Power Integrations TOP271EG
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.93 | $2.93 |
| 15+ | $2.83 | $42.45 |
| 25+ | $2.77 | $69.25 |
| 50+ | $2.62 | $131.00 |
| 100+ | $2.31 | $231.00 |
| N+ | $0.46 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Power Integrations |
| Product Series | TOPSwitch®-JX |
| Packaging | Tube | |
| Output Isolation | Isolated |
| Internal Switch(s) | Yes |
| Voltage - Breakdown | 725V |
| Topology | Flyback |
| Voltage - Start Up | - |
| Voltage - Supply (Vcc/Vdd) | - |
| Duty Cycle | 78% |
| Frequency - Switching | 66kHz, 132kHz |
| Power (Watts) | 244 W |
| Fault Protection | Current Limiting, Over Load, Over Temperature, Over Voltage, Short Circuit |
| Control Features | Frequency Control |
| 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 TOP271EG from Power Integrations is an isolated flyback offline switcher from the TOPSwitch-JX series with an integrated 725V switch. It delivers up to 244 W with selectable 66kHz/132kHz frequency control and 78% maximum duty cycle, offering current limiting, over load, over temperature, over voltage, and short circuit protection in a 7-SSIP package rated to 150°C junction temperature.
- 244 W output capability supports high-power isolated flyback designs.
- Integrated 725V switch reduces external component count.
- Selectable 66kHz/132kHz frequency control optimizes efficiency and EMI trade-offs.
- Comprehensive fault protection including short circuit and over load enhances safety.
- -40°C to 150°C junction temperature range suits demanding thermal conditions.
High-Power AC-DC Adapters
With 244 W output capability and a 725V integrated switch, this flyback controller suits high-power isolated adapters for laptops, displays, and industrial equipment.
Set-Top Boxes and Consumer Electronics
Selectable 66kHz/132kHz frequency control helps balance efficiency and EMI in isolated offline supplies for consumer devices.
Industrial Power Supplies
The -40°C to 150°C junction temperature range and comprehensive fault protection support reliable operation in harsh industrial environments.
Telecom and Networking Equipment
Isolated flyback topology with short circuit and over load protection provides safe, robust offline power for networking hardware.
- Q: What topology does the TOP271EG use?
- A: It is an isolated flyback offline switcher with an integrated switch.
- Q: What is the breakdown voltage?
- A: The internal switch is rated at 725V breakdown.
- Q: How much power can it deliver?
- A: It supports up to 244 W output power.
- Q: What switching frequency does it offer?
- A: It operates at 66kHz or 132kHz with frequency control.
- Q: What is the maximum duty cycle?
- A: The maximum duty cycle is 78%.
- Q: What protections are included?
- A: Current limiting, over load, over temperature, over voltage, and short circuit protection.
TOP271EG.pdf
- Q: What topology does the TOP271EG use?
- A: It is an isolated flyback offline switcher with an integrated switch.
- Q: What is the breakdown voltage?
- A: The internal switch is rated at 725V breakdown.
- Q: How much power can it deliver?
- A: It supports up to 244 W output power.
- Q: What switching frequency does it offer?
- A: It operates at 66kHz or 132kHz with frequency control.
- Q: What is the maximum duty cycle?
- A: The maximum duty cycle is 78%.
- Q: What protections are included?
- A: Current limiting, over load, over temperature, over voltage, and short circuit protection.
