Micrel, Inc.
MIC23163/4
Typical Characteristics
Efficiency vs. Output Current
V
OUT
= 1.8V @ 25°C
95
90
85
V
IN
= 3V
Efficiency vs. Output Current
V
OUT
= 3.3V @ 25°C
100
95
90
V
IN
= 4.2V
100000
V
IN
= 5V
1000000
V
OUT
Rise Time vs. C
SS
EFFICIENCY (%)
EFFICIENCY (%)
80
75
70
65
60
55
50
1
10
V
IN
= 3.6V
85
80
75
70
65
60
55
50
RISE TIME (µs)
V
IN
= 5V
10000
1000
100
10
V
IN
= 3.6V
1
10
100
1000
10000
1
1000
10000
100000
1000000
100
1000
10000
OUTPUT CURRENT (mA)
OUTPUT CURRENT (mA)
C
SS
(pF)
Current Limit vs.
Input Voltage
3.8
50
Quiscent Current vs.
Input Voltage
50
48
IQ vs. Temperature
3.6
45
46
44
CURRENT LIMIT (A)
3.4
40
IQ (µA)
IQ (µA)
T
CASE
= 25°C
42
40
38
36
34
32
30
V
IN
= 3.6V
3.2
35
3
30
2.8
T
CASE
= 25°C
2.6
2.5
3.0
3.5
4.0
4.5
5.0
5.5
25
20
2.5
3.0
3.5
4.0
4.5
5.0
5.5
-40
-20
0
20
40
60
80
100
120
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
TEMPERATURE (°C)
Line Regulation
(Light Loads)
1.864
1.863
1.870
1.868
Line Regulation
(High Loads)
1.820
1.815
I
OUT
= 1A
Output Voltage vs.
Output Current (DCM)
OUTPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
1.861
1.860
1.859
1.858
1.857
1.856
1.855
1.854
2.5
3.0
3.5
4.0
4.5
5.0
5.5
I
OUT
= 130mA
I
OUT
= 30mA
1.864
1.862
1.860
1.858
1.856
1.854
1.852
1.850
2.5
OUTPUT VOLTAGE (V)
1.862
1.866
1.810
1.805
1.800
1.795
V
IN
= 3.6V
1.790
I
OUT
= 300mA
3.0
3.5
4.0
4.5
5.0
5.5
0
20
40
60
80 100 120 140 160 180 200
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
OUTPUT CURRENT (mA)
July 29, 2013
5
Revision 2.0
MICREL [ MICREL SEMICONDUCTOR ]
