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TOP250G-TL Datasheet(PDF) 38 Page - Power Integrations, Inc. |
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TOP250G-TL Datasheet(HTML) 38 Page - Power Integrations, Inc. |
38 / 52 page TOP242-250 M 12/04 38 NOTES: A. For specifications with negative values, a negative temperature coefficient corresponds to an increase in magnitude with increasing temperature, and a positive temperature coefficient corresponds to a decrease in magnitude with increasing temperature. B. Guaranteed by characterization. Not tested in production. C. For externally adjusted current limit values, please refer to Figures 54b, 55b and 56b (Current Limit vs. External Current Limit Resistance) in the Typical Performance Characteristics section. The tolerance specified is only valid at full current limit. D. Breakdown voltage may be checked against minimum BV DSS specification by ramping the DRAIN pin voltage up to but not exceeding minimum BV DSS. E. It is possible to start up and operate TOPSwitch-GX at DRAIN voltages well below 36 V. However, the CONTROL pin charging current is reduced, which affects start-up time, auto-restart frequency, and auto-restart duty cycle. Refer to Figure 68, the characteristic graph on CONTROL pin charge current (I C) vs. DRAIN voltage for low voltage operation characteristics. Parameter Symbol Conditions SOURCE = 0 V; T J = -40 to 125 °C See Figure 53 (Unless Otherwise Specified) Min Typ Max Units OUTPUT (cont.) Rise Time t R Measured in a Typical Flyback Converter Application 100 ns Fall Time t F 50 ns SUPPLY VOLTAGE CHARACTERISTICS DRAIN Supply Voltage See Note E 36 V Shunt Regulator Voltage V C(SHUNT) I C = 4 mA 5.60 5.85 6.10 V Shunt Regulator Temperature Drift ±50 ppm/°C Control Supply/ Discharge Current I CD1 Output MOSFET Enabled V X, VL, VM = 0 V TOP242-245 1.0 1.6 2.5 mA TOP246-249 1.2 2.2 3.2 TOP250 1.3 2.4 3.65 I CD2 Output MOSFET Disabled V X, VL, VM = 0 V 0.3 0.6 1.3 |
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