Power Integrations LNK623PG
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.91 | $0.91 |
| 15+ | $0.88 | $13.20 |
| 25+ | $0.86 | $21.50 |
| 50+ | $0.82 | $41.00 |
| 100+ | $0.72 | $72.00 |
| N+ | $0.14 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Power Integrations |
| Product Series | LinkSwitch®-CV |
| Packaging | Tube | |
| Output Isolation | Isolated |
| Internal Switch(s) | Yes |
| Voltage - Breakdown | 725V |
| Topology | Flyback |
| Voltage - Start Up | - |
| Voltage - Supply (Vcc/Vdd) | - |
| Duty Cycle | 54% |
| Frequency - Switching | 100kHz |
| Power (Watts) | 9 W |
| Fault Protection | Current Limiting, Open Loop, Over Temperature, Short Circuit |
| Control Features | - |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | 8-DIP (0.300", 7.62mm), 7 Leads |
| Supplier Device Package | 8-PDIP-C |
| ROHS |
The Power Integrations LNK623PG is a flyback offline switcher from the LinkSwitch-CV series, delivering up to 9 W with a 725V integrated switch. Housed in a 7-lead 8-DIP package, it operates at 100kHz with 54% maximum duty cycle and includes current limiting, open loop, over temperature, and short circuit protection across a -40°C to 150°C junction temperature range.
- Integrated 725V switch simplifies isolated flyback design.
- 9 W output suits compact adapters and auxiliary supplies.
- Fault protection set improves reliability.
- Wide -40°C to 150°C junction range for demanding thermal environments.
- Through-hole 7-lead 8-DIP package for robust assembly.
Compact Isolated Adapters
The LNK623PG integrates the switch and controller in a 7-lead 8-DIP package, delivering up to 9 W for isolated flyback wall adapters and chargers. The 725V breakdown rating provides margin for universal AC input.
Auxiliary and Bias Supplies
With 100kHz switching and 54% maximum duty cycle, this flyback switcher provides efficient isolated bias rails for appliances and industrial controls, protected by over temperature and open loop detection.
Home Appliance Electronics
The -40°C to 150°C junction temperature range supports reliable operation in white goods and HVAC control boards requiring isolated low-power rails.
Metering Systems
Galvanically isolated flyback topology suits energy meters and smart devices needing a compact, protected offline supply with short circuit and current limiting protection.
- Q: What topology does the LNK623PG use?
- A: It is a flyback offline switcher with galvanically isolated output from the LinkSwitch-CV series.
- Q: What is the breakdown voltage?
- A: The integrated switch has a 725V Vds breakdown rating.
- Q: How much power can it deliver?
- A: Up to 9 W.
- Q: What switching frequency and duty cycle does it use?
- A: 100kHz switching frequency with 54% maximum duty cycle.
- Q: What protections are included?
- A: Current limiting, open loop, over temperature, and short circuit protection.
- Q: What topology does the LNK623PG use?
- A: It is a flyback offline switcher with galvanically isolated output from the LinkSwitch-CV series.
- Q: What is the breakdown voltage?
- A: The integrated switch has a 725V Vds breakdown rating.
- Q: How much power can it deliver?
- A: Up to 9 W.
- Q: What switching frequency and duty cycle does it use?
- A: 100kHz switching frequency with 54% maximum duty cycle.
- Q: What protections are included?
- A: Current limiting, open loop, over temperature, and short circuit protection.

LNK623PG.pdf