Characteristics
Symbol
Conditions
Unit
Min. Typ. Max.
AMS1085-ADJ, 0mA≤IOUT≤3A,
VIN-VOUT=3V
0.1
0.2
3
0.3
0.4
15
20
15
20
15
20
15
20
20
35
1.3
%
AMS1085-1.5, 0mA≤IOUT≤3A,
VIN-VOUT=3V
mV
mV
mV
mV
mV
7
AMS1085-1.8, 0mA≤ IOUT≤3A
VIN-VOUT=3V
3
7
Load Regulation ΔVOUT
AMS1085-2.5, 0mA≤IOUT≤3A,
VIN-VOUT=3V
3
7
AMS1085-3.3, 0mA≤IOUT≤3A,
VIN-VOUT=3V
3
7
AMS1085-5.0, 0mA≤IOUT≤3A,
VIN-VOUT=3V
5
10
1.18
Dropout Voltage
VDROP IOUT=3A, ΔVREF, ΔVOUT=1%
V
A
Current Limitting
ILIMIT
ILOAD
(MIN)
IQ
VIN-VOUT=3V
4.5
Minimum Load Current
Quiescent Current
mA
mA
VIN=10V (AMS1085-ADJ)
3
10
10
VIN=10V (AMS1085)
5
fRIPPLE=120Hz, COUT=25μF
IOUT=3A, VIN-VOUT=3V
Ripple Rejection
Adjust Pin Current
PSRR
IADJ
60
72
55
0.2
dB
μA
μA
VIN=4.25V, IOUT=10mA
10mA≤IOUT≤3A,
120
Adjust Pin Current Change
ΔIADJ
5
1.5V≤(VIN-VOUT)≤4.5V
IOUT=10mA, VIN-VOUT=1.5V
Temperature Stability
Long Term Stability
0.5
0.5
%
%
Tamb=125°C, 1000Hrs
10Hz≤f≤10kHz
RMS Output Noise(% of Vout)
0.003
%
TO-263-3L
TO-263-2L
TO-220-3L
TO-252-2L
60
60
Thermal Resistance
θJA
°C/W
60
100
5
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AMS [ Advanced Monolithic Systems Ltd ]
