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MIC2142 Просмотр технического описания (PDF) - Micrel
Номер в каталоге
Компоненты Описание
производитель
MIC2142
Micropower Boost Converter
Micrel
MIC2142 Datasheet PDF : 17 Pages
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Micrel, Inc.
Typical Characteristics
Quiescent Current
vs. Input Voltage
350
300
V
OUT
= 5V
250
200
150
100
50
00
2 4 6 8 10 12 14 16
INPUT VOLTAGE (V)
1200
1000
800
Output Ripple
vs. Input Voltage
I
L
= 7mA
L = 22 H
600
V
OUT
= 15V
400
I
L
= 2mA
L = 220
µ
H
200
00
2 4 6 8 10 12 14
INPUT VOLTAGE (V)
Oscillator Characteristics
vs. Input Voltage
350
0.65
300
Frequency
0.60
250
200
0.55
150
Duty Cycle
0.50
100
V
O
= 15V
50
I
O
= 100
µ
A
L= 220
µ
H
00
2 4 6 8 10 12
INPUT VOLTAGE (V)
0.45
140.40
October 2007
Quiescent Current
vs. Temperature
84
82
80
78
76
74
72
V
IN
= 3.6V
7-050
-30 -10 10 30 50 70 90 110
TEMPERATURE
°
(C)
Frequency vs.
Temperature
340
335
330
325
320
315
310
305
300
29-550
-30 -10 10 30 50 70 90 110
TEMPERATURE
°
(C)
4
MIC2142
Line Regulation
16.5
I = 7mA
L
16
L = 22 H
15.5
I
L
= 2mA
L = 220
µ
H
15
14.5
142
4 6 8 10 12 14
INPUT VOLTAGE (V)
MIC2142 Load
Regulation
16
14
V
OUT
12
10
L = 22
µ
H
8 V
IN
= 5V
6
4
2
V
REF
00
5 10 15 20 25 30
OUTPUT CURRENT (mA)
Timing Characteristics
Over Temperature
3.5
3.0
T (
µ
sec)
2.5
2.0
1.5
t
ON
(
µ
sec)
1.0
0.5
Duty Cycle
-050 -30 -10 10 30 50 70 90 110
TEMPERATURE
°
(C)
M9999-102507
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