LM7912CT National Semiconductor, LM7912CT Datasheet - Page 5
![IC NEGATIVE VOLT REGULATOR -12V TO-220-3](/photos/19/7/190743/3833580_sml.gif)
LM7912CT
Manufacturer Part Number
LM7912CT
Description
IC NEGATIVE VOLT REGULATOR -12V TO-220-3
Manufacturer
National Semiconductor
Datasheet
1.LM7915CTNOPB.pdf
(9 pages)
Specifications of LM7912CT
Primary Input Voltage
-27V
Output Voltage Fixed
-12V
Dropout Voltage Vdo
1.1V
No. Of Outputs
1
No. Of Pins
3
Output Current
1.5A
Operating Temperature Range
0°C To +125°C
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LM7912CT
Manufacturer:
FSC
Quantity:
2 000
Part Number:
LM7912CT
Manufacturer:
NS/国半
Quantity:
20 000
Typical Applications
*Improves transient response and ripple rejection. Do not increase beyond 50 µF.
Select R2 as follows:
*
†
*
†
Lamp brightness increase until i
Necessary only if raw supply filter capacitor is more that 2" from LM7905CT
Lamp brightness increases until i
Necessary only if raw supply filter capacitor is more that 2" from LM7905
LM7905CT
LM7912CT
LM7915CT
300
750
1k
I
= i
i
= 5V/R1 (I
Q
( 1 mA) + 5V/R1.
(Continued)
i
can be set as low as 1 µA)
Light Controller Using Silicon Photo Cell
High-Sensitivity Light Controller
Variable Output
5
DS007340-2
DS007340-9
DS007340-8
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