
0
Enable Threshold Voltage
Voltage vs. Temperature
3.3V Regulator Output
5
5
SUPPLY VOLTAGE (V)
vs. Supply Voltage
SUPPLY VOLTAGE (V)
TEMPERATURE (°C)
vs. Temperature
TEMPERATURE (°C)
0
0
10
10
30
30
15
15
60
60
20
20
90 120 150
90 120 150
25
25
30
30
5.04
5.03
5.02
5.01
5.00
4.99
4.98
4.97
4.96
200
175
150
125
100
120
100
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
75
50
25
80
60
40
20
0
0
-60 -30
-60 -30
-60 -30
MIC5157/8 On-State Supply
0
Enable Input Bias Current
Current vs. Temperature
Voltage vs. Temperature
5.0V Regulator Output
V
I
F LAG
Flag Output Voltage
DD
2
vs. Enable Voltage
ENABLE VOLTAGE (V)
TEMPERATURE (°C)
TEMPERATURE (°C)
vs. Temperature
TEMPERATURE (°C)
= 5V
= 1mA
4
0
0
0
6
30
30
30
5
8
60
60
60
10 12 14 16
V
DD
90 120 150
90 120 150
90 120 150
= 5V
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
12
10
70
60
50
40
30
20
10
-2
8
6
4
2
0
-0.2
0
-60 -30
-60 -30
0
Off-State Supply Current
Current Limit Threshold
Response Time for 3.3V
MOSFET = IRF540
V
C
C
C
V
FLAG SINK CURRENT (mA)
IN
C 1
C P
L
DD
Flag Output Voltage
MIC5157/8 Turn-On
= 50µF
= 5V, I
= C
= 1µF
vs. Temperature
TEMPERATURE (°C)
2
vs. Temperature
TEMPERATURE (°C)
= 5V
0.0
vs. Flag Current
0
0
C 2
LOGIC
INPUT
TIME (ms)
L
= 0.1µF
4
30
30
= 0.5A
MIC5156/5157/5158
0.2
60
60
6
V
OUTPUT
DD
90 120 150
90 120 150
3.3V
0.4
= 5V
8
Micrel, Inc.
0.6
10