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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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LM2596S-12 Fiches technique(PDF) 5 Page - Texas Instruments |
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LM2596S-12 Fiches technique(HTML) 5 Page - Texas Instruments |
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5 / 33 page  LM2596-ADJ Electrical Characteristics Specifications with standard type face are for T J = 25˚C, and those with boldface type apply over full Operating Tempera- ture Range Symbol Parameter Conditions LM2596-ADJ Units (Limits) Typ (Note 3) Limit (Note 4) SYSTEM PARAMETERS (Note 5) Test Circuit Figure 1 V FB Feedback Voltage 4.5V ≤ V IN ≤ 40V, 0.2A ≤ ILOAD ≤ 3A 1.230 V V OUT programmed for 3V. Circuit of Figure 1 1.193/1.180 V(min) 1.267/1.280 V(max) η Efficiency V IN = 12V, VOUT = 3V, ILOAD =3A 73 % All Output Voltage Versions Electrical Characteristics Specifications with standard type face are for T J = 25˚C, and those with boldface type apply over full Operating Tempera- ture Range. Unless otherwise specified, V IN = 12V for the 3.3V, 5V, and Adjustable version and VIN = 24V for the 12V ver- sion. I LOAD = 500 mA Symbol Parameter Conditions LM2596-XX Units (Limits) Typ (Note 3) Limit (Note 4) DEVICE PARAMETERS I b Feedback Bias Current Adjustable Version Only, V FB = 1.3V 10 nA 50/100 nA (max) f O Oscillator Frequency (Note 6) 150 kHz 127/110 kHz(min) 173/173 kHz(max) V SAT Saturation Voltage I OUT = 3A (Notes 7, 8) 1.16 V 1.4/1.5 V(max) DC Max Duty Cycle (ON) (Note 8) 100 % Min Duty Cycle (OFF) (Note 9) 0 I CL Current Limit Peak Current (Notes 7, 8) 4.5 A 3.6/3.4 A(min) 6.9/7.5 A(max) I L Output Leakage Current Output = 0V (Notes 7, 9) 50 µA(max) Output = −1V (Note 10) 2 mA 30 mA(max) I Q Quiescent Current (Note 9) 5 mA 10 mA(max) I STBY Standby Quiescent Current ON/OFF pin = 5V (OFF) (Note 10) 80 µA 200/250 µA(max) θ JC Thermal Resistance TO-220 or TO-263 Package, Junction to Case 2 ˚C/W θ JA TO-220 Package, Junction to Ambient (Note 11) 50 ˚C/W θ JA TO-263 Package, Junction to Ambient (Note 12) 50 ˚C/W θ JA TO-263 Package, Junction to Ambient (Note 13) 30 ˚C/W θ JA TO-263 Package, Junction to Ambient (Note 14) 20 ˚C/W ON/OFF CONTROL Test Circuit Figure 1 ON /OFF Pin Logic Input 1.3 V V IH Threshold Voltage Low (Regulator ON) 0.6 V(max) V IL High (Regulator OFF) 2.0 V(min) www.national.com 4 |
Numéro de pièce similaire - LM2596S-12 |
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Description similaire - LM2596S-12 |
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