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TOP244Y Datasheet(PDF) 36 Page - Power Integrations, Inc. |
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TOP244Y Datasheet(HTML) 36 Page - Power Integrations, Inc. |
36 / 52 page TOP242-250 O 11/05 36 Parameter Symbol Conditions SOURCE = 0 V; T J = -40 to 125 °C See Figure 53 (Unless Otherwise Specified) Min Typ Max Units MULTI-FUNCTION, LINSE-SENSE AND EXTERNAL CURRENT LIMIT INPUTS (cont.) Maximum Duty Cycle Reduction Onset Threshold Current I L(DC) or I M(DC) T J = 25 °C 40 60 75 µ A Remote OFF DRAIN Supply Current I D(RMT) See Figure 71 V DRAIN = 150 V X, L or M Pin Floating 0.6 1.0 mA L or M Pin Shorted to CONTROL 1.0 1.6 Remote ON Delay t R(ON) From Remote ON to Drain Turn-On See Note B 2.5 µ s Remote OFF Setup Time t R(OFF) Minimum Time Before Drain Turn-On to Disable Cycle, See Note B 2.5 µ s FREQUENCY INPUT FREQUENCY Pin Threshold Voltage V F See Note B 2.9 V FREQUENCY Pin Input Current I F V F = VC 10 40 100 µ A CIRCUIT PROTECTION Self Protection Current Limit (See Note C) I LIMIT TOP242 P/G TOP242 Y/R/F T J = 25 °C Internal di/dt = 90 mA/µs 0.418 0.45 0.481 A TOP243 P/G T J = 25 °C Internal di/dt = 150 mA/µs 0.697 0.75 0.802 TOP243 Y/R/F T J = 25 °C Internal di/dt = 180 mA/µs 0.837 0.90 0.963 TOP244 P/G T J = 25 °C Internal di/dt = 200 mA/µs 0.930 1.00 1.070 TOP244 Y/R/F T J = 25 °C Internal di/dt = 270 mA/µs 1.256 1.35 1.445 TOP245 P/G T J = 25 °C Internal di/dt = 220 mA/µs 1.02 1.10 1.18 TOP245 Y/R/F T J = 25 °C Internal di/dt = 360 mA/µs 1.674 1.80 1.926 TOP246 P/G T J = 25 °C Internal di/dt = 270 mA/µs 1.256 1.35 1.445 TOP246 Y/R/F T J = 25 °C Internal di/dt = 540 mA/µs 2.511 2.70 2.889 TOP247 Y/R/F T J = 25 °C Internal di/dt = 720 mA/µs 3.348 3.60 3.852 |
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