MIC2141 Datasheet, PDF (5/16 Pages) Micrel Semiconductor – Micropower Boost Converter Preliminary Information

MIC2141
Quiescent Current
vs. Temperature
88
V_IN = 5V
86
84
82
80
78-40 _{-20 0 20 40 60 80 100}
TEMPERATURE (°C)
Switch Voltage Drop
vs. Temperature
800
700
600
500
400
V_IN = 3.3V
300
I_D = 100mA
200
100
0-40 _{-20 0 20 40 60 80 100}
TEMPERATURE (°C)
On-Resistance vs.
Input Voltage
9
8
7
6
5
4
3
2
1
02 _{4 6 8 10 12 14}
INPUT VOLTAGE (V)
15.00
Output Voltage
vs. Temperature
14.80
14.60
14.40
V_IN = 5V
L = 33µH
14.20
14.00-40 _{-20 0 20 40 60 80 100}
TEMPERATURE (°C)
Switch On-Resistance
vs. Temperature
8
7
6
5
4
V_IN = 3.3V
3
2
1
0-40 _{-20 0 20 40 60 80 100}
TEMPERATURE (°C)
Efficiency
100
90 ^{BAT54HT1 Diode}
80
70
1N4148 Diode
60
50
V_IN = 5V
40
V_OUT = 15V
30
L = 33µH
20
10
00
1
2
3
4
OUTPUT CURRENT (mA)
Micrel
Gain
vs. Temperature
6.00
5.98
5.96
5.94
V_IN = 5V
5.92
5.90-40 _{-20 0 20 40 60 80 100}
TEMPERATURE (°C)
900
800
700
600
500
400
300
200
100
02
Switch Voltage Drop
vs. Input Voltage
I_DS = 100mA
4 6 8 10 12 14
INPUT VOLTAGE (V)
Ripple Voltage vs.
Input Voltage
90
80
L = 100µH
70
60
50
V_OUT = 15V
40
I_L = 1mA
30
20
10
02
4
6
8 10 12
INPUT VOLTAGE (V)
June 2000
5
MIC2141