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LT1085
LT1085G
LT1085IG
LT1085SMD
ELECTRICAL CHARACTERISTICS (TA= 25°C Unless otherwise stated) ALL VARIANTS EXCEPT IG
The ♦ denotes specification is applicable over full operating temperature range.
Parameter Output
Voltage Test Conditions Min. Typ. Max. Unit
VOOutput Voltage3,4,6
3.3V VIN = 5V, IOUT = 0, TJ= 25°C (K Pack) 3.270 3.300 3.333 V
4.8V ≤ VIN ≤15V, 0 ≤ IOUT ≤IMAXLOAD ♦3.235 3.300 3.365
5.0V VIN = 8V, IOUT = 0, TJ= 25°C (K Pack) 4.950 5.000 5.050 V
6.5V ≤ VIN ≤20V, 0 ≤ IOUT ≤IMAXLOAD ♦4.900 5.000 5.100
12V VIN = 15V, IOUT = 0, TJ= 25°C (K Pack) 11.88 12.00 12.12 V
13.5V ≤ VIN ≤25V, 0 ≤ IOUT ≤IMAXLOAD ♦11.76 12.00 12.24
VREF Reference Voltage4ADJ. (VIN - VOUT)= 3V, IOUT = 10mA, TJ= 25°C 1.238 1.250 1.262 V
1.5V ≤ (VIN - VOUT)≤25V, 10mA ≤ IOUT ≤IMAXLOAD ♦1.225 1.250 1.270
REG(LINE)
Line Regulation2,3
3.3V 4.8V ≤ VIN ≤15V, IOUT = 0, TJ= 25°C 0.5 6mV
4.8V ≤ VIN ≤15V, IOUT = 0 ♦1.0 6
5.0V 6.5V ≤ VIN ≤20V, IOUT = 0, TJ= 25°C 0.5 10 mV
6.5V ≤ VIN ≤20V, IOUT = 0 ♦1.0 10
12V 13.5V ≤ VIN ≤25V, IOUT = 0, TJ= 25°C 1.0 25 mV
13.5V ≤ VIN ≤25V, IOUT = 0 ♦2.0 25
ADJ.
1.5V ≤(VIN - VOUT)≤15V, ILOAD = 10mA, TJ= 25°C 0.015 0.2 %
1.5V ≤(VIN - VOUT)≤15V, ILOAD = 10mA ♦0.035 0.2
15V ≤ (VIN - VOUT)≤35V ♦0.050 0.5
REG(LOAD)
Load Regulation2,3,4
3.3V VIN = 5V, 0 ≤ IOUT ≤3A, TJ= 25°C 315 mV
VIN = 5V, 0 ≤ IOUT ≤3A ♦720
5.0V VIN = 8V, 0 ≤ IOUT ≤IMAXLOAD,TJ= 25°C 520 mV
VIN = 8V, 0 ≤ IOUT ≤IMAXLOAD ♦10 35
12V VIN = 15V, 0 ≤ IOUT ≤IMAXLOAD,TJ= 25°C 12 36 mV
VIN = 15V, 0 ≤ IOUT ≤IMAXLOAD ♦24 72
ADJ.
(VIN - VOUT) = 3V,10mA ≤ IOUT ≤IMAXLOAD,
TJ= 25°C 0.1 0.3 %
(VIN - VOUT) = 3V, 10mA ≤ IOUT ≤IMAXLOAD ♦0.2 0.4
VDDropout Voltage5
3.3V ΔVOUT = 33mV,IOUT = IMAXLOAD ♦1.3 1.5
V
5.0V ΔVOUT = 50mV,IOUT = IMAXLOAD ♦1.3 1.5
12V ΔVOUT = 120mV,IOUT = IMAXLOAD ♦1.3 1.5
ADJ ΔVOUT = 1%V ,IOUT = IMAXLOAD ♦1.3 1.5
Document Number 3452
Issue 4
Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is
believed to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in
its use. Semelab encourages customers to verify that datasheets are current before placing orders.