LMD18245TP, LMD18400, LMD18400N Selling Leads, Datasheet
MFG:NS Package Cooled:63 D/C:00+
LMD18245TP, LMD18400, LMD18400N Datasheet download
Part Number: LMD18245TP
MFG: NS
Package Cooled: 63
D/C: 00+
LMD18245TP, LMD18400, LMD18400N
- Table of contents:
Info of LMD18245TP
Info of LMD18400
Info of LMD18400N
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About LMD18200
PDF/DataSheet Download
Datasheet: LMD18200
File Size: 449643 KB
Manufacturer: NSC [National Semiconductor]
Download : Click here to Download
About LMD18400
PDF/DataSheet Download
Datasheet: LMD18400
File Size: 337005 KB
Manufacturer: NSC [National Semiconductor]
Download : Click here to Download
About LMD18400N
PDF/DataSheet Download
Datasheet: LMD18400N
File Size: 337005 KB
Manufacturer: NSC [National Semiconductor]
Download : Click here to Download
LMD18400 General Description
The LMD18400 is a fully protected quad high side driver. It contains four common-drain DMOS N-channel power switches, each capable of switching a continuous 1 Amp load (>3 Amps transient) to a common positive power supply. The switches are fully protected from excessive voltage, current and temperature. An instantaneous power sensing circuit calculates the product of the voltage across and the current through each DMOS switch and limits the power to a safe level. The device can be disabled to produce a "sleep" condition reducing the supply current to less than 10 µA. Separate ON/OFF control of each switch is provided through standard LSTLL/CMOS logic compatible inputs.
A MICROWIRE™ compatible serial data interface is built in to provide extensive diagnostic information. This information includes switch status readback, output load fault conditions and thermal and overvoltage shutdown status. There are also two direct-output error flags to provide an immediate indication of a general system fault and an indication of excessive operating temperature.
The LMD18400 is packaged in a special power dissipating leadframe that reduces the junction to case thermal resistance to approximately 20°C/W.
LMD18400 Maximum Ratings
| Temperature Min | -25 deg C |
| Temperature Max | 85 deg C |
| Error Flag | Yes |
| Input Min Voltage | 7 Volt |
| Input Max Voltage | 28 Volt |
| Peak Current | 3000 mA |
| Thermal Shutdown Flag | Yes |
| Drivers | 4 |
| View Using Catalog | |
LMD18400 Connection Diagram
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