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LM3205TLX Arkusz danych(PDF) 4 Page - National Semiconductor (TI) |
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LM3205TLX Arkusz danych(HTML) 4 Page - National Semiconductor (TI) |
4 / 18 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 SW (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: 2kV 200V Operating Ratings (Notes 1, 2) Input Voltage Range 2.7V to 5.5V Recommended Load Current 0mA to 650mA 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 microSMD 100˚C/W Resistance ( θ JA), microSMD TLA08 Package (Note 6) Junction-to-Ambient Thermal LLP 55˚C/W Resistance ( θ JA), LLP SDA10A Package (Note 6) Electrical Characteristics (Notes 2, 7, 8) Limits in standard typeface are for T A =TJ = 25˚C. Limits in bold- face type apply over the full operating ambient temperature range (−30˚C ≤ T A =TJ ≤ +85˚C). Unless otherwise noted, all specifications apply to LM3205TL/LM3205SD 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(Note 8) 0.75 0.8 0.85 V V FB, MAX Feedback Voltage at maximum setting V CON = 1.44V, VIN = 4.2V(Note 8) 3.537 3.6 3.683 V I SHDN Shutdown supply current EN = SW = V CON = 0V, (Note 9) 0.01 2 µA I Q DC bias current into V DD V CON = 2V, FB = 0V, No Switching (Note 10) 1 1.4 mA R DSON(P) micro SMD Pin-pin resistance for PFET I SW = 200mA 140 200 230 m Ω R DSON(N) micro SMD Pin-pin resistance for NFET I SW = -200mA 300 415 485 m Ω R DSON(P)LLP Pin-pin resistance for PFET I SW = 200mA 170 230 260 m Ω R DSON(N)LLP Pin-pin resistance for NFET I SW = -200mA 330 445 515 m Ω I LIM,PFET Switch peak current limit (Note 11) 935 1100 1200 mA F OSC Internal oscillator frequency 1.7 2 2.3 MHz V IH,EN Logic high input threshold 1.2 V V IL,EN Logic low input threshold 0.5 V I PIN,EN Pin pull down current 5 10 µA Z CON V CON input resistance 100 k Ω Gain V CON to VOUT Gain 0.32V ≤ V CON ≤ 1.44V 2.5 V/V www.national.com 4 |
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