LM340T-12/NOPB National Semiconductor, LM340T-12/NOPB Datasheet - Page 2

• 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

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3-lead TO-220
3-Lead TO-263
4-Lead
SOT-223
Unpackaged
Die
3-Lead TO-3
Ordering Information
Connection Diagrams
Package
TO-263 Surface-Mount Package (S)
TO-3 Metal Can Package (K)
See Package Number K02A
See Package Number TS3B
-55˚C to +125˚C
−55˚C to 125˚C
0˚C to +125˚C
0˚C to +125˚C
0˚C to +125˚C
0˚C to +125˚C
0˚C to +125˚C
Temperature
Range
Bottom View
Top View
00778111
00778120
LM140KG-12 MD8
LM140KG-15 MD8
LM140KG-5 MD8
LM340-5.0 MDA
LM340MPX-5.0
LM7808C MDC
LM340ASX-5.0
LM340MP-5.0
Part Number
LM340AT-5.0
LM340SX-5.0
LM340AS-5.0
LM340SX-12
LM140K-5.0
LM340K-5.0
LM340S-5.0
LM340T-5.0
LM140K-12
LM140K-15
LM340K-12
LM340K-15
LM340S-12
LM340T-12
LM340T-15
LM7808CT
LM340K 5.0 7805P+
Packaging Marking
LM340K 12 7812P+
LM340K 15 7815P+
LM340T12 7812 P+
LM340T15 7815 P+
LM340T5 7805 P+
2
LM340AT 5.0 P+
LM340AS-5.0 P+
LM340S-5.0 P+
LM140K 5.0P+
LM340S-12 P+
LM140K 12P+
LM140K 15P+
LM7808CT
N00A
See Package Number MP04A
See Package Number T03B
TO-220 Power Package (T)
500 Units Tape and Reel
500 Units Tape and Reel
500 Units Tape and Reel
Waffle Pack or Gel Pack
Waffle Pack or Gel Pack
Waffle Pack or Gel Pack
Waffle Pack or Gel Pack
Waffle Pack or Gel Pack
1k Units Tape and Reel
2k Units Tape and Reel
3-Lead SOT-223
Transport Media
Top View
Top View
45 Units/Rail
45 Units/Rail
45 Units/Rail
45 Units/Rail
45 Units/Rail
45 Units/Rail
45 Units/Rail
45 Units/Rail
50 Per Tray
50 Per Tray
50 Per Tray
50 Per Tray
50 Per Tray
50 Per Tray
00778143
00778112
DL069089
DL059093
DL059093
DI074056
DI074056
Drawing
MP04A
K02A
TS3B
T03B
NSC