Power Integrations TOP266KG-TL
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.72 | $1.72 |
| 15+ | $1.67 | $25.05 |
| 25+ | $1.63 | $40.75 |
| 50+ | $1.54 | $77.00 |
| 100+ | $1.36 | $136.00 |
| N+ | $0.27 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | Power Integrations |
| Product Series | TOPSwitch®-JX |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| 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) | 58 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 | Surface Mount |
| Package / Case | 12-BESOP (0.350", 8.89mm Width), 11 Leads, Exposed Pad |
| Supplier Device Package | 12-ESOP |
| ROHS |
The Power Integrations TOP266KG-TL is a Flyback offline switcher from the TOPSwitch®-JX series featuring an integrated switch and 725V breakdown voltage. It delivers up to 58 W with 66kHz/132kHz switching frequency and 78% maximum duty cycle, housed in a 12-BESOP package with exposed pad. Fault protection includes current limiting, over load, over temperature, over voltage, and short circuit.
- Up to 58 W output in a compact 12-BESOP package for space-constrained designs.
- 725V breakdown rating provides margin for offline operation.
- Integrated switch and frequency control simplify Flyback design.
- Comprehensive fault protection (current limiting, over load, over temperature, over voltage, short circuit) enhances reliability.
- -40°C to 150°C junction temperature range supports demanding thermal environments.
Mid-Power Adapters
The TOP266KG-TL delivers up to 58 W in a Flyback topology with a 725V breakdown rating, suited to isolated adapters for laptops and peripherals.
Industrial Power Supplies
A -40°C to 150°C junction temperature range and full fault protection suite including short circuit and over load support demanding industrial designs.
Consumer Appliances
Frequency control and selectable 66kHz/132kHz switching simplify isolated Flyback designs for appliances and audio equipment.
Compact SMD Designs
The 12-BESOP package with exposed pad enables compact isolated power stages with good thermal performance.
- Q: What topology does the TOP266KG-TL use?
- A: It is a Flyback offline switcher with galvanically isolated output and an integrated switch.
- Q: What is the breakdown voltage?
- A: The Vds breakdown rating is 725V.
- Q: How much power can it deliver?
- A: Up to 58 W.
- Q: What switching frequency does it operate at?
- A: 66kHz and 132kHz with a 78% maximum duty cycle.
- Q: What protections are included?
- A: Current limiting, over load, over temperature, over voltage, and short circuit protection.
- Q: What topology does the TOP266KG-TL use?
- A: It is a Flyback offline switcher with galvanically isolated output and an integrated switch.
- Q: What is the breakdown voltage?
- A: The Vds breakdown rating is 725V.
- Q: How much power can it deliver?
- A: Up to 58 W.
- Q: What switching frequency does it operate at?
- A: 66kHz and 132kHz with a 78% maximum duty cycle.
- Q: What protections are included?
- A: Current limiting, over load, over temperature, over voltage, and short circuit protection.

TOP266KG-TL.pdf