LM7912CT/NOPB National Semiconductor, LM7912CT/NOPB Datasheet - Page 6
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LM7912CT/NOPB
Manufacturer Part Number
LM7912CT/NOPB
Description
IC VOLT REG NEG 12V 1.5A TO220-3
Manufacturer
National Semiconductor
Type
Voltage Regulatorr
Specifications of LM7912CT/NOPB
Regulator Topology
Negative Fixed
Voltage - Output
-12V
Voltage - Input
-19 ~ -35 V
Voltage - Dropout (typical)
1.1V @ 1A
Number Of Regulators
1
Current - Output
1.5A
Operating Temperature
0°C ~ 125°C
Mounting Type
Through Hole
Package / Case
TO-220-3 (Straight Leads)
Current, Output
1.5 A
Current, Supply
1.5 mA
Package Type
TO-220
Regulation, Line
5 mV
Regulation, Load
15 mV
Regulator Type
Negative Voltage Out
Resistance, Thermal, Junction To Case
3 °C/W
Temperature, Operating, Range
0 to +125 °C
Voltage, Dropout
1.1 V
Voltage, Input
-35 V
Voltage, Noise
300 μV
Voltage, Output
-12 V
Voltage, Supply, Rejection Ratio
70 dB
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Limit (min)
-
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
Other names
*LM7912CT
*LM7912CT/NOPB
LM7912
LM7912CT
UA7912
UA7912CT
UA7912CU
*LM7912CT/NOPB
LM7912
LM7912CT
UA7912
UA7912CT
UA7912CU
www.national.com
Typical Applications
Load Regulation at I
Output Ripple, C
Temperature Stability
Output Noise 10Hz
*Resistor tolerance of R4 and R5 determine matching of (+) and (−) outputs.
**Necessary only if raw supply filter capacitors are more than 3" from regulators.
IN
= 3000µF, I
L
f
= 1A
10kHz
L
= 1A
(Continued)
±
15V, 1 Amp Tracking Regulators
(-15)
40mV
100 µVms
50mV
150 µVms
Dual Trimmed Supply
6
(+15)
2mV
100 µVms
50mV
150 µVms
DS007340-4
DS007340-1