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TOP224G Datasheet(PDF) 1 Page - Power Integrations, Inc. |
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TOP224G Datasheet(HTML) 1 Page - Power Integrations, Inc. |
1 / 20 page ® TOP221-227 TOPSwitch-II Family Three-terminal Off-line PWM Switch Figure 1. Typical Flyback Application. easier. The standard 8L PDIP package option reduces cost in lower power, high efficiency applications. The internal lead frame of this package uses six of its pins to transfer heat from the chip directly to the board, eliminating the cost of a heat sink. TOPSwitch incorporates all functions necessary for a switched mode control system into a three terminal monolithic IC: power MOSFET, PWM controller, high voltage start up circuit, loop compensation and fault protection circuitry. Product Highlights • Lowest cost, lowest component count switcher solution • Cost competitive with linears above 5W • Very low AC/DC losses – up to 90% efficiency • Built-in Auto-restart and Current limiting • Latching Thermal shutdown for system level protection • Implements Flyback, Forward, Boost or Buck topology • Works with primary or opto feedback • Stable in discontinuous or continuous conduction mode • Source connected tab for low EMI • Circuit simplicity and Design Tools reduce time to market Description The second generation TOPSwitch-II family is more cost effective and provides several enhancements over the first generation TOPSwitchfamily. The TOPSwitch-II family extends the power range from 100W to 150W for 100/115/230 VAC input and from 50W to 90W for 85-265 VAC universal input. This brings TOPSwitch technology advantages to many new applications, i.e. TV, Monitor, Audio amplifiers, etc. Many significant circuit enhancements that reduce the sensitivity to board layout and line transients now make the design even PI-1951-091996 AC IN D S C CONTROL TOPSwitch ® 6 W 10 W 15 W 20 W TOP221Y TOP222Y TOP223Y TOP224Y TOP225Y TOP226Y TOP227Y 9 W 15 W 25 W 30 W TOP221P or TOP221G TOP222P or TOP222G TOP223P or TOP223G TOP224P or TOP224G OUTPUT POWER TABLE TO-220 (Y) Package1 8L PDIP (P) or 8L SMD (G) Package2 . P MAX 5,6 PART ORDER NUMBER Single Voltage Input 100/115/230 VAC ±15% 3 Wide Range Input 85 to 265 VAC Single Voltage Input 100/115/230 VAC ±15% 3 Wide Range Input 85 to 265 VAC P MAX 5,6 7 W 15 W 30 W 45 W 60 W 75 W 90 W P MAX 4,6 12 W 25 W 50 W 75 W 100 W 125 W 150 W P MAX 4,6 Notes: 1. Package outline: Y03A 2. Package Outline: P08A or G08A 3. 100/115 VAC with doubler input 4. Assumes appropriate heat sinking to keep the maximum TOPSwitch junction temperature below 100˚ C. 5. Soldered to 1 sq. in.( 6.45 cm2), 2 oz. copper clad (610 gm/m2) 6. P MAX is the maximum practical continuous power output level for conditions shown. The continuous power capability in a given application depends on thermal environment, transformer design, efficiency required, minimum specified input voltage, input storage capacitance, etc. 7. Refer to key application considerations section when using TOPSwitch-II in an existing TOPSwitch design. PART ORDER NUMBER December 1997 |
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