POWER INTEGRATIONS TOP242PN AC/DC Off-Line Switcher IC, TOPSwitch-GX, Flyback, 85 VAC - 265 VAC, 132 kHz, 720 mA out, 15W, DIP-8

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Rs252.18 /pc
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The TOP242PN is a TOPSwitch-GX Integrated Off-line Switcher IC flyback supply provides 4 outputs, delivering 7W from a 230VAC ±15% input. Resistor R7 programs the internal TOP242PN current limit to 78% of nominal, just above the level needed for full load at low line. This feature allows a more continuous transformer design for better efficiency and cross-regulation, without requiring a larger core size. Resistor R12, C10 and L2 filter conducted EMI; R12 is a flameproof fusible type, also functioning as a fuse. For lower cost, if the supply does not have to meet conducted EMI with the output connected to earth ground, the common mode choke can be replaced with a ? filter. A Zener clamp (D11 and VR1) was selected over an RCD clamp to minimize zero load consumption.
  • <0.5W Input power at zero load
  • Low component count design occupies 80 x 30 x 16mm
  • Integrated soft-start reduces start-up component stresses
  • Extended power range for higher power applications
  • Eliminate or reduce cost of external components
  • Externally programmable accurate current limit
  • No turn off glitches line under-voltage (UV) detection
  • Line over voltage (OV) shutdown extends line surge limit
  • 132kHz Frequency reduces transformer/power supply size
  • Hysteretic thermal shutdown for automatic fault recovery
  • Large thermal hysteresis prevents PC board overheating

Applications

Power Management, Consumer Electronics

Product details

Operating Temperature Min -40°C
Input Voltage AC Max 265V
Operating Temperature Max 150°C
No. of Pins 8Pins
Input Voltage AC Min 85V
Product Range -
Topology Flyback
AC / DC Converter Case Style DIP
Power Rating 15W
Packaging Cut Tape
MSL -

Other details

Brand POWER INTEGRATIONS
Part Number TOP242PN
Quantity Each
Technical Data Sheet EN Download technical document - datasheet - Tanotis India

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