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LM2612BBPX Datenblatt(PDF) 3 Page - National Semiconductor (TI) |
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LM2612BBPX Datenblatt(HTML) 3 Page - National Semiconductor (TI) |
3 / 19 page Absolute Maximum Ratings (Note 1) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. PVIN, VDD, to SGND −0.2V to +6V PGND to SGND −0.2V to +0.2V EN, SYNC/MODE, VID0, VID1 to SGND −0.2V to +6V FB, SW (GND −0.2V) to (VDD +0.2V) Storage Temperature Range −45˚C to +150˚C Lead temperature (Soldering, 10 sec.) 260˚C Junction Temperature (Note 2) −25˚C to 125˚C Minimum ESD Rating Human body model, C = 100pF, R = 1.5 k Ω ±2.5kV Thermal Resistance ( θ JA) LM2612ABP & LM2612BBP (Note 3) 170˚C/W Electrical Characteristics Specifications with standard typeface are for T A =TJ = 25˚C, and those in bold face type apply over the full Operating Tem- perature Range (T A =TJ = −25˚C to +85˚C). Unless otherwise specified, PVIN = VDD = EN = SYNC = 3.6V, VID0 = VID1 = 0V. Symbol Parameter Conditions Min Typ Max Units V IN Input Voltage Range (Note 5) PVIN = VDD = VID1 = V IN, VID0 = 0V 2.8 5.5 V V FB Feedback Voltage (Note 6) VID0 = V IN, VID1 = VIN 1.00 1.05 1.10 V VID0 = V IN, VID1 = 0V 1.274 1.30 1.326 VID0 = 0V, VID1 = 0V 1.470 1.50 1.530 VID0 = 0V, VID1 = V IN 1.764 1.8 1.836 V HYST PFM Comparator Hysteresis Voltage (Note 7) PFM Mode (SYNC = 0V) 16 mV I SHDN Shutdown Supply Current EN = 0V 0.1 3 µA I Q1 DC Bias Current into VDD (V OUT set to 1.5V) No-Load, PFM mode (SYNC/MODE = 0V) 150 185 µA I Q2 No-Load, PWM mode (SYNC/MODE = V IN) 555 725 R DSON (P) Pin-Pin Resistance for P FET LM2612ABP & LM2612BBP 370 500 m Ω R DSON (N) Pin-Pin Resistance for N FET LM2612ABP & LM2612BBP 330 500 m Ω R DSON , TC FET Resistance Temperature Coefficient 0.5 %/C I lim Switch Peak Current Limit (Note 8) LM2612ABP 510 690 850 mA LM2612BBP 400 690 980 V EN_H EN Positive Going Threshold Voltage (Note 8) V DD = 3.6V 2.54 2.85 V V EN_L EN Negative Going Threshold Voltage (Note 8) V DD = 3.6V 1.70 2.00 V V SYNC_H SYNC/MODE Positive Going Threshold Voltage 0.95 1.3 V V SYNC_L SYNC/MODE Negative Going Threshold Voltage 0.4 0.9 V V ID_H V ID0,VID1 Positive Going Threshold Voltage 0.92 1.2 V V ID_L V ID0,VID1 Negative Going Threshold Voltage 0.4 0.83 V www.national.com 3 |
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