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LM3218SEX データシート(PDF) 3 Page - National Semiconductor (TI) |
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LM3218SEX データシート(HTML) 3 Page - National Semiconductor (TI) |
3 / 16 page Absolute Maximum Ratings (Notes 1, 2) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. V DD, PVIN to SGND −0.2V to +6.0V PGND to SGND −0.2V to +0.2V EN, FB, V CON (SGND −0.2V) to (V DD +0.2V) w/6.0V max V OUT (PGND −0.2V) to (PV IN +0.2V) w/6.0V max PV IN to VDD −0.2V to +0.2V Continuous Power Dissipation (Note 3) Internally Limited Junction Temperature (T J-MAX) +150°C Storage Temperature Range −65°C to +150°C Maximum Lead Temperature (Soldering, 10 sec.) +260°C ESD Rating (Notes 4, 13) Human Body Model: Machine Model: 2000V 200V Operating Ratings (Notes 1, 2) Input Voltage Range 2.7V to 5.5V Recommended Load Current 0 mA to 650 mA Junction Temperature (T J) Range −30°C to +125°C Ambient Temperature (T A) Range (Note 5) −30°C to +85°C Thermal Properties Junction-to-Ambient Thermal 120°C/W Resistance ( θ JA), TLP08 Package (Note 6) Electrical Characteristics (Notes 2, 7, 8) Limits in standard typeface are for T A = TJ = 25°C. Limits in boldface type apply over the full operating ambient temperature range (−30°C ≤ T A = TJ ≤ +85°C). Unless otherwise noted, all specifications apply to the LM3218 with: PV IN = VDD = EN = 3.6V. Symbol Parameter Conditions Min Typ Max Units V FB, MIN Feedback voltage at minimum setting V CON = 0.32V VIN = 3.6V(Note 8) 0.75 0.80 0.85 V V FB, MAX Feedback voltage at maximum setting V CON = 1.44V, VIN = 4.2V(Note 8) 3.526 3.600 3.696 V I SHDN Shutdown supply current EN = V OUT = VCON = 0V, (Note 9) 0.01 2 µA I Q DC bias current into V DD V CON = 0V, FB = 0V, No Switching (Note 10) 0.6 0.7 mA R DROPOUT Pin Vout - PinVin resistance I OUT = 200mA, VCON = 0.5V 300 400 m Ω I LIM (L_PFET) Large PFET (L) Switch peak current limit V CON = 0.5V (Note 11) 1100 mA I LIM (S_PFET) Small PFET (S) Switch peak current limit V CON = 0.32V (Note 11) 800 mA F OSC Internal oscillator frequency 2.0 MHz V IH,ENABLE Logic high input threshold 1.2 V V IL,ENABLE Logic low input threshold 0.5 V I PIN,ENABL E Pin pull down current EN = 3.6V 5 10 µA V CON,ON V CON Threshold for turning on switches 0.15 V I CON V CON pin leakage current V CON = 1.0V ±1 µA Gain V CON to VOUT Gain 0.32V ≤ V CON ≤ 1.44V 2.5 V/V 3 www.national.com |
同様の部品番号 - LM3218SEX |
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同様の説明 - LM3218SEX |
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