Part # L78S05 L78S05C L78S09 L78S09C L7 datasheet

Part Manufacturer: ST Microelectronics

ST Microelectronics

Part Description: 2 A positive voltage regulators


Part Details:

L78Sxx L78SxxC 2 A positive voltage regulators Features Output current to 2 A Output voltages of 5; 7.5; 9; 10; 12; 15; 18; 24 V Thermal overload protection Short circuit protection Output transition SOA protection Description TO-220 TO-3 The L78Sxx series of three-terminal positive regulators is available in TO-220 and TO-3 packages and with several fixed output voltages, making it useful in a wide range of applications. These regulators 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 2 A output current. Although designed primarily as fixed voltage regulators, these devices can be used with external components to obtain adjustable voltages and currents. Table 1. Device summary Part numbers L78S05 L78S09 L78S12 L78S18 L78S05C L78S09C L78S12C L78S18C L78S75 L78S10 L78S15 L78S24 L78S75C L78S10C L78S15C L78S24C March 2008 Rev 3 1/31 www.st.com 31 Contents L78Sxx - L78SxxC Contents 1 Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 Test circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 6 Typical performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 7 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26


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L78S05 L78S05C L78S09 L78S09C L7.pdf Datasheet