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ELM9433B-S Datasheet(PDF) 3 Page - ELM Technology Corporation

Part # ELM9433B-S
Description  CMOS PFM step-up DC/DC converter
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Manufacturer  ELM-TECH [ELM Technology Corporation]
Direct Link  http://www.elm-tech.com
Logo ELM-TECH - ELM Technology Corporation

ELM9433B-S Datasheet(HTML) 3 Page - ELM Technology Corporation

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3
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
Input voltage
Vin
10
V
Starting voltage
Vst
RL=33kΩ
0.98
V
Holding voltage
Vhold Iout=1mA
0.7
V
Current consumption
Iss
Iout=100μA, Vin=1.5V
4.5
9.0
μA
Output voltage
Vout
Iout=1mA, Vin=1.5V
3.21
3.30
3.39
V
Output current of LX pin
Ilx
Vout=3.2V, Vlx=0.4V
100
mA
Leakage current of LX pin
Ilxl
Vout=Vlx=10V
1.0
μA
Oscillating frequency
Fosc
Vout=3.2V
22
35
55
kHz
Maximum duty ratio
Duty Vout=3.2V, Switch"ON"
45
55
65
%
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
Input voltage
Vin
10
V
Starting voltage
Vst
RL=50kΩ
0.98
V
Holding voltage
Vhold Iout=1mA
0.9
V
Current consumption
Iss
Iout=100μA, Vin=3V
7.0
14.0
μA
Output voltage
Vout
Iout=1mA, Vin=3V
4.87
5.00
5.13
V
Output current of LX pin
Ilx
Vout=4.8V, Vlx=0.4V
130
mA
Leakage current of LX pin
Ilxl
Vout=Vlx=10V
1.0
μA
Oscillating frequency
Fosc
Vout=4.8V
22
35
58
kHz
Maximum duty ratio
Duty Vout=4.8V, Switch"ON"
50
60
70
%
Vout=3.3V (ELM9433B)
Vout=5.0V (ELM9450B)
■Marking
Mark
Vout
Mark
Vout
22.*V4
4.*V
33.*V5
5.*V
a : the integer digit of the output voltage
b : the decimal digit of the output voltage
Mark
Vout
Mark
Vout
0
*.0V
5
*.5V
1
*.1V
6
*.6V
2
*.2V
7
*.7V
3
*.3V
8
*.8V
4
*.4V
9
*.9V
SOT-89
L=330μH, D=MA721, C=22μF, Vss=0V, Top=25°C
L=330μH, D=MA721, C=22μF, Vss=0V, Top=25°C
6 -
ELM94xxB CMOS PFM step-up DC/DC converter
c : Assembly lot No.
0 to 9
d : Assembly lot No.
A to Z (excepted I, O, X)


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