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LM3880MFX-1AB датащи(PDF) 6 Page - National Semiconductor (TI) |
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LM3880MFX-1AB датащи(HTML) 6 Page - National Semiconductor (TI) |
6 / 20 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 BATT pin to GND and QGND -0.2V to 6.0V Enable pins, Feedback pins, SW pin (GND-0.2V) to (V BATT+0.2V) with 6.0V max Junction Temperature (T J-MAX ) 150°C Storage Temperature Range -65°C to + 150°C Continuous Power Dissipation (Note 3) Internally Limited Maximum Lead Temperature (Soldering) (Note 4) Operating Ratings Input Voltage Range V BATT (DC-DC & LDO) 2.7V to 5.5V Junction Temperature (T J) Range -40°C to + 125°C Ambient Temperature (T A) Range (Note 5) -40°C to + 85°C Thermal Properties Junction-to-Ambient Thermal Resistance ( θ JA) (Note 6) Micro SMD 12 120°C/W Electrical Characteristics (Notes 2, 7, 9, 10) Limits in standard typeface are for T A = 25°C. Limits appearing in boldface type apply over the full operating ambient temperature range: -40°C ≤ T A= TJ ≤ +85°C. Unless otherwise noted, specifications apply to the closed loop typical application circuits (linear regulator) with V IN_LDO = VBATT = 3.6V(Note 17) , V IN_LILO = VOUT_DCDC(NOM), VEN (All) = VBATT, CIN_DC = 4.7 µF, COUT_LILO = 2.2 µF, CIN_LDO = 1.0 µF , COUT_LDO = 1.0 µF ,COUT_DC = C IN_LILO = 10 µF Linear Regulator — LILO (EN_DCDC = EN_LILO = ON - Large NMOS) Symbol Parameter Condition Limits Units Min Typ Max ΔV OUT_LILO / V OUT_LILO Output Voltage Accuracy, V OUT_LILO I OUT_LILO = 1 mA to 350 mA V IN_LILO = VOUT_DCDC V BATT = 3.6V 1.176 1.2 1.224 V ΔV OUT_LILO / ΔmA Load Regulation (Note 15) I OUT_LILO = 1 mA & 350 mA V IN_LILO = VOUT_DCDC V BATT = 3.6V 4 12 µV/mA V DROP Dropout Voltage (Note 8) V BATT = VOUT_LILO + 1.5V (V IN_LILO disconnected from V OUT_DCDC), I OUT = 350 mA 50 80 mV I Q_VIN_LILO Quiescent Current V BATT = VIN_LILO = 3.6V 70 90 µA I SC_LILO Short Circuit Current Limit V OUT = GND (VOUT_LILO = 0 ) 400 mA LILO (EN_DCDC = OFF, EN_LILO = ON - SMALL NMOS) ΔV OUT_LILO / V OUT_LILO Output Voltage Accuracy, V OUT_LILO I OUT = 1 mA to 50 mA 1.176 1.224 V ΔV OUT_LILO / ΔV BATT Line Regulation (Small NMOS) (Note 14) V IN_LILO = (VOUT_LILO + 0.3V) to 5.5V 0.4 1.5 mV/V I SC_LILO Short circuit current V OUT_LILO = GND 70 mA T STARTUP Start up time EN to 0.95V OUT 70 µS System Characteristic (Note 13) PSRR Power Supply Rejection Ratio(Note 12) Signal to V BATT = 3.6V, V IN_LILO = 1.8V I OUT = 200 mA, f = 100 Hz 68 dB Signal to V IN_LILO = 1.8V I OUT = 200 mA, f = 1kHz 60 www.national.com 6 |
Аналогичный номер детали - LM3880MFX-1AB |
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Аналогичное описание - LM3880MFX-1AB |
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