LM1085IS-3.3/NOPB National Semiconductor, LM1085IS-3.3/NOPB Datasheet - Page 2

• Manufacturer Part Number: LM1085IS-3.3/NOPB
• Description: IC REG POSITIVE 3A LDO TO-263
• Manufacturer: National Semiconductor
• Type: Voltage Regulatorr

Specifications of LM1085IS-3.3/NOPB

• Regulator Topology: Positive Fixed
• Voltage - Output: 3.3V
• Voltage - Dropout (typical): 1.3V @ 3A
• Number Of Regulators: 1
• Current - Output: 3A
• Current - Limit (min): 3.2A
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: TO-263-3, D²Pak (3 leads + Tab), TO-263AA
• Voltage Regulator Type: Linear
• Topology: LDO
• Regulator Output Type: Fixed
• Polarity Type: Positive
• Number Of Outputs: Single
• Input Voltage (min): 2.6V
• Input Voltage (max): 27V
• Output Voltage: 3.3V
• Package Type: TO-263
• Output Current: 3A
• Load Regulation: 15mV
• Line Regulation: 6mV
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Dropout Voltage@current (max): 1.5@3A
• Dropout Voltage@current (typ): 1.3@3A
• Pin Count: 3 +Tab
• Mounting: Surface Mount
• Quiescent Current (max): 10mA
• Current, Output: 3 A
• Current, Supply: 5 mA
• Regulation, Line: 1 mV
• Regulation, Load: 7 mV
• Regulator Type: Low Dropout
• Resistance, Thermal, Junction To Case: 0.7 °C/W (Control Section), 3 °C/W (Output Section)
• Temperature, Operating, Range: -40 to +125 °C
• Voltage, Dropout: 1.3 V
• Voltage, Input: 27 V
• Voltage, Noise: 0.003 %
• Voltage, Output: 3.3 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Input: -
• Lead Free Status / Rohs Status: Compliant
• Other names: *LM1085IS-3.3; *LM1085IS-3.3/NOPB; LM1085IS-3.3

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3-lead TO-263
3-lead TO-220
Ordering Information
Simplified Schematic
Package
−40˚C to + 125˚C
Temperature Range
−40˚C to +125˚C
LM1085ISX-ADJ
LM1085ISX-3.3
LM1085ISX-5.0
LM1085IS-ADJ
LM1085IT-ADJ
LM1085ISX-12
LM1085IS-3.3
LM1085IS-5.0
LM1085IT-3.3
LM1085IT-5.0
Part Number
LM1085IS-12
LM1085IT-12
2
Transport Media
Tape and Reel
Tape and Reel
Tape and Reel
Tape and Reel
Rails
Rails
Rails
Rails
Rails
Rails
Rails
Rails
NSC Drawing
TS3B
T03B
10094734