MIC49150-1.8BR Micrel Inc, MIC49150-1.8BR Datasheet - Page 4

• Manufacturer Part Number: MIC49150-1.8BR
• Description: IC REG LDO 1.5A 1.8V SPAK-5
• Manufacturer: Micrel Inc

Specifications of MIC49150-1.8BR

• Regulator Topology: Positive Fixed
• Voltage - Output: 1.8V
• Voltage - Input: Up to 6.5V
• Voltage - Dropout (typical): 0.28V @ 1.5A
• Number Of Regulators: 1
• Current - Output: 1.5A
• Current - Limit (min): 1.6A
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: SPAK-5
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Typical Characteristics
Micrel, Inc.
November 2006
80
70
60
50
40
30
20
10
Power Supply Rejection Ratio
0.01
0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
300
250
200
150
100
50
0
0
0
0
V
V
V
I
C
3
OUT
V
V
BIAS
IN
OUT
OUT
Dropout Characteristics
I
*Note: Maximum bias current is bias
current with input in dropout
OUT
BIAS
OUT
Maximum Bias Current
0.1
= 1.8V
3.5
OUTPUT CURRENT (mA)
= 1.5A
FREQUENCY (kHz)
(Input Suppl )
0.5
= 1.0V
= 1µF ceramic
= 3.3V
Dropout Voltage
= 10mA
INPUT VOLTAGE (V)
= 1.5V
= 5V
vs. Bias Voltage
(Input Voltage)
BIAS VOLTAGE (V)
(Bias Supply)
4
1
1
4.5
10
V
V
1.5
5
IN
OUT
I
V
I
V
OUT
OUT
= 2.5V
ADJ
IN
5.5
100
= 1.5V
= 2.5V
= 1.5A
= 1.5A
= 0V
2
6
1000
2.5
6.5
80
70
60
50
40
30
20
10
Power Supply Rejection Ratio
0.01
400
350
300
250
200
150
100
300
250
200
150
100
0
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
50
50
0
0
-40 -20 0
0
-40 -20 0
0
V
V
V
I
C
OUT
BIAS
IN
OUT
OUT
Dropout Characteristics
Maximum Bias Current
0.1
= 1.8V
= 1.5A
1
FREQUENCY (kHz)
(Bias Suppl )
= 1.0V
= 1µF ceramic
= 3.3V
Dropout Voltage
vs. Temperature
TEMPERATURE(°C)
TEMPERATURE( °C)
vs. Temperature
BIAS VOLTAGE (V)
(Input Supply)
(Bias Voltage)
2
1
20 40 60 80 100 120
20 40 60 80 100 120
I
OUT
3
I
4
10
OUT
V
I
V
OUT
= 1.5A
BIAS
OUT
V
V
4
V
V
V
IN
OUT
= 10mA
BIAS
ADJ
IN
= 1.5A
100
= 2.5V
= 1. 5V
= 5V
= 2.5V
5
= 1.5V
= 0V
= 5V
1000
6
7
300
250
200
150
100
1.505
1.504
1.503
1.502
1.501
1.500
1.499
1.498
1.497
1.496
1.495
50
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
45
40
35
30
25
20
15
10
0
5
0
-40 -20 0
0
-40 -20 0
I
I
OUT
OUT
OUTPUT CURRENT (mA)
Dropout Voltage
= 100mA
OUTPUT CURRENT (mA)
= 750mA
TEMPERATURE (°C)
(Input Suppl )
vs. Temperature
TEMPERATURE(°C)
Dropout Voltage
vs. Temperature
Load Regulation
Bias Current
(Bias Supply)
20 40 60 80 100 120
20 40 60 80 100 120
V
V
I
BIAS
OUT
V
I
V
OUT
I
OUT
OUT
IN
OUT
V
V
V
IN
OUT
BIAS
M9999-111306
= 2.5V
V
V
= 1.0V
= 1500mA
= 5V
= 1.5A
= 10mA
= 2.5V
= 1.5V
BIAS
IN
= 1.5V
= 5V
MIC49150
= 2.5V
= 5V