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RT9187-33GSP Datasheet(PDF) 4 Page - Richtek Technology Corporation |
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RT9187-33GSP Datasheet(HTML) 4 Page - Richtek Technology Corporation |
4 / 9 page RT9187 4 DS9187-09 April 2008 www.richtek.com Absolute Maximum Ratings (Note 1) Supply Input Voltage -------------------------------------------------------------------------------------------------- 6V EN Input Voltage ------------------------------------------------------------------------------------------------------- 6V Power Dissipation, PD @ TA = 25 °C VDFN-8L 3x3 ----------------------------------------------------------------------------------------------------------- 0.923W SOP-8 (Exposed Pad) ----------------------------------------------------------------------------------------------- 1.33W Package Thermal Resistance (Note 9) VDFN-8L 3x3, θJC ----------------------------------------------------------------------------------------------------- 8.2°C/W VDFN-8L 3x3, θJA ------------------------------------------------------------------------------------------------------ 108°C/W SOP-8 (Exposed Pad), θJC ----------------------------------------------------------------------------------------- 15°C/W SOP-8 (Exposed Pad)-8, θJA --------------------------------------------------------------------------------------- 75°C/W Lead Temperature (Soldering, 10 sec.) --------------------------------------------------------------------------- 260 °C Junction Temperature ------------------------------------------------------------------------------------------------- 150 °C Storage Temperature Range ---------------------------------------------------------------------------------------- −65°C to 150°C ESD Susceptibility (Note 2) HBM ---------------------------------------------------------------------------------------------------------------------- 2kV MM ------------------------------------------------------------------------------------------------------------------------ 200V Recommended Operating Conditions (Note 3) Supply Input Voltage -------------------------------------------------------------------------------------------------- 2.5V to 5.5V EN Input Voltage ------------------------------------------------------------------------------------------------------- 0V to 5.5V 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 Units Output Voltage Accuracy (Fixed Output Voltage) ΔVOUT IOUT = 10mA −2 0 +2 % Output Voltage Range (Adjustable) VOUT_Adj 0.8 -- 4.5 V Quiescent Current (Note 6) IQ VEN ≥ VIH, IOUT = 0mA -- 380 500 μA Standby Current (Note 7) ISTBY VEN ≤ VIL,VIN = 3.3V -- 0.1 1 μA Current Limit ILIM RLOAD = 0.5Ω, VIN = 3.3V 2 2.8 3 A Dropout Voltage (Note 4) VDROP IOUT = 0.25A (Note 8) -- 60 100 mV IOUT = 0.5A -- 120 180 IOUT = 1.0A -- 240 360 Load Regulation (Note 5) (Fixed Output Voltage) ΔVLOAD VIN = (VOUT + 0.5V) 10mA < IOUT < 1.0A -- 0.4 -- %/A EN Threshold Logic-Low Voltage VIL VIN = 3.3V -- -- 0.6 V Logic-High Voltage VIH VIN = 3.3V 1.8 -- -- Enable Pin Current IEN VIN = 3.3V, Enable -- 0.1 1 μA To be continued (VIN = VOUT + 1V, VEN = VIN, CIN = COUT = 2.2 μF (Ceramic) & CBP = 10nF, TA = 25°C unless otherwise specified) |
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