LM3812 |
Part Number | LM3812 |
Manufacturer | National Semiconductor |
Description | The LM3812/LM3813 Current Gauges provide easy to use precision current measurement with virtually zero insertion loss (typically 0.004Ω). The LM3812 is used for high-side sensing and the LM3813 is use... |
Features |
n No external sense element required n PWM output indicates the current magnitude and direction n PWM output can be interfaced with microprocessors n Precision ∆Σ current-sense technique n Low temperature sensitivity n Internal filtering rejects false trips n Internal Power-On-Reset (POR)
Applications
n n n n Battery charge/discharge gauge Motion control diagnostics Power supply load monitoring and management Resettable smart fuse
Connection Diagrams
DS100122-1 DS100122-3
Top View LM3812 for High-Side Sensing
Top View LM3813 for Low-Side Sensing
© 1999 National Semiconductor Corporation
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Document |
LM3812 Data Sheet
PDF 258.19KB |
Distributor | Stock | Price | Buy |
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No. | Parte # | Fabricante | Descripción | Hoja de Datos |
---|---|---|---|---|
1 | LM381 |
National Semiconductor |
LM381/LM381A Low Noise Dual Preamplifier | |
2 | LM3813 |
National Semiconductor |
Precision Current Gauge-IC | |
3 | LM3814 |
National Semiconductor |
Fast Current Gauge-IC | |
4 | LM3815 |
National Semiconductor |
Fast Current Gauge-IC | |
5 | LM381A |
National Semiconductor |
LM381/LM381A Low Noise Dual Preamplifier |