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LM394N
Dual channel silicon NPN transistor with 20mA current and 35V voltage rating, in plastic DIP-8 packageLM394N
Dual channel silicon NPN transistor with 20mA current and 35V voltage rating, in plastic DIP-8 package
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Service & Packaging
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LM394N DataSheet
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Details
The Bay Linear LM3940 is a 1.25A high accuracy, low dropout voltage regulator with only 40mV at light loads and 350mV(Typ.)@ 1.0A) and low quiescent current of 240µA typical.The LM3940 is designed for low voltage a application that requires lower dropout voltage and faster transient response. This device is an excellent choice for use in powering low voltage applications where require a lower dropout, faster transient response to regulate from +2.5V to 3.8V supplies and as a post regulator for switching supplies applications.The LM3940 offers full protection against over-current faults, reversed input polarity, reversed load insertion, and positive and negative transient voltage. On-Chip trimming adjusts the reference voltage to 1%.The LM3940 are offered in a 3-pin SOT-223, TO-220 & TO-263 package compatible with other 3 terminal regulators. The LM3940 is also offer in a new LPDD (Low Profile TO-263) package from 4.47 mm (DD) tickness down to only 1.27 mm (LPDD) total tickness.Features• High output accuracy of 1%• Fix Output 5.0v & 3.3V• Output Current of 1.25A• Low Dropout Voltage• Low quiescent current• Extremely Tight Load & Line Regulation• Reverse-battery and “Load Dump” Protection• Zero Current Shutdown Mode (5-pin version)• Offer in TO-263, TO-252, TO-220, SOT-223, & New Slim LPDD• Similar to industry Standard LM3940Applications• Powering VGA & Sound Card• LCD Monitor• Battery Powered Equipments/Laptop & Notebook• SMPS Post Regulator / DC to DC Modules• High Efficiency Linear Power Supply• Adjustable Power Supply• Bar Code Scanners
Key Features
- High output accuracy of 1%
- Fix Output 5.0v & 3.3V
- Output Current of 1.25A
- Low Dropout Voltage
- Low quiescent current
- Extremely Tight Load & Line Regulation
- Reverse-battery and “Load Dump” Protection
- Zero Current Shutdown Mode (5-pin version)
- Offer in TO-263, TO-252, TO-220, SOT-223, & New Slim LPDD
- Similar to industry Standard LM3940
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Part Life Cycle Code | Obsolete | Reach Compliance Code | |
| ECCN Code | EAR99 |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
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