PMP9310, 3.3V Low-Cost Non-Isolated Offline Converter for Smart E-Meters Reference Design
使用 Texas Instruments 的 LM25017MR 的参考设计
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依据最终产品
- Smart Electric Meter
说明
- PMP9310, 3.3V Low-Cost Non-Isolated Offline Converter for Smart E-Meters Reference Design. The PMP9310 is an offline converter that supplies 3.3VDC output at up to 132mA. It is used for 50Hz single-phase smart e-meters where maximum allowable input apparent power is regulated (typically 4VA) and galvanic isolation is unnecessary. It solves the problem of limited available output power typically seen in a linearly regulated output stage. By employing the wide input LM5017 buck switcher, the capacitor-drop design sets the input of the DC-DC stage at a high value of 72V and extracts significantly more power from the mains at a given input apparent power
主要特色
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Conversion TypeAC to DC
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Input Voltage85 to 230 (AC) V
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Output Voltage3.3 V
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Output Current0.14 A
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Efficiency54 %
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TopologyBuck
Featured Parts (6)
| 零件编号 | 供应商 | 类别 | 说明 | |||
|---|---|---|---|---|---|---|
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LM25017MR/NOPB | Texas Instruments | DC to DC Converter and Switching Regulator Chip | Conv DC-DC 7.5V to 48V Synchronous Step Down Single-Out 1.225V to 40V 0.65A 8-Pin HSOIC EP Tube | 买入 | |
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LM25017MRE/NOPB | Texas Instruments | DC to DC Converter and Switching Regulator Chip | Conv DC-DC 7.5V to 48V Synchronous Step Down Single-Out 1.225V to 40V 0.65A 8-Pin HSOIC EP T/R | 买入 | |
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LM25017MRX/NOPB | Texas Instruments | DC to DC Converter and Switching Regulator Chip | Conv DC-DC 7.5V to 48V Synchronous Step Down Single-Out 1.225V to 40V 0.65A 8-Pin HSOIC EP T/R | 买入 | |
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LM25017MRX/NOPB | Texas Instruments | DC to DC Converter and Switching Regulator Chip | Conv DC-DC 7.5V to 48V Synchronous Step Down Single-Out 1.225V to 40V 0.65A 8-Pin HSOIC EP T/R | 买入 | |
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LM25017MRE/NOPB | Texas Instruments | DC to DC Converter and Switching Regulator Chip | Conv DC-DC 7.5V to 48V Synchronous Step Down Single-Out 1.225V to 40V 0.65A 8-Pin HSOIC EP T/R | 买入 | |
|
|
LM25017MR/NOPB | Texas Instruments | DC to DC Converter and Switching Regulator Chip | Conv DC-DC 7.5V to 48V Synchronous Step Down Single-Out 1.225V to 40V 0.65A 8-Pin HSOIC EP Tube | 买入 | |