LM78L12ACM National Semiconductor, LM78L12ACM Datasheet - Page 9

• Manufacturer Part Number: LM78L12ACM
• Description: IC, LINEAR VOLTAGE REGULATOR, 12V, 8-SOIC
• Manufacturer: National Semiconductor

Specifications of LM78L12ACM

• Primary Input Voltage: 19V
• Output Voltage Fixed: 12V
• Dropout Voltage Vdo: 1.7V
• No. Of Outputs: 1
• No. Of Pins: 8
• Output Current: 100mA
• Operating Temperature Range: 0°C To +125°C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Typical Applications
*Required if the regulator is located more than 3 from the power supply filter.
**See
V
5V/R1 > 3 I
I
>I
*Solid tantalum.
**Heat sink Q1.
***Optional: Improves ripple rejection and transient response.
Load Regulation: 0.6% 0
OUT
OUT
Q
= 1.5mA over line and load changes
= (V
= 5V + (5V/R1 + I
(Note
OUT
Q
/R1) + I
4) in the electrical characteristics table.
, load regulation (L
Q
Q
) R2
≤
I
L
≤
r
)
250mA pulsed with t
≈
[(R1 + R2)/R1] (L
5V, 500mA Regulator with Short Circuit Protection
ON
r
of LM78L05)
= 50ms.
Adjustable Output Regulator
Fixed Output Regulator
Current Regulator
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