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UM3502QA Datasheet(PDF) 3 Page - Union Semiconductor, Inc. |
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UM3502QA Datasheet(HTML) 3 Page - Union Semiconductor, Inc. |
3 / 13 page ________________________________________________________________________ http://www.union-ic.com Rev.01 Nov.2015 3/13 UM3502QA Absolute Maximum Ratings (Note 1) Symbol Parameter Value Unit VIN, VOUT Input and Output Voltages -0.3 to +6.0 V VEN, VFB EN, FB Voltages -0.3 to VIN+0.3 V VSW SW Voltage -0.3 to VIN+0.3 V ISW Peak SW Sink and Source Current 1.5 A TO Operating Temperature -40 to +85 °C TSTG Storage Temperature Range -65 to +150 °C TREFLOW Reflow Temperature, MSL3 JEDEC J-STD-020C, 10 Sec 260 °C Note 1: Stresses greater than those listed under Maximum Ratings may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. Electrical Characteristics (Note 2) (VIN=VEN=3.6V, TA=+25°C, CIN=4.7μF, COUT=10μF, unless otherwise noted) Symbol Parameter Test Conditions Min Typ Max Unit VIN Input Voltage Range 2.5 5.5 V VOUT Output Voltage Range 0.6 5 V IO(max) Maximum Output Current VIN≥3V, VOUT=1.8V 600 mA VIN=2.5V, VOUT=1.8V 300 IQ (Active) Input DC Supply Current (Active Mode) VFB=0.6V, ILOAD=0A 60 μA IQ (Shutdown) Input DC Supply Current (Shutdown Mode) VEN=0V 0.1 1.0 μA VFB Feedback Voltage 0.5880 0.6000 0.6120 V TA=-40~85°C 0.5830 0.6000 0.6150 IFB FB Input Bias Current VFB=0.65V ±30 nA Reference Voltage Line Regulation 2.5V≤V IN≤5.5V, VOUT=VFB (R2=0) 0.11 0.40 %/V Output Voltage Line Regulation 2.5V≤V IN≤5.5V, IOUT=10mA 0.11 0.40 %/V Output Voltage Load Regulation 100mA≤I OUT≤600mA 0.0015 %/mA f Oscillator Frequency VFB=0.6V or VOUT=100% 1.2 MHz RDS(ON) RDS(ON) of P-CH MOSFET VIN=3.6V, ISW=100mA 0.45 0.55 Ω RDS(ON) of N-CH MOSFET VIN=3.6V, ISW=-100mA 0.30 0.40 Ω Internal Inductor DCR 0.18 0.23 Ω IP Peak Inductor Current VIN=3.0V, VFB=0.5V or VOUT=90%, Duty Cycle<35% 0.90 1.20 1.60 A |
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