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TOPSwitch-GX

0-290 W Extended Power, Design Flexible, EcoSmart Solutions
topSwitchGX.gif
Typical Flyback Application

Description:

  • Extended Power Range Soft-Start
  • Under-Voltage Detection
  • Over-Voltage Shutdown
  • Externally Programmable Current Limit
  • Wider Duty Cycle
  • Frequency Jitter
  • Separate Line Sense and Current Limit Pins on Y Package
  • Line Feed Forward
  • 132/66 KHz Operation
  • Hysteretic Thermal Shutdown
  • Remote ON/OFF
  • Half Frequency Option in Y Package
  • Standard Packages with Omitted Pins for Large Creepage

Applications:

  • LCD monitors
  • Personal computers
  • Small servers
  • Laptop adapters
  • Set-top boxes
  • Digital TVs
  • Printers
  • DVD Players and Recorders
  • UPS
  • Video Games
  • Broadband Modems
  • Cellular phone adapters
  • Audio Amplifiers
Output Power (Watts)
PRODUCT1230 VAC ±15%85-265 VAC
Adapter2Open Frame3Adapter2Open Frame3
TOP242PN/GN
TOP242R
TOP242FN/YN		9
21
10		15
22
22		6.5
11
7		10
14
14
TOP243PN/GN
TOP243R
TOP243FN/YN		13
29
20		25
45
45		9
17
15		15
23
30
TOP244PN/GN
TOP244R
TOP244FN/YN		16
34
30		28
50
65		11
20
20		20
28
45
TOP245PN/GN
TOP245R
TOP245FN/YN		19
37
40		30
57
85		13
23
26		22
33
60
TOP246PN/GN
TOP246R
TOP246FN/YN		21
40
60		34
64
125		15
26
40		26
38
90
TOP247R
TOP247FN/YN		45
85		70
165		28
55		43
125
TOP248R
TOP248FN/YN		43
105		75
205		30
70		48
155
TOP249R
TOP249FN/YN		44
120		79
250		31
80		53
180
TOP250R
TOP250FN/YN		45
135		82
290		32
90		55
210

Notes:

  1. Packages: F: TO-262-7C, G: SMD-8C, P: DIP-8C, Y: TO-220-7C, R: TO-263-7C. See the Part Ordering Information section of the TOPSwitch-GX Data Sheet for more details.
  2. Minimum continuous power in a typical non-ventilated enclosed adapter measured at +50 °C ambient.
  3. Minimum continuous power in an open frame design (see the Key Applications Considerations section of the TOPSwitch-GX Data Sheet for more details).

Product Documents
Application Notesan29.pdf AN-29an30.pdf AN-30an32.pdf AN-32
Package Informationpackageinfo.pdf
Data Sheetstop242.250.pdf TOP242-250

Reference Designs*
DAK-32

25 W (Peak) Multiple Output Power Supply for DVD/Set-Top Box

DAK-33

45 W Single Output Power Supply for LCD Monitor

DAK-34

30 W Single Output AC-DC Power Supply

* DAKs/RDKs include a working power supply, sample devices, unpopulated pcb, data sheet, comprehensive engineering report, PI Expert design software and other related documentation.

Visit the Design Examples page for additional circuits using this product family.

EcoSmart® - Energy-Efficiency Technology
  • Green RoomEasily meets all global energy efficiency regulations
  • No-load consumption <50 mW with bias winding and <150 mW without bias winding at 265 VAC input
  • ON/OFF control provides constant efficiency down to very light loads - ideal for CEC regulations and 1 W PC standby requirements