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Utility/Smart Meters
Power Integrations offers a broad range of highly integrated, high-voltage ICs for off-line power conversion in utility and power meters applications. Each IC includes a 700 V power MOSFET combined with control and protection circuitry on a single chip. Features include current limiting and thermal shutdown with automatic fault recovery capability to improve reliability, frequency jittering to reduce EMI and EcoSmart® technology to dramatically reduce standby energy waste.
| Typical Product Application | Design Ideas |
Design Example Reports |
Engineering Prototype Reports |
Reference Design Kits |
|---|---|---|---|---|
| 3.8 W 2-Output Supply |  |
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| 1 W, Low Cost, Lilnear Replacement Power Supply | |
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| 1.2 W Dual Output Power Supply with Positive or Negative Outputs | |
RDK-138 | ||
| Utility Meter (Buck, 12 V/80 mA, 3.3 V/70 mA) | |
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| 0.75 W, Anti-Tampering Energy Meter Power Supply | |
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| Power Meter (3W 12 V / 250 mA) | |
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| 3 Phase Utility Meter Ultra-Wide Input (3 W 12 V / 250 mA) | |
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| Power Meter (12 W -12 V / 1 A) | |
|
RDK-91 | |
| Utility Meter (2 W - 6.2V/322 mA Clampless) | |
|
DAK-89 | |
| Utility Meter ( 0.6 W 12 V / 50 mA) | |
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| Utility Meter (1.44 W 12 V / 120 mA) | |
Product Families Used in These Applications
| IC Product Family |
Typical Circuit Configuration |
Power/Current Ratings |
Description |
|---|---|---|---|
| LinkSwitch®-CV | Flyback | Up to 8.5 W | Tight CV, primary side control, capable of exceeding all energy efficiency specifications |
| LinkSwitch®-TN | Buck | Up to 360 mA | Energy-efficient capacitive drop replacement with minimal external component required |
| LinkSwitch®-XT | Flyback | Up to 6 W | Low cost linear replacement with Clampless® technology (LNK362) |
| TinySwitch®-III | Flyback | Up to 28.5 W | Improved design flexibility. Reduced input capacitance and transformer size due to time extension and I2f ratings. |
Related Design Support Documents
| General Design Information | Design Guides | ||
|---|---|---|---|
| Product Datasheets | AN-40 | LinkSwitch®-XT Design Guide | |
| Metering Products Selector Guide | AN-31 | LinkSwitch®-TN Design Guide | |
| AC-DC Selector Guide | |||
| Package Information | |||
Other Related Links
Power Integrations Introduces TinySwitch®-III Power Conversion IC Family
Magazines
Contact your local Power Integrations Sales Representative or Distributor for assistance.