データシートサーチシステム |
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LM3203 データシート(PDF) 3 Page - National Semiconductor (TI) |
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LM3203 データシート(HTML) 3 Page - National Semiconductor (TI) |
3 / 15 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, BYP, V CON (SGND −0.2V) to (V DD +0.2V) w/6.0V max SW, BYPOUT (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 (Note 4) Human Body Model 2.0 kV Operating Ratings (Notes 1, 2) Input Voltage Range 2.7V to 5.5V Recommended Load Current PWM Mode 0mA to 500mA Bypass Mode 0mA to 500mA 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 100˚C/W Resistance ( θ JA), TLP10 Package (Note 6) Electrical Characteristics (Notes 2, 7) 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, speci- fications apply to the LM3203 with: PV IN =VDD = EN = 3.6V, BYP = 0V, VCON = 0.267V. Symbol Parameter Conditions Min Typ Max Units V IN Input Voltage Range (Note 8) PV IN =VDD =VIN 2.7 5.5 V V FB, MIN Feedback Voltage at Minimum Setting V CON = 0.267V, VIN = 3.6V 0.250 0.267 0.284 V V FB, MAX Feedback Voltage at Maximum Setting V CON = 1.20V, VIN = 4.2V 1.176 1.200 1.224 V OVP Over-Voltage Protection Threshold (Note 9) 100 150 mV I SHDN Shutdown Supply Current (Note 10) EN = SW = BYPOUT = V CON =FB=0V 0.1 3 µA I Q_PWM DC Bias Current into V DD V CON = 0.267V, FB = 2V, BYPOUT = 0V, No Switching 675 780 µA I Q_BYP BYP = 3.6V, V CON = 0.5V, No Load 680 780 µA R DSON (P) Pin-Pin Resistance for P-FET I SW = 500mA 320 450 m Ω R DSON (N) Pin-Pin Resistance for N-FET I SW = − 200mA 310 450 m Ω R DSON (BYP) Pin-Pin Resistance for Bypass FET I BYPOUT = 500mA 85 120 m Ω I LIM-PFET Switch Current Limit (Note 11) 700 820 940 mA I LIM-BYP Bypass FET Current Limit (Note 12) 800 1000 1200 mA F OSC Internal Oscillator Frequency 1.7 2 2.2 MHz V IH Logic High Input Threshold for EN, BYP 1.20 V V IL Logic Low Input Threshold for EN, BYP 0.4 V I PIN Pin Pull Down Current for EN, BYP EN, BYP = 3.6V 5 10 µA www.national.com 3 |
同様の部品番号 - LM3203 |
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同様の説明 - LM3203 |
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