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RT9248PC Datasheet(PDF) 7 Page - Richtek Technology Corporation |
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RT9248PC Datasheet(HTML) 7 Page - Richtek Technology Corporation |
7 / 14 page RT9248 Preliminary 7 DS9248-05 March 2007 www.richtek.com Parameter Symbol Test Conditions Min Typ Max Units DAC (VID0-VID4) Input Low VILDAC_10 VRD10 -- -- 0.4 V DAC (VID0-VID4) Input High VIHDAC_10 VRD10 0.8 -- -- V DAC (VID0-VID4 ) Input Low VILDAC_9 VRM9 -- -- 0.8 V DAC (VID0-VID4) Input High VIHDAC_9 VRM9 2.2 -- -- V VID125 Input for VRM9 VVID125_9 -- -- 0.4 V VID125 Input for VRD10 VVID125_10 0.8 -- -- V DAC (VID0-VID125) Bias Current IBIAS_DAC 60 120 180 μA VOSS Pin Voltage VVOSS RVOSS = 100kΩ 0.95 1.0 1.05 V Error Amplifier DC Gain -- 85 -- dB Gain-Bandwidth Product GBW -- 10 -- MHz Slew Rate SR COMP = 10pF -- 3 -- V/ μs Differential Sense Amplifier Input Impedance ZIMP -- 16 -- k Ω Gain-Bandwidth Product GBW -- 10 -- MHz Slew Rate SR -- 3 -- V/ μs Current Sense GM Amplifier ISP 1,2,3 Full Scale Source Current IISPFSS 60 -- -- μA ISP 1,2,3 Current for OCP IISPOCP 90 -- -- μA Protection IMAX Voltage VIMAX RIMAX = 10k 0.55 0.60 0.65 V SS Current ISS VSS = 1V -- 13 -- μA Over-Voltage Trip (VSEN/DACOUT) ΔOVT -- 140 -- % Power Good Lower Threshold (VSEN/DACOUT) VPG− VSEN Rising -- 92 -- % Output Low Voltage VPGL IPG = 4mA -- -- 0.2 V Note 1. Stresses listed as the above “Absolute Maximum Ratings” may cause permanent damage to the device. These are for stress ratings. Functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may remain possibility to affect device reliability. Note 2. Devices are ESD sensitive. Handling precaution recommended Note 3. The device is not guaranteed to function outside its operating conditions. |
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