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LM2608 数据表(PDF) 4 Page - National Semiconductor (TI) |
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LM2608 数据表(HTML) 4 Page - National Semiconductor (TI) |
4 / 18 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, VSEL 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 ±2.0kV Thermal Resistance ( θ JA) LM2608ATL(Note 3) 140˚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, VSEL = 0V, VREF = 1.35V. Symbol Parameter Conditions Min Typ Max Units V IN Input Voltage Range (Note 4) PVIN = VDD, VSEL = V IN 2.8 5.5 V V FB Feedback Voltage PWM Mode SYNC/MODE = V IN(Note 5) LM2608ATL-1.3, VSEL = 0V 1.287 1.30 1.313 V LM2608ATL-1.3, VSEL = V IN 1.485 1.50 1.515 LM2608ATL-1.8, VSEL = 0V 1.485 1.50 1.515 LM2608ATL-1.8, VSEL = V IN 1.782 1.80 1.818 V FB, LIN Feedback Voltage LIN Mode (SYNC/MODE =0V) V IN= 3.6V I OUT = 100µA LM2608ATL-1.3, VSEL = 0V 1.261 1.30 1.339 V LM2608ATL-1.3, VSEL = V IN 1.455 1.50 1.545 LM2608ATL-1.8, VSEL = 0 1.455 1.50 1.545 LM2608ATL-1.8, VSEL = V IN 1.746 1.80 1.854 ∆V OUT_LDO Line Regulation I OUT = 100µA 0.1 %/V Load Regulation V IN= 3.6V, IOUT = 10µA to 1.5mA 1.0 %/mA V HYST OVP Comparator Hysteresis Voltage (Note 6) PWM Mode 45 75 mV I SHDN Shutdown Supply Current EN = 0V 0.02 3 µA I Q, PWM DC Bias Current into VDD (PWM Mode) FB=2V SYNC/MODE =V IN 590 725 µA I Q, LIN DC Bias Current into VDD (LDO Mode) SYNC/MODE = 0V, I OUT =0mA 20 30 R DSON (P) Pin-Pin Resistance for P FET 370 500 m Ω R DSON (N) Pin-Pin Resistance for N FET 330 500 m Ω R DSON , TC FET Resistance Temperature Coefficient 0.5 %/C I SC, LDO Short Circuit (LDO) V OUT = GND SYNC/MODE = 0V 3 6 8 mA I lim Switch Peak Current Limit (Note 7) LM2608ATL-1.3 383 460 518 mA LM2608ATL-1.8 510 620 690 V EN_H EN Positive Going Threshold Voltage (Note 8) 0.80 1.3 V V EN_L EN Negative Going Threshold Voltage (Note 8) 0.4 0.75 V www.national.com 4 |
类似零件编号 - LM2608 |
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类似说明 - LM2608 |
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