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SC632ULTRT Datasheet(PDF) 4 Page - Semtech Corporation |
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SC632ULTRT Datasheet(HTML) 4 Page - Semtech Corporation |
4 / 14 page SC632 4 Parameter Symbol Condition Min Typ Max Units EN Input High Threshold V IH V IN = 5.5V 1.6 V EN Input Low Threshold V IL V IN = 2.7V 0.4 V EN Input High Current I IH V IN = 5.5V 2 μA EN Input Low Current I IL V IN = 5.5V 2 μA Open-Loop Output Resistance R OUT 1x mode 0.25 Ω 1.5x mode, V IN = 3.7V 2.85 Ω 2x mode, V IN = 3.1V 2.9 Ω Mode Transition Voltage (2) V TRANS 1X I OUT = 200mA 5.05 V V TRANS 1.5X I OUT = 200mA 3.71 V Fault Protection Short-Circuit Current I SC V OUT = 0V, I OUT = I IN 300 600 980 mA Input Current Limit I LIMIT V OUT > 2V, 1x mode 0.6 1.2 2.0 A V OUT > 2V, 1.5x and 2x modes 1.2 2.0 2.8 A V OUT ≤ 2V, I OUT = I IN 700 mA Over Temperature T OTP Rising Threshold 165 °C T HYS Hysteresis(3) 20 °C Electrical Characteristics (continued) Notes: (1) Thermal limitation is dependent upon the thermal performance of the printed circuit board in support of the package standard of 68° C/W. (2) Voltage at the IN pin where a mode transition takes place in the charge pump with V IN falling. (3) Guaranteed by design — not tested in production. |
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