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RT9172-17CT Datasheet(PDF) 4 Page - Richtek Technology Corporation |
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RT9172-17CT Datasheet(HTML) 4 Page - Richtek Technology Corporation |
4 / 16 page RT9172 Preliminary www.richtek-ic.com.tw DS9172-03 April 2002 4 Absolute Maximum Ratings Input Voltage 6V Power Dissipation Internally Limited ESD Rating 3 kV Storage Temperature Range −65°C to 150°C Lead Temperature (Soldering, 5 sec.) 260 °C Package Thermal Resistance TO-263, θJC 8 °C/W TO-263, θJA 19.4 °C/W TO-220, θJC 8 °C/W TO-220, θJA 62 °C/W SOT-223, θJC 15 °C/W SOT-223, θJA 60 °C/W Junction Temperature Range -40 °C to +125°C Electrical Characteristics (Limits in standard typeface are for TA = 25 °C, unless otherwise specified: VIN = VO(NOM) + 1.0V, IL = 10mA, COUT = 10µF (Ceramic), VEN = VIN) Parameter Symbol Test Conditions Min Typ Max Units Output Voltage Tolerance -1.5 0 +1.5 % Input Voltage Range VIN 2.25 -- 6 V Line Regulation ∆VLINE VOUT + 0.4V < VIN < 6.0V -- 0.35 0.8 % Note 1 -- 0.4 1 Load Regulation ∆VLOAD Note 2 -- 0.1 0.3 % IL = 300mA -- 50 70 Dropout Voltage VDROP IL = 3A -- 400 700 mV Quiescent Current IQ -- 1.2 3 mA Shutdown Supply Current IGSD VEN = 0V -- 0.5 5 µA Peak Output Current IO(PEAK) 3.5 5 -- A Short Circuit Protection Current Limit ILIMIT 3.5 5 -- A Over Temperature Protection Shutdown Threshold TSD Guaranteed by design -- 170 -- °C Thermal Shutdown Hysteresis Guaranteed by design -- 10 -- °C Shutdown Function Output = High 1.2 VIN -- EN Pin Shutdown Threshold VEN Output = Low -- 0 0.4 V EN Input Current VEN = VIN -- 0.1 -- nA FLG Pin Leakage Current ILEAKAGE -- 1 -- nA FLG Pin Sink Current VFLG = 0.5V 2-- -- mA Note 1: RT9172-CX, RT9172F-XXCX5, 10mA < IL < 3A Note 2: RT9172S-XXCX5, RT9172N-XXCX5, 10mA < IL < 3A |
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