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