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MIC2619 Datasheet(PDF) 4 Page - Micrel Semiconductor

Part # MIC2619
Description  1.2MHz PWM Boost Converter with OVP
PDF  15 Pages
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC2619 Datasheet(HTML) 4 Page - Micrel Semiconductor

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Micrel, Inc.
MIC2619
March 2010
4
M9999-030410-A
Typical Characteristics
Efficiency VOUT = 5V
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
0
50
100
150
200
LOAD CURR EN T (mA)
VIN=3V
VIN=3.6V
VIN=4.2V
L = 10µH
C = 1µF
Efficiency VOUT = 10V
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
0
2040
6080
100
LOAD CURRENT (mA)
VIN=3.3V
VIN=5V
L = 10µH
C = 1µF
Efficiency VOUT = 12V
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
0
2040
6080
LOAD C U R R EN T (mA)
VIN=3.3V
VIN=5V
L = 10µH
C = 1µF
Frequency
vs. Input Voltage
0.90
0.95
1.00
1.05
1.10
1.15
1.20
1.25
1.30
1.35
1.40
1.45
1.50
3
3.5
4
4.5
5
5.5
6
6.5
IN PU T VOLTAGE (V)
VOUT = 12V
L = 10µH
C = 1µF
ILOAD = 40mA
Switch Current Limit
vs. Input Voltage
200
300
400
500
600
700
800
900
1000
1100
33.544.555.566.5
IN PU T VOLTAGE (V)
VOUT = 12V
L = 10µH
C = 1µF
Efficiency VOUT = 35V
0%
10%
20%
30%
40%
50%
60%
70%
04
8
12
16
LOAD CURRENT (mA)
VIN=5V
VIN=6.5V
L = 10µH
C = 1µF
Load Regulation (VOUT=35V)
34.5
34.6
34.7
34.8
34.9
35.0
35.1
35.2
35.3
35.4
35.5
0246
8
10
12
LOAD CURR EN T (mA)
VIN = 5V
L = 10µH
C = 1µF
Load Regulation (VOUT=10V)
9.90
9.92
9.94
9.96
9.98
10.00
10.02
10.04
10.06
10.08
10.10
0
102030
4050
6070
LOAD CURR EN T (mA)
VIN = 3.6V
L = 10µH
C = 1µF
Line Regulation (VOUT=12V)
11.80
11.84
11.88
11.92
11.96
12.00
12.04
12.08
12.12
12.16
12.20
33.544.5
55.5
66.5
IN PU T VOLTAGE (V)
IOUT = 40mA
L = 10µH
C = 1µF
Line Regulation (VOUT=35V)
34.5
34.6
34.7
34.8
34.9
35.0
35.1
35.2
35.3
35.4
35.5
4.5
4.9
5.3
5.7
6.1
6.5
IN PU T VOLTAGE (V)
IOUT = 10mA
L = 10µH
C = 1µF
Switch Current Limit
vs. T emperature
0
100
200
300
400
500
600
700
800
900
-40 -20
0
20 40 60 80 100 120
TEMPER ATUR E (°C)
VIN = 3.6V
VOUT = 12V
L = 10µH
C = 1µF
Quiescent Current
vs. Input Voltage
0.50
0.75
1.00
1.25
1.50
1.75
2.00
2.25
2.50
2.75
3.00
3.25
3.50
3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5
IN PU T VOLTAGE (V)
VFB = 3V
No Switching



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