MIC2141 Micrel Semiconductor, MIC2141 Datasheet - Page 4
MIC2141
Manufacturer Part Number
MIC2141
Description
Micropower Boost Converter Preliminary Information
Manufacturer
Micrel Semiconductor
Datasheet
1.MIC2141.pdf
(16 pages)
MIC2141
Typical Characteristcs
MIC2141
400
380
360
340
320
300
25
20
15
10
7
6
5
4
3
2
1
0
5
0
0
2
0
Oscillator Frequency
CONTROL VOLTAGE (V)
4
vs. Control Voltage
vs. Output Voltage
OUTPUT VOLTAGE (V)
Feedback Current
5
vs. Input Voltage
INPUT VOLTAGE (V)
Control Current
1
6
10
8
2
10 12 14 16
15
3
20
350
340
330
320
310
300
-40 -20
25
4
TEMPERATURE ( C)
vs. Temperature
0
Frequency
20 40 60 80 100
15.00
14.95
14.90
14.85
14.80
280
240
200
160
120
80
40
20
15
10
0
5
0
0
0
0
V
L = 33 H
2
CONTROL VOLTAGE (V)
IN
vs. Output Voltage
LOAD CURRENT (mA)
Quiescent Current
1
Load Regulation
vs. Input Voltage
INPUT VOLTAGE (V)
= 5V
Control Voltage
1
4
V
I
IN
PEAK
I
PEAK
6
= 3.6V
L = 33 H
2
L = 22 H
4
= 100mA
2
= 150mA
8
V
3
10 12 14 16
IN
V
IN
= 5V
3
= 2.5V
4
20
19
18
17
16
15
14
13
12
11
10
-40 -20
5
4
TEMPERATURE ( C)
vs. Temperature
0
Duty Cycle
20 40 60 80 100
15.0
14.8
14.6
14.4
14.2
14.0
0.60
0.58
0.56
0.54
0.52
0.50
6.4
6.3
6.2
6.1
6.0
5.9
5.8
5.7
-40 -20
2
0
vs. Output Voltage
OUTPUT VOLTAGE (V)
4
5
INPUT VOLTAGE (V)
TEMPERATURE ( C)
vs. Temperature
Line Regulation
0
On-Time
10
6
20 40 60 80 100
Gain
L = 33 H
I
15
L
8
= 100 A
L = 33 H
V
IN
10
20
= 5V
June 2000
12
25
Micrel