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RT9526AGE Datasheet(PDF) 3 Page - Richtek Technology Corporation |
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RT9526AGE Datasheet(HTML) 3 Page - Richtek Technology Corporation |
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3 / 10 page  RT9526A 3 DS9526A-01 April 2011 www.richtek.com Absolute Maximum Ratings (Note 1) Supply Voltage, VIN ------------------------------------------------------------------------------------------------------ −0.3V to 28V CHG_SB, PGB Pins ------------------------------------------------------------------------------------------------------ −0.3V to 7V Others ------------------------------------------------------------------------------------------------------------------------ −0.3V to 6V Power Dissipation, PD @ TA = 25 °C WDFN-8L 2x3 -------------------------------------------------------------------------------------------------------------- 0.833W Package Thermal Resistance (Note 2) WDFN-8L 2x3, θJA --------------------------------------------------------------------------------------------------------- 120°C/W WDFN-8L 2x3, θJC--------------------------------------------------------------------------------------------------------- 8.2°C/W Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------------- 260 °C Junction Temperature ----------------------------------------------------------------------------------------------------- 150 °C Storage Temperature Range -------------------------------------------------------------------------------------------- −65°C to 150°C Recommended Operating Conditions (Note 3) Junction Temperature Range -------------------------------------------------------------------------------------------- −40°C to 125°C Ambient Temperature Range -------------------------------------------------------------------------------------------- −40°C to 85°C Electrical Characteristics Parameter Symbol Test Conditions Min Typ Max Unit VIN POR Rising Threshold Voltage VPOR_H 3.4 3.8 4.2 V VIN POR Falling Threshold Voltage VPOR_L 3.1 3.5 3.9 V VIN − VBATT VOS Rising VOS_H -- 90 150 mV VIN − VBATT VOS Falling VOS_L 10 50 -- mV VIN Standby Current VBATT = 4.5V -- 400 600 μA BATT Sleep Leakage Current ISLEEP -- 1 5 μA Battery Regulation Voltage VREG 4.158 4.2 4.242 V VIN Power FET On-Resistance RDS(ON) IBATT = 0.5A -- 0.6 -- Ω ISET Set Voltage (Fast Charge Phase) VISET -- 1.22 -- V Charge Current Accuracy RISET = 24.3kΩ 450 500 550 mA BATT Pre-Charge Threshold VCHG_PRE 2.45 2.55 2.65 V BATT Pre-Charge Threshold Hysteresis ΔVCHG_PRE 40 100 150 mV Pre-Charge Current ICHG_PRE 12 16.7 21.3 % Logic-High VIH 1.5 -- -- V ENB Input Threshold Voltage Logic-Low VIL VIN = 4.2V to 24V -- -- 0.4 V Thermal Regulation TREG -- 115 -- °C VIN Over Voltage Protection Threshold VOVP 6.7 7 7.5 V VIN OVP Hysteresis ΔVOVP -- 0.1 -- V PGB Pull Down Voltage 5mA -- 200 -- mV CHG_SB Pull Down Voltage 5mA -- 200 -- mV (VIN = 4.5V, TA = 25 °C unless otherwise specified) To be continued |
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