Product Summary

The L7818 of three-terminal positive regulators is available in TO-220, TO-220FP, TO-220FM, TO-3 and D2PAK packages and several fixed output voltages, making it useful in a wide range of applications. The L7818 can provide local on-card regulation, eliminating the distribution problems associated with single point regulation. Each type employs internal current limiting, thermal shut-down and safe area protection, making it essentially indestructible. If adequate heat sinking is provided, they can deliver over 1A output current. Although designed primarily as fixed voltage regulators, the L7818 can be used with external components to obtain adjustable voltage and currents.

Parametrics

L7818 absolute maximum ratings: (1)VI DC Input Voltage for VO= 5 to 18V 35V; for VO= 20, 24V 40V; (2)IO Output Current Internally Limited; (3)Ptot Power Dissipation Internally Limited; (4)Tstg Storage Temperature Range: -65 to 150 ℃; (5)Top Operating Junction Temperature Range: for L7800 -55 to 150℃; for L7800C 0 to 150℃.

Features

L7818 features: (1)OUTPUT CURRENT TO 1.5A; (2)OUTPUT VOLTAGES OF 5; 5.2; 6; 8; 8.5; 9; 10; 12; 15; 18; 24V; (3)THERMAL OVERLOAD PROTECTION; (4)SHORT CIRCUIT PROTECTION; (5)OUTPUT TRANSITION SOA PROTECTION.

Diagrams

L7818 Schematic Diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
L7818ACV
L7818ACV

STMicroelectronics

Linear Regulators - Standard 18V 1.0A Positive

Data Sheet

Negotiable 
L7818CT
L7818CT

STMicroelectronics

Linear Regulators - Standard 18V 1.0A Positive

Data Sheet

0-250: $1.33
250-500: $1.19
500-1000: $1.00
1000-2000: $0.96
L7818T
L7818T

STMicroelectronics

Linear Regulators - Standard 18V 1.0A Positive

Data Sheet

Negotiable 
L7818CV
L7818CV

STMicroelectronics

Linear Regulators - Standard 18V 1.0A Positive

Data Sheet

0-1: $0.38
1-10: $0.31
10-100: $0.24
100-250: $0.21
L7818ABP
L7818ABP

STMicroelectronics

Linear Regulators - Standard 18V 1.0A Positive

Data Sheet

Negotiable 
L7818ABV
L7818ABV

STMicroelectronics

Linear Regulators - Standard 18V 1.0A Positive

Data Sheet

Negotiable