MIC3385-1.5YHL MICREL [Micrel Semiconductor], MIC3385-1.5YHL Datasheet - Page 5

• Manufacturer Part Number: MIC3385-1.5YHL
• Description: 8MHz Inductorless Buck Regulator with LDO Standby Mode
• Manufacturer: MICREL [Micrel Semiconductor]

Typical Characteristics ― PWM Mode
Micrel, Inc.
May 2010
1100
1000
100
100
900
800
700
600
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
2.7
0
0
V
IN
3.1 3.5 3.9 4.3 4.7 5.1 5.5
100 200 300 400 500 600
100 200 300 400 500 600
2.5V
1.2V
OUTPUT CURRENT (mA)
=3.2V
OUTPUT CURRENT (mA)
Quiescent Current
V
INPUT VOLTAGE (V)
vs. Input Voltage
V
V
V
V
IN
IN
IN
IN
IN
=4.2V
=4.2V
=3.6V
OUT
OUT
=3.2V
=3.6V
Efficiency
Efficiency
100
100
9.0
8.5
8.0
7.5
7.0
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
2.7
0
0
V
V
IN
IN
3.1 3.5 3.9 4.3 4.7 5.1 5.5
100 200 300 400 500 600
100 200 300 400 500 600
=3.2V
1.8V
1.0V
OUTPUT CURRENT (mA)
OUTPUT CURRENT (mA)
V
=3.2V
INPUT VOLTAGE (V)
V
V
vs. Input Voltage
IN
IN
IN
V
=4.2V
=3.6V
=4.2V
IN
Frequency
OUT
OUT
=3.6V
Efficiency
Efficiency
5
1.018
1.014
1.010
1.006
1.002
0.998
0.994
0.990
100
90
80
70
60
50
40
30
20
10
0
0
0
V
V
/LowQ=V
IN
100 200 300 400 500 600
100 200 300 400 500 600
IN
1.5V
OUTPUT CURRENT (mA)
OUTPUT CURRENT (mA)
=3.2V
=3.6V
Load Regulation
V
V
IN
IN
=3.6V
=4.2V
OUT
IN
Efficiency
M9999-051310-B
MIC3385