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ELM91501AA-N Datasheet(PDF) 5 Page - ELM Technology Corporation

Part # ELM91501AA-N
Description  CMOS PFM Step-up DC/DC converter and controller
Download  22 Pages
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Manufacturer  ELM-TECH [ELM Technology Corporation]
Direct Link  http://www.elm-tech.com
Logo ELM-TECH - ELM Technology Corporation

ELM91501AA-N Datasheet(HTML) 5 Page - ELM Technology Corporation

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5
Parameter
Symbol
Condition
Min. Typ. Max. Unit
Output voltage
Vout Iout=1mA, Vin=1.5V
3.218 3.300 3.382
V
Input voltage
Vin
0.9
6.0
V
Starting voltage
Vst Iout=1mA
1.1
V
Holding voltage
Vhold Iout=1mA
0.7
V
Current consumption 1
Iss1 Vout=Vout(T)×0.95, EXT: No-Load
15
35
μA
Current consumption 2
Iss2 Vout=Vout(T)+0.5V
2
5
μA
On-resistance of EXT “High”
Rexth Vout=Vout(T)×0.95, Vext=Vout-0.4V
46
83
Ω
On-resistance of EXT “Low”
Rextl Vout=Vout(T)×0.95, Vext=0.4V
33
55
Ω
Oscillating frequency
Fosc Vout=Vout(T)×0.95
80
100
120
kHz
Duty ratio
Duty Vout=Vout(T)×0.95
67
75
83
%
FET=ELM37400FA, L=33μH, Cin=Cout=100μF, D=MA735, Vss=0V, Top=25°C
ELM91333xA
* Vout: Input voltage to out pin;
Vout(T): Typ. value of Vout.
Parameter
Symbol
Condition
Min. Typ. Max. Unit
Output voltage
Vout Iout=1mA, Vin=3V
4.875 5.000 5.125
V
Input voltage
Vin
0.9
6.0
V
Starting voltage
Vst Iout=1mA
1.1
V
Holding voltage
Vhold Iout=1mA
0.7
V
Current consumption 1
ISS1 Vout=Vout(T)×0.95, EXT: No-Load
20
45
μA
Current consumption 2
ISS2 Vout=Vout(T)+0.5V
2
5
μA
On-resistance of EXT "High"
Rexth Vout=Vout(T)×0.95, Vext=Vout-0.4V
33
59
Ω
On-resistance of EXT "Low"
Rextl Vout=Vout(T)×0.95, Vext=0.4V
24
45
Ω
Oscillating frequency
Fosc Vout=Vout(T)×0.95
80
100
120
kHz
Duty ratio
Duty Vout=Vout(T)×0.95
67
75
83
%
FET=ELM37400FA, L=33μH, Cin=Cout=100μF, D=MA735, Vss=0V, Top=25°C
ELM91503xA
* Vout: Input voltage to out pin;
Vout(T): Typ. value of Vout.
■Marking
a b
c d
SOT-89
• SOT-89, SOT-23 package : ELM91xx1xA
ELM91xx3xA
b
a
c d
SOT-23
a to c : Assembly lot No.
A to Z (I, O, X excepted) and 0 to 9
• SC-70 package : ELM91xx1CA
ELM91xx3CA
a b c
SC-70
a to d : Assembly lot No.
A to Z (I, O, X excepted) and 0 to 9
22 -
ELM91xxxxA CMOS PFM Step-up DC/DC converter and controller


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