HomedatasheetLM7808CT

LM7808CT Datasheet

PMIC - Voltage Regulators - Linear (LDO)
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Description

The LM140/LM340A/LM340/ LM7808CT monolithic 3-terminal positive voltage regulators employ internal current-limiting,thermal shutdown and safe-area compensation, making them essentially indestructible. If adequate heat sinking is provided, they can deliver over 1.0A output current. They are intended as fixed voltage regulators in a wide range of applications including local (on-card) regulation for elimination of noise and distribution problems associated with single-point regulation. In addition to use as fixed voltage regulators, these devices can be used with external components to obtain adjustable output voltages and currents.Considerable effort was expended to make the entire series of regulators easy to use and minimize the number of external components. It is not necessary to bypass the output, although this does improve transient response. Input bypassing is needed only if the regulator is located far from the filter capacitor of the power supply.The 5V, 12V, and 15V regulator options are available in the steel TO-3 power package. The LM340A/LM340/LM7808CT series is available in the TO-220 plastic power package, and the LM340-5.0 is available in the SOT-223 package, as well as the LM340-5.0 and LM340-12 in the surface-mount TO-263 package. LM7808CT Features • Complete specifications at 1A load• Output voltage tolerances of ±2% at Tj = 25C and ±4% over the temperature range (LM140A/LM340A)• Line regulation of 0.01% of VOUT/V of VIN at 1A load (LM140A/LM340A)• Load regulation of 0.3% of VOUT/A (LM140A/LM340A)• Internal thermal overload protection• Internal short-circuit current limit• Output transistor safe area protection• P+Product Enhancement tested
Features

Parameters

[{"Name":"Number of Regulators ","Value":"1"},{"Name":"Voltage - Input ","Value":"Up to 35V "},{"Name":"Voltage - Output ","Value":"8V"},{"Name":"Voltage - Dropout (Typical) ","Value":"2V @ 1A "},{"Name":"Current - Output ","Value":"1A"},{"Name":"Operating Temperature ","Value":"-40°C ~ 125°C "},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information

SEIKO INSTRUMENTS

Seiko Instruments Inc. Is a Japanese company which head office is located in 8, Nakase 1-chome, Mihama-ku, Chiba-shi, Chiba 261-8507, Japan . It’s business lines are: Watches Business Watches, Watch Movements Electronic Components Business Quartz crystals, Micro batteries, etc. Precision Mechatronics Business Inkjet printer heads, Hard disk components, Thermal printers, Compact precision components, Machine tools, FA, Musical instrument accessories, Radiation detection and measurement systems, etc.


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