LD1085 SERIES
8/19
Table 13: Electrical Characteristics Of LD1085#12 (VI=15V, CI = CO =10µF, TA = -40 to 125°C, unless
otherwise specified.)
NOT E 1: See short-ci rcuit c urrent cu rve for avai l able ou tput current at fi xed dropout.
Table 14: Electrical Characteristics Of LD1085# (VI=4.25V, C I = CO =10µF, TA = -40 to 125°C, unless
otherwise specified.)
NOT E 1: See short-ci rcuit c urrent cu rve for avai l able ou tput current at fi xed dropout.
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO = 0 mA TJ = 25°C 11.88 12 12.12 V
IO = 0 to 3AVI = 13.8 to 30V (note 1) 11.76 12 12.24 V
∆VOLine Regulation IO = 0 mA VI = 13.8 to 25V TJ = 25°C 1 25 mV
IO = 0 mA VI = 13.8 to 25V 2 25 mV
∆VOLoad Regulation IO = 0 to 3ATJ = 25°C 12 36 mV
IO = 0 to 3A 24 72 mV
VdDropout Voltage IO =3 A 1.3 1.5 V
IqQuiescent Current VI ≤ 30V 5 10 mA
Isc Short Circuit Current VI - VO = 5V 3.2 4.5 A
VI - VO = 25V 0.2 0.5 A
Thermal Regulation TA = 25°C, 30ms pulse 0.008 0.04 %/W
SVR Supply Voltage Rejection f = 120 Hz, CO = 25 µF, IO = 3A
VI = 17 ± 3V 54 66 dB
eN RMS Output Noise Voltage
(% of VO)TA = 25°C f =10Hz to 10KHz 0.003 %
S Temperature Stability 0.5 %
S Long Term Stability TA = 125°C1000Hrs 0.5 %
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO = 10mA TJ = 25°C 1.237 1.25 1.263 V
IO = 10mA to 5AVI = 2.85 to 30V (note 1) 1.225 1.25 1.275 V
∆VOLine Regulation IO = 10mA VI = 2.85 to 16.5V TJ = 25°C 0.015 0.2 %
IO = 10mA VI = 2.85 to 16.5V 0.035 0.2 %
∆VOLoad Regulation IO = 10mA to 5ATJ = 25°C 0.1 0.3 %
IO = 0 to 5A 0.2 0.4 %
VdDropout Voltage IO = 5A 1.3 1.5 V
IO(min) Minimum Load Current VI = 30V 3 10 mA
Isc Short Circuit Current VI - VO = 5V 5.5 6.5 A
VI - VO = 25V 0.5 0.7 A
Thermal Regulation TA = 25°C, 30ms pulse 0.003 0.015 %/W
SVR Supply Voltage Rejection f = 120 Hz, CO = 25 µF, CADJ = 25 µF,
IO = 5A VI = 6.25 ± 3V 60 72 dB
IADJ Adjust Pin Current VI = 4.25V IO = 10 mA 55 120 µA
∆IADJ Adjust Pin Current Change IO = 10mA to 5A VI = 2.85 to 16.5V
(note 1) 0.2 5 µA
eN RMS Output Noise Voltage
(% of VO)TA = 25°C f =10Hz to 10KHz 0.003 %
S Temperature Stability 0.5 %
S Long Term Stability TA = 125°C1000Hrs 0.5 %