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LM3671MF-1.2 Fiches technique(PDF) 6 Page - National Semiconductor (TI) |
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LM3671MF-1.2 Fiches technique(HTML) 6 Page - National Semiconductor (TI) |
6 / 24 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. V IN Pin: Voltage to GND −0.2V to 6.0V FB, SW, EN Pin: (GND−0.2V) to (V IN + 0.2V) Continuous Power Dissipation (Note 3) Internally Limited Junction Temperature (T J-MAX) +125°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 kV Machine Model 200V Operating Ratings (Notes 1, 2) Input Voltage Range (Note 10) 2.7V to 5.5V Recommended Load Current 0mA to 600 mA 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 Resistance ( θ JA) (SOT23-5) for 4 layer board (Note 6) 130°C/W Junction-to-Ambient Thermal Resistance ( θ JA) (Micro SMD) for 4 layer board (Note 6) 85°C/W Junction-to-Ambient Thermal Resistance ( θ JA) (COL) for 4 layer board (Note 6) 165°C/W Electrical Characteristics (Notes 2, 8, 9) Limits in standard typeface are for T J = 25°C. Limits in boldface type apply over the full operating ambient temperature range (−30°C ≤ T A ≤ +85°C). Unless otherwise noted, specifications apply to the LM3671MF/TL/LC with V IN = EN = 3.6V Symbol Parameter Condition Min Typ Max Units V IN Input Voltage (Note 10) 2.7 5.5 V V FB Feedback Voltage (Fixed) MF PWM mode (Note 12) -4 +4 % Feedback Voltage (Fixed) TL -2.5 +2.5 Feedback Voltage (Fixed) LC -4 +4 Feedback Voltage (ADJ) MF (Note 11) PWM mode (Note 12) -4 +4 % Feedback Voltage (ADJ) TL -2.5 +2.5 Line Regulation 2.7V ≤ V IN ≤ 5.5V I O = 10 mA 0.031 %/V Load Regulation 100 mA ≤ I O ≤ 600 mA V IN= 3.6V 0.0013 %/mA V REF Internal Reference Voltage 0.5 V I SHDN Shutdown Supply Current EN = 0V 0.01 1 µA I Q DC Bias Current into V IN No load, device is not switching (FB forced higher than programmed output voltage) 16 35 µA R DSON (P) Pin-Pin Resistance for PFET V IN= VGS= 3.6V 380 500 m Ω R DSON (N) Pin-Pin Resistance for NFET V IN= VGS= 3.6V 250 400 m Ω I LIM Switch Peak Current Limit Open Loop (Note 7) 830 1020 1150 mA V IH Logic High Input 1.0 V V IL Logic Low Input 0.4 V I EN Enable (EN) Input Current 0.01 1 µA F OSC Internal Oscillator Frequency PWM Mode (Note 12) 1.6 2 2.6 MHz Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings are conditions under which operation of the device is guaranteed. Operating Ratings do not imply guaranteed performance limits. For guaranteed performance limits and associated test conditions, see the Electrical Characteristics tables. www.national.com 6 |
Numéro de pièce similaire - LM3671MF-1.2 |
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Description similaire - LM3671MF-1.2 |
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