MIC2141 Micrel Semiconductor, MIC2141 Datasheet - Page 5

• Manufacturer Part Number: MIC2141
• Description: Micropower Boost Converter Preliminary Information
• Manufacturer: Micrel Semiconductor

June 2000
MIC2141
800
700
600
500
400
300
200
100
88
86
84
82
80
78
-40 -20
0
-40 -20
9
8
7
6
5
4
3
2
1
0
2
Switch Voltage Drop
4
Quiescent Current
On-Resistance vs.
TEMPERATURE ( C)
TEMPERATURE ( C)
INPUT VOLTAGE (V)
vs. Temperature
vs. Temperature
Input Voltage
0
0
6
20 40 60 80 100
20 40 60 80 100
8
V
I
D
V
IN
= 100mA
IN
= 3.3V
10
= 5V
12
14
15.00
14.80
14.60
14.40
14.20
14.00
100
90
80
70
60
50
40
30
20
10
-40 -20
8
7
6
5
4
3
2
1
0
-40 -20
0
0
BAT54HT1 Diode
Switch On-Resistance
OUTPUT CURRENT (mA)
TEMPERATURE ( C)
TEMPERATURE ( C)
vs. Temperature
V
V
L = 33 H
vs. Temperature
Output Voltage
1
IN
OUT
0
0
= 5V
Efficiency
= 15V
20 40 60 80 100
20 40 60 80 100
5
1N4148 Diode
V
L = 33 H
2
IN
V
= 5V
IN
= 3.3V
3
4
6.00
5.98
5.96
5.94
5.92
5.90
900
800
700
600
500
400
300
200
100
90
80
70
60
50
40
30
20
10
-40 -20
0
0
2
2
Switch Voltage Drop
4
Ripple Voltage vs.
TEMPERATURE ( C)
4
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
vs. Temperature
vs. Input Voltage
Input Voltage
0
6
L = 100 H
6
20 40 60 80 100
Gain
V
8
I
IN
DS
V
I
L
8
= 5V
OUT
= 100mA
= 1mA
10
= 15V
10
12
MIC2141
14
12
Micrel