LM78L12ACZ/NOPB National Semiconductor, LM78L12ACZ/NOPB Datasheet - Page 9

• Manufacturer Part Number: LM78L12ACZ/NOPB
• Description: IC VOLT REG 12V 100MA TO92-3
• Manufacturer: National Semiconductor
• Type: Voltage Regulatorr

Specifications of LM78L12ACZ/NOPB

• Regulator Topology: Positive Fixed
• Voltage - Output: 12V
• Voltage - Input: 13.7 ~ 35 V
• Number Of Regulators: 1
• Current - Output: 100mA
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: TO-92-3 (Standard Body), TO-226
• Current, Output: 100 mA
• Current, Supply: 3 mA
• Package Type: TO-92
• Power Dissipation: ≤0.75 W
• Regulation, Line: 30 mV
• Regulation, Load: 30 mV
• Regulator Type: Positive Voltage Out
• Resistance, Thermal, Junction To Case: 60 °C/W
• Temperature, Operating, Range: 0 to +125 °C
• Voltage, Input: 19 V
• Voltage, Noise: 80 μV
• Voltage, Output: 12 V
• Voltage, Supply, Rejection Ratio: 62 dB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Dropout (typical): -
• Current - Limit (min): -
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device
• Other names: *LM78L12ACZ; *LM78L12ACZ/NOPB; LM78L12; LM78L12ACZ; LM78L12ACZ; UA78L12; UA78L12ACZ

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
9
774408
774409
774410
774411
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