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RT9701B Datasheet(PDF) 3 Page - Richtek Technology Corporation |
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RT9701B Datasheet(HTML) 3 Page - Richtek Technology Corporation |
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3 / 11 page  RT9701B 3 DS9701B-06 April 2011 www.richtek.com Electrical Characteristics Absolute Maximum Ratings (Note 1) Supply Voltage ------------------------------------------------------------------------------------------------------------- 7V Chip Enable ----------------------------------------------------------------------------------------------------------------- −0.3V to 7V Power Dissipation, PD @ TA = 25°C SOT-23-5 -------------------------------------------------------------------------------------------------------------------- 0.4W Package Thermal Resistance (Note 3) SOT-23-5, θJA --------------------------------------------------------------------------------------------------------------- 250°C /W Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------------- 260 °C Operating Junction Temperature Range ------------------------------------------------------------------------------ −20°C to 100°C Storage Temperature Range -------------------------------------------------------------------------------------------- −65°C to 150°C ESD Susceptibility (Note 2) HBM (Human Body Mode) ---------------------------------------------------------------------------------------------- 8kV MM (Machine Mode) ------------------------------------------------------------------------------------------------------ 700V Parameter Symbol Test Conditions Min Typ Max Units Input Voltage Range VIN 3.5 -- 6 V RT9701BCBL IL = 1A -- 85 100 Output NMOSFET RDS(ON) RT9701BCB RDS(ON) IL = 1A -- 87 100 m Ω Quiescent Current VIN = 5V -- 23 45 μA Output Turn-On Rising Time TR RL = 10Ω, 90% Settling -- 400 -- μs Current Limit Threshold ILIM RL = 2Ω 1.1 1.5 2 A Short-circuit Fold Back Current IOS VOUT = 0V, measured prior to thermal shutdown -- 1.0 -- A EN Input High Threshold RT9701BCB 2.0 -- -- V EN Input Low Threshold RT9701BCB -- -- 0.8 V Shutdown Supply Current RT9701BCB IOFF EN = “0” -- 0.1 1 μA Output Leakage Current RT9701BCB ILEAKAGE EN = “0”, VOUT = 0V -- 0.5 10 μA VIN Under Voltage Lockout UVLO 2.8 3 -- V VIN Under Voltage Hysteresis -- 100 -- mV Thermal Limit TSD -- 130 -- °C Thermal Limit Hysteresis ΔTSD -- 20 -- °C (VIN = 5V, CIN = COUT = 1 μF, TA = 25°C, unless otherwise specified) 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 is recommended. Note 3. θJA is measured in the natural convection at TA = 25°C on a low effective thermal conductivity test board of JEDEC 51-3 thermal measurement standard. |
Similar Part No. - RT9701B_11 |
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Similar Description - RT9701B_11 |
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