LM340T-12/NOPB National Semiconductor, LM340T-12/NOPB Datasheet - Page 13

• Manufacturer Part Number: LM340T-12/NOPB
• Description: IC REGULATOR POSIT 12V TO220-3
• Manufacturer: National Semiconductor
• Type: Voltage Regulatorr

Specifications of LM340T-12/NOPB

• Regulator Topology: Positive Fixed
• Voltage - Output: 12V
• Voltage - Input: 14.6 ~ 35 V
• Voltage - Dropout (typical): 2V @ 1A
• Number Of Regulators: 1
• Current - Output: 1.5A
• Current - Limit (min): 2.4A
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: TO-220-3 (Straight Leads)
• Current, Output: 1 A
• Current, Supply: 6 mA
• Package Type: TO-220
• Regulation, Line: 4 mV
• Regulation, Load: 12 mV
• Regulator Type: Positive Voltage Out
• Resistance, Thermal, Junction To Case: 4 °C/W
• Temperature, Operating, Range: 0 to +125 °C
• Voltage, Dropout: 2 V
• Voltage, Input: 19 V
• Voltage, Noise: 75 μV
• Voltage, Output: 12 V
• Voltage, Supply, Rejection Ratio: 72 dB
• Primary Input Voltage: 27V
• Output Voltage Fixed: 12V
• No. Of Outputs: 1
• No. Of Pins: 3
• Output Current: 1A
• Operating Temperature Range: 0°C To +125°C
• Msl: MSL 1 - Unlimited
• Current Rating: 1A
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: *LM340T-12; *LM340T-12/NOPB; LM340T-12; LM7812; LM7812CT; LM7812T; UA7812; UA7812CT; UA7812CU

Typical Applications
Fixed Output Regulator
00778113
Note: Bypass capacitors are recommended for optimum stability and transient response, and should be located as close as possible to the regulator.
High Input Voltage Circuits
00778114
00778115
High Current Voltage Regulator
00778116
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