ELM92xxxx
CMOS 600kHz High output current PWM step-up DC/DC converter
Vout=3.0V (ELM92301x)
Parameter
Input voltage
Starting voltage
Output voltage1
Output voltage2
Current consumption1
Current consumption2
Oscillating frequency
Duty ratio
Frequency of
intermittent control
On-resistance of LX switch
Leakage current of
LX switch
Symbol
Vin
Vst
Vout1
Vout2
Iss1
Iss2
Fosc
Duty
Fimt
Ron
Ilxl
Vout=Vout(T)×0.95
Vout=Vlx=7V
L=2.2μH, Cout=47μF, D=MA735, Vss=0V, Top=25°C
Condition
Min.
Typ.
Max. Unit Note
7
V
No-load
0.9
V
1
Iout=60mA, Vin=1.5V
2.925 3.000 3.075
V
1
Vout1 Vout1 Vout1
Iout=0.1mA, Vin=1.5V
V
1
×1.005 ×1.010 ×1.020
Vout=Vout(T)×0.95
300
480
μA
2
Vout=Vout(T)+0.5V
75
120
μA
2
Vout=Vout(T)×0.95
510
600
690
kHz
3
Vout=Vout(T)×0.95
80
88
95
%
3
12
250
17
340
1
kHz
mΩ
μA
3
4
5
: input voltage to VOUT pin
* Vout
* Vout(T) : typical value of Vout1
* Remarks : test circuit No
Vout=3.3V (ELM92331x)
Parameter
Input voltage
Starting voltage
Output voltage1
Output voltage2
Current consumption1
Current consumption2
Oscillating frequency
Duty ratio
Frequency of
intermittent control
On-resistance of LX switch
Leakage current of
LX switch
Symbol
Vin
Vst
Vout1
Vout2
Iss1
Iss2
Fosc
Duty
Fimt
Ron
Ilxl
L=2.2μH, Cout=47μF, D=MA735, Vss=0V, Top=25°C
Condition
Min.
Typ.
Max. Unit Note
7
V
No-load
0.9
V
1
Iout=60mA, Vin=1.5V
3.218 3.300 3.382
V
1
Vout1 Vout1 Vout1
Iout=0.1mA, Vin=1.5V
V
1
×1.005 ×1.010 ×1.020
Vout=Vout(T)×0.95
320
510
μA
2
Vout=Vout(T)+0.5V
80
130
μA
2
Vout=Vout(T)×0.95
510
600
690
kHz
3
Vout=Vout(T)×0.95
80
88
95
%
3
12
Vout=Vout(T)×0.95
Vout=Vlx=7V
245
17
330
1
kHz
mΩ
μA
3
4
5
: input voltage to VOUT pin
* Vout
Vout(T) : typical value of Vout1
*
* Remarks : test circuit No
15 - 4
ELM-TECH [ ELM Technology Corporation ]
