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RT9170-20PB Datasheet(PDF) 3 Page - Richtek Technology Corporation |
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RT9170-20PB Datasheet(HTML) 3 Page - Richtek Technology Corporation |
3 / 13 page RT9170 3 DS9170-11 March 2007 www.richtek.com Absolute Maximum Ratings (Note 1) Supply Input Voltage -------------------------------------------------------------------------------------------------- 7V Power Dissipation, PD @ TA = 25 °C SOT-23-3 ---------------------------------------------------------------------------------------------------------------- 0.4W SOT-23-5 ---------------------------------------------------------------------------------------------------------------- 0.4W SOT-89 ------------------------------------------------------------------------------------------------------------------- 0.571W Package Thermal Resistance (Note 7) SOT-23-3, θJA ---------------------------------------------------------------------------------------------------------- 250°C/W SOT-23-5, θJA ---------------------------------------------------------------------------------------------------------- 250°C/W SOT-89, θJA ------------------------------------------------------------------------------------------------------------- 175°C/W Junction Temperature ------------------------------------------------------------------------------------------------- 150 °C Storage Temperature Range ---------------------------------------------------------------------------------------- −65°C to 150°C ESD Susceptibility (Note 2) HBM (Human Body Mode) ------------------------------------------------------------------------------------------ 2kV MM (Machine Mode) -------------------------------------------------------------------------------------------------- 200V Recommended Operating Conditions (Note 3) Supply Input Voltage -------------------------------------------------------------------------------------------------- 2V to 5.5V Enable Input Voltage -------------------------------------------------------------------------------------------------- 0V to 5.5V Junction Temperature Range ---------------------------------------------------------------------------------------- −40°C to 125°C Electrical Characteristics (VIN = VOUT + 1V, CIN = COUT = 1 μF, TA = 25°C, unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Units Output Voltage Accuracy ΔVOUT IOUT = 1mA −2 -- +2 % Current Limit ILIM RLOAD = 1Ω 300 -- -- mA Quiescent Current (Note 5) IQ VEN ≤ 0.6V, IOUT = 0mA -- 15 -- μA Dropout Voltage VDROP IOUT = 300mA -- 240 -- mV Line Regulation ΔVLINE VIN = (VOUT + 0.3V) to 5.5V, IOUT = 1mA −0.3 0.018 +0.3 %/V Load Regulation (Note 4) ΔVLOAD 1mA < IOUT < 300mA -- 0.01 0.04 %/mA Standby Current (Note 6) ISTBY VEN ≥ 2V (Shutdown), VIN = 5.5V -- 0.1 -- μA Logic-Low Voltage VIL VIN = 2V to 5.5V, Enable -- -- 0.6 EN Threshold Logic-High Voltage VIH VIN = 2V to 5.5V, Shutdown 2 -- -- V Power Supply Rejection PSRR f = 1kHz, COUT = 1μF -- −40 -- dB Thermal Shutdown Temperature TSD -- 150 -- °C |
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