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Texas Instruments LM5021 | Demoboard PMP7146.3
3-ph E-Meter. Input voltage: 2 and 3 phase; outputs: 16.5V@300mApk, 12V@500mA, 3.3V@100mApk, 1.9V@15
Overview
| Topology | Flyback Converter |
| Input voltage | 90-460 V |
| Output 1 | 16.5 V / 0.05 A |
| IC revision | B |
Description
The PMP7146 has been designed especially for E-meters with PLC (power line communication) on board. The input filter shows high impedance to the PLC transmitter and the controller LM5021 works in constant switching frequency. A settable skip-mode improves the efficiency at light load. Two Bucks and an LDO supply the power to the digital section of the E-meter.
Features
Remark: BOM is added with Schematic pdf.
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IR(A) | ISAT,10%(A) | RDC max.(Ω) | fres(MHz) | Version | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 750811434 | Transformer, 770 µH, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Transformer | Inductance770 µH | – | – | – | – | – | |||
 | WE-TI Radial Leaded Wire Wound Inductor, 1000 µH, 0.42 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TI Radial Leaded Wire Wound Inductor | Inductance1000 µH | Rated Current0.42 A | Saturation Current @ 10%0.69 A | DC Resistance2.5 Ω | Self Resonant Frequency1.6 MHz | VersionStandard |