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ELM93 Datasheet(PDF) 6 Page - ELM Electronics

Part # ELM93
Description  CMOS High efficiency PFM step-up DC/DC converter
PDF  8 Pages
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Manufacturer  ELM [ELM Electronics]
Direct Link  http://www.elmelectronics.com
Logo ELM - ELM Electronics

ELM93 Datasheet(HTML) 6 Page - ELM Electronics

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6
■Typical characteristics
• Vout=2.7V(ELM9327xB) (Top=25°C, L=330μH, D=MA721, Cin=Cout=22μF)
8 -
ELM93xxxB CMOS High efficiency PFM step-up DC/DC converter
1
0
1
2
1
1.5
2
2.5
3
3.5
Vin (V)
Vout - Vin
Iout=10mA
3mA
1mA
0
1
2
60
70
80
90
100
Vin (V)
Iout=1mA
100�A
EFFICIENCY - Vin
1
2
20
40
60
80
100
0
Vin (V)
VOLTAGE RIPPLE - Vin
Iout=1mA
0.1
1
10
100
1
1.5
2
2.5
3
3.5
Iout (mA)
Vout - Iout
Vin=0.9V
1.1V
1.8V
1.5V
1.3V
0.1
1
10
100
40
50
60
70
80
90
100
Iout (mA)
EFFICIENCY - Iout
1.8V
Vin=0.9V
1.1V
1.3V
1.5V
200
400
600
800
1000
10
20
30
40
50
60
70
0
L (�H)
Iout(max.) - L
Vin=1.5V
1.1V
1.0V
0.9V
1
0
1
2
1
1.5
2
2.5
3
3.5
Vin (V)
Vout - Vin
Iout=10mA
3mA
1mA
0
1
2
60
70
80
90
100
Vin (V)
Iout=1mA
100�A
EFFICIENCY - Vin
1
2
20
40
60
80
100
0
Vin (V)
VOLTAGE RIPPLE - Vin
Iout=1mA
0.1
1
10
100
1
1.5
2
2.5
3
3.5
Iout (mA)
Vout - Iout
Vin=0.9V
1.1V
1.8V
1.5V
1.3V
0.1
1
10
100
40
50
60
70
80
90
100
Iout (mA)
EFFICIENCY - Iout
1.8V
Vin=0.9V
1.1V
1.3V
1.5V
200
400
600
800
1000
10
20
30
40
50
60
70
0
L (�H)
Iout(max.) - L
Vin=1.5V
1.1V
1.0V
0.9V
1
0
1
2
1
1.5
2
2.5
3
3.5
Vin (V)
Vout - Vin
Iout=10mA
3mA
1mA
0
1
2
60
70
80
90
100
Vin (V)
Iout=1mA
100�A
EFFICIENCY - Vin
1
2
20
40
60
80
100
0
Vin (V)
VOLTAGE RIPPLE - Vin
Iout=1mA
0.1
1
10
100
1
1.5
2
2.5
3
3.5
Iout (mA)
Vout - Iout
Vin=0.9V
1.1V
1.8V
1.5V
1.3V
0.1
1
10
100
40
50
60
70
80
90
100
Iout (mA)
EFFICIENCY - Iout
1.8V
Vin=0.9V
1.1V
1.3V
1.5V
200
400
600
800
1000
10
20
30
40
50
60
70
0
L (�H)
Iout(max.) - L
Vin=1.5V
1.1V
1.0V
0.9V
1
0
1
2
1
1.5
2
2.5
3
3.5
Vin (V)
Vout - Vin
Iout=10mA
3mA
1mA
0
1
2
60
70
80
90
100
Vin (V)
Iout=1mA
100�A
EFFICIENCY - Vin
1
2
20
40
60
80
100
0
Vin (V)
VOLTAGE RIPPLE - Vin
Iout=1mA
0.1
1
10
100
1
1.5
2
2.5
3
3.5
Iout (mA)
Vout - Iout
Vin=0.9V
1.1V
1.8V
1.5V
1.3V
0.1
1
10
100
40
50
60
70
80
90
100
Iout (mA)
EFFICIENCY - Iout
1.8V
Vin=0.9V
1.1V
1.3V
1.5V
200
400
600
800
1000
10
20
30
40
50
60
70
0
L (�H)
Iout(max.) - L
Vin=1.5V
1.1V
1.0V
0.9V
1
0
1
2
1
1.5
2
2.5
3
3.5
Vin (V)
Vout - Vin
Iout=10mA
3mA
1mA
0
1
2
60
70
80
90
100
Vin (V)
Iout=1mA
100�A
EFFICIENCY - Vin
1
2
20
40
60
80
100
0
Vin (V)
VOLTAGE RIPPLE - Vin
Iout=1mA
0.1
1
10
100
1
1.5
2
2.5
3
3.5
Iout (mA)
Vout - Iout
Vin=0.9V
1.1V
1.8V
1.5V
1.3V
0.1
1
10
100
40
50
60
70
80
90
100
Iout (mA)
EFFICIENCY - Iout
1.8V
Vin=0.9V
1.1V
1.3V
1.5V
200
400
600
800
1000
10
20
30
40
50
60
70
0
L (�H)
Iout(max.) - L
Vin=1.5V
1.1V
1.0V
0.9V
1
0
1
2
1
1.5
2
2.5
3
3.5
Vin (V)
Vout - Vin
Iout=10mA
3mA
1mA
0
1
2
60
70
80
90
100
Vin (V)
Iout=1mA
100�A
EFFICIENCY - Vin
1
2
20
40
60
80
100
0
Vin (V)
VOLTAGE RIPPLE - Vin
Iout=1mA
0.1
1
10
100
1
1.5
2
2.5
3
3.5
Iout (mA)
Vout - Iout
Vin=0.9V
1.1V
1.8V
1.5V
1.3V
0.1
1
10
100
40
50
60
70
80
90
100
Iout (mA)
EFFICIENCY - Iout
1.8V
Vin=0.9V
1.1V
1.3V
1.5V
200
400
600
800
1000
10
20
30
40
50
60
70
0
L (�H)
Iout(max.) - L
Vin=1.5V
1.1V
1.0V
0.9V



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