Power Integrations TOP254EG
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.35 | $1.35 |
| 15+ | $1.31 | $19.65 |
| 25+ | $1.28 | $32.00 |
| 50+ | $1.21 | $60.50 |
| 100+ | $1.07 | $107.00 |
| N+ | $0.21 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Power Integrations |
| Product Series | TOPSwitch®-HX |
| Packaging | Tube | |
| Output Isolation | Isolated |
| Internal Switch(s) | Yes |
| Voltage - Breakdown | 700V |
| Topology | Flyback |
| Voltage - Start Up | - |
| Voltage - Supply (Vcc/Vdd) | - |
| Duty Cycle | 78% |
| Frequency - Switching | 66kHz, 132kHz |
| Power (Watts) | 62 W |
| Fault Protection | Current Limiting, Over Temperature, Over Voltage |
| Control Features | - |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | 7-SSIP, 6 Leads, Exposed Pad, Formed Leads |
| Supplier Device Package | eSIP-7C |
| ROHS |
The Power Integrations TOP254EG from the TOPSwitch®-HX series is an isolated Flyback offline switcher with an integrated 700V switch. It delivers up to 62 W with selectable 66kHz/132kHz switching and 78% maximum duty cycle. Protections include Current Limiting, Over Temperature, and Over Voltage. It operates from -40°C to 150°C junction temperature in a 7-SSIP package with exposed pad.
- Integrated 700V switch simplifies isolated Flyback designs and reduces external parts.
- Up to 62 W output supports a broad range of offline supplies.
- Selectable 66kHz/132kHz frequency enables design flexibility for size and efficiency.
- Current Limiting, Over Temperature, and Over Voltage protection enhance reliability.
- Exposed-pad 7-SSIP package improves thermal performance.
Isolated Flyback Power Supplies
The TOP254EG provides galvanic isolation in a Flyback topology with an integrated 700V switch, ideal for offline AC-DC supplies up to 62 W.
Consumer Electronics Adapters
Selectable 66kHz/132kHz switching and 78% max duty cycle enable compact, efficient adapter designs.
Industrial Auxiliary Supplies
A -40°C ~ 150°C junction temperature range and Over Temperature protection support reliable operation in industrial environments.
Standby and Bias Rails
Current Limiting and Over Voltage protection safeguard the supply during fault conditions in always-on bias circuits.
- Q: What topology does the TOP254EG use?
- A: It is an isolated Flyback offline switcher with an integrated switch.
- Q: What is the breakdown voltage?
- A: 700V breakdown voltage rating.
- Q: What power level does it support?
- A: Up to 62 W output power.
- Q: What switching frequency options exist?
- A: 66kHz and 132kHz selectable frequencies with 78% max duty cycle.
- Q: What protections are included?
- A: Current Limiting, Over Temperature, and Over Voltage protection.
- Q: What topology does the TOP254EG use?
- A: It is an isolated Flyback offline switcher with an integrated switch.
- Q: What is the breakdown voltage?
- A: 700V breakdown voltage rating.
- Q: What power level does it support?
- A: Up to 62 W output power.
- Q: What switching frequency options exist?
- A: 66kHz and 132kHz selectable frequencies with 78% max duty cycle.
- Q: What protections are included?
- A: Current Limiting, Over Temperature, and Over Voltage protection.

TOP254EG.pdf