AMS1309
Electrical Characteristics
（
Test Condition:
V
IN
=Vout*0.6，V
SS
=0V，I
OUT
=10mA，T
opt
=25℃。
unless otherwise noted.
）
Fosc=180kHz
Symbol
V
OUT
V
start
V
hold
I
DD1
I
DD2
I
LX
I
LXleak
F
osc
Parameters
Output Voltage
Startup Voltage
Hold Voltage
Input Current
1
Input Current
2
Switch On Current
Switch Leak Current
Oscillator Frequency
Condition
MIN
Vout*0.975
TYP
vout
0.8
0.45
50
9
360
MAX
Vout*1.025
0.9
Units
V
V
V
µA
µA
mA
I
OUT
=1mA，
V
IN
：0→2V
I
OUT
=1mA，
V
IN
：2→0V
No External Component
Maxdty
Maximum Duty Cycle
Efficiency
η
Vout=Vout*0.95
Vout=Vout+0.5V
V
LX
=0.4V,
Vout=Vout*0.95
Vout=V
LX
=6V
Vout=set
Vout*0.95
on(V
LX
“L”)side
0.5
180
84
85
µA
kHz
%
%
AMS1309Bxx/Dxx
Fosc=180kHz
Symbol
V
OUT
V
start
V
hold
I
DD1
I
DD2
I
LX
I
LXleak
F
osc
Parameters
Output Voltage
Startup Voltage
Hold Voltage
Input Current
1
Input Current
2
Switch On Current
Switch Leak Current
Oscillator Frequency
Condition
MIN
Vout*0.975
TYP
vout
0.8
0.45
80
12
360
MAX
Vout*1.025
0.9
Units
V
V
V
µA
µA
mA
I
OUT
=1mA，
V
IN
：0→2V
I
OUT
=1mA，
V
IN
：2→0V
No External Component
Maxdty
Maximum Duty Cycle
Efficiency
η
Vout=Vout*0.95
Vout=Vout+0.5V
V
LX
=0.4V,
Vout=Vout*0.95
Vout=V
LX
=6V
Vout=set
Vout*0.95
on(V
LX
“L”)side
0.5
180
84
85
µA
kHz
%
%
4
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AMS [ Advanced Monolithic Systems Ltd ]
