ELM93xxxB
CMOS High efficiency PFM step-up DC/DC converter
■Electrical characteristics
Vout=2.7V (ELM9327xB)
Parameter
Starting voltage
Holding voltage
Current consumption
Output voltage
Output current of LX pin
Leakage current of LX pin
Oscillating frequency
Duty ratio
Symbol
Vst
Vhold
Iss
Vout
Ilx
Ilxl
Fosc
Duty
L=330μH, Cin=Cout=22μF, D=MA721, Vss=0V, Top=25°C
Condition
Min. Typ. Max. Unit
RL=30kΩ
0.9
V
Iout=1mA
0.7
V
Iout=100μA, Vin=1.5V
8.0
16.0
μA
Iout=1mA, Vin=1.5V
2.63 2.70
2.77
V
Vout=2.6V, Vlx=0.4V
60
mA
Vout=3.5V, Vlx=3.5V
1.0
μA
Vout=2.6V
80
100
120
kHz
Vout=2.6V, Switch"ON"
65
75
85
%
Vout=3.0V (ELM9330xB)
Parameter
Starting voltage
Holding voltage
Current consumption
Output voltage
Output current of LX pin
Leakage current of LX pin
Oscillating frequency
Duty ratio
Symbol
Vst
Vhold
Iss
Vout
Ilx
Ilxl
Fosc
Duty
L=330μH, Cin=Cout=22μF, D=MA721, Vss=0V, Top=25°C
Condition
Min. Typ. Max. Unit
RL=30kΩ
0.9
V
Iout=1mA
0.7
V
Iout=100μA, Vin=1.5V
8.0
16.0
μA
Iout=1mA, Vin=1.5V
2.92 3.00
3.08
V
Vout=2.9V, Vlx=0.4V
70
mA
Vout=3.5V, Vlx=3.5V
1.0
μA
Vout=2.9V
80
100
120
kHz
Vout=2.9V, Switch"ON"
65
75
85
%
Vout=3.3V (ELM9333xB)
Parameter
Starting voltage
Holding voltage
Current consumption
Output voltage
Output current of LX pin
Leakage current of LX pin
Oscillating frequency
Duty ratio
Symbol
Vst
Vhold
Iss
Vout
Ilx
Ilxl
Fosc
Duty
L=330μH, Cin=Cout=22μF, D=MA721, Vss=0V, Top=25°C
Condition
Min. Typ. Max. Unit
RL=30kΩ
0.9
V
Iout=1mA
0.7
V
Iout=100μA, Vin=1.5V
8.0
16.0
μA
Iout=1mA, Vin=1.5V
3.21 3.30
3.39
V
Vout=3.2V, Vlx=0.4V
80
mA
Vout=3.5V, Vlx=3.5V
1.0
μA
Vout=3.2V
80
100
120
kHz
Vout=3.2V, Switch"ON"
65
75
85
%
8-3
ELM-TECH [ ELM Technology Corporation ]
