CMOS PWM step-up DC/DC converter
ELM95xxD
L=220μH, D=MA721, C=47μF, Vss=0V, Top=25°C
Condition Min. Typ. Max. Unit
Vout=3.3V (ELM9533D)
Parameter
Input voltage
Symbol
Vin
Vst RL=33kΩ
10
V
V
Starting voltage
0.98
Holding voltage
Current consumption
Output voltage
Output current of LX pin
Leakage current of LX pin
Oscillating frequency
Maximum duty ratio
Vhold Iout=1mA
Iss Vin=1.5V
Vout Iout=1mA, Vin=1.5V
Ilx Vout=3.2V, Vlx=0.4V
Ilxl Vout=Vlx=10V
Fosc Vout=3.2V
0.7
14.0 23.0
3.21 3.30 3.39
V
ꢀA
V
mA
ꢀA
kHz
%
80
1.0
75
75
35
45
55
60
Duty Vout=3.2V
L=220μH, D=MA721, C=47μF, Vss=0V, Top=25°C
Condition Min. Typ. Max. Unit
Vout=5.0V (ELM9550D)
Parameter
Input voltage
Symbol
Vin
Vst RL=50kΩ
10
V
V
Starting voltage
0.98
Holding voltage
Current consumption
Output voltage
Output current of LX pin
Leakage current of LX pin
Oscillating frequency
Maximum duty ratio
Vhold Iout=1mA
Iss Vin=3V
Vout Iout=1mA, Vin=3V
Ilx Vout=4.8V, Vlx=0.4V
Ilxl Vout=Vlx=10V
Fosc Vout=4.8V
0.9
30.0 45.0
4.87 5.00 5.13
110
V
ꢀA
V
mA
ꢀA
kHz
%
1.0
35
45
55
60
75
75
Duty Vout=4.8V
■Marking
a : the integer digit of the output voltage
SOT-89
Mark
2
3
Vout
2. V
3. V
*
Mark
4
5
Vout
4. V
*
*
5. V
*
Ꭸ
Ꭺ
Ꭹ
Ꭻ
b : the decimal digit of the output voltage
Mark
Vout
Mark
Vout
0
1
2
3
4
.0V
*
.1V
*
.2V
*
.3V
*
.4V
*
5
6
7
8
9
.5V
*
.6V
*
.7V
*
.8V
*
.9V
*
c : Assembly lot No.
A to Z (excepted I, O, X)
d : Assembly lot No.
0 to 9
5 - 3
ELM-TECH [ ELM Technology Corporation ]
