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LM2700Q 데이터시트(PDF) 4 Page - Texas Instruments |
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LM2700Q 데이터시트(HTML) 4 Page - Texas Instruments |
4 / 25 page LM2700Q SNVS794A – MARCH 2012 – REVISED MARCH 2013 www.ti.com Absolute Maximum Ratings (1) (2) VIN 12V SW Voltage 18V FB Voltage 7V VC Voltage 0.965V ≤ VC ≤ 1.565V SHDN Voltage (3) 7V FSLCT (3) 12V Maximum Junction Temperature 150°C Power Dissipation(4) Internally Limited Lead Temperature 300°C Vapor Phase (60 sec.) 215°C Infrared (15 sec.) 220°C ESD Susceptibility (5) Human Body Model 2kV Machine Model 200V (1) Absolute maximum ratings are limits beyond which damage to the device may occur. Operating Ratings are conditions for which the device is intended to be functional, but device parameter specifications may not be ensured. For ensured specifications and test conditions, see the Electrical Characteristics. (2) If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and specifications. (3) This voltage should never exceed VIN. (4) The maximum allowable power dissipation is a function of the maximum junction temperature, TJ(MAX), the junction-to-ambient thermal resistance, θJA, and the ambient temperature, TA. See the Electrical Characteristics table for the thermal resistance. The maximum allowable power dissipation at any ambient temperature is calculated using: PD (MAX) = (TJ(MAX) − TA)/θJA. Exceeding the maximum allowable power dissipation will cause excessive die temperature, and the regulator will go into thermal shutdown. (5) The human body model is a 100 pF capacitor discharged through a 1.5k Ω resistor into each pin. The machine model is a 200pF capacitor discharged directly into each pin. Operating Conditions Operating Junction Temperature Range (1) −40°C to +105°C Storage Temperature −65°C to +150°C Supply Voltage 2.2V to 12V SW Voltage 17.5V (1) All limits ensured at room temperature (standard typeface) and at temperature extremes (bold typeface). All room temperature limits are 100% tested or specified through statistical analysis. All limits at temperature extremes are ensured via correlation using standard Statistical Quality Control (SQC) methods. All limits are used to calculate Average Outgoing Quality Level (AOQL). Electrical Characteristics Specifications in standard type face are for TJ = 25°C and those with boldface type apply over the full Operating Temperature Range (TJ = −40°C to +125°C) Unless otherwise specified. VIN =2.2V and IL = 0A, unless otherwise specified. Min Typ Max Symbol Parameter Conditions Units (1) (2) (1) IQ Quiescent Current FB = 2.2V (Not Switching) 1.2 2 mA FSLCT = 0V FB = 2.2V (Not Switching) 1.3 2 mA FSLCT = VIN VSHDN = 0V 5 20 µA VFB Feedback Voltage 1.2285 1.26 1.2915 V ICL (3) Switch Current Limit VIN = 2.7V (4) 2.55 3.6 4.3 A %VFB/ΔVIN Feedback Voltage Line 2.2V ≤ VIN ≤ 12.0V 0.02 0.07 %/V Regulation (1) All limits ensured at room temperature (standard typeface) and at temperature extremes (bold typeface). All room temperature limits are 100% tested or specified through statistical analysis. All limits at temperature extremes are ensured via correlation using standard Statistical Quality Control (SQC) methods. All limits are used to calculate Average Outgoing Quality Level (AOQL). (2) Typical numbers are at 25°C and represent the most likely norm. (3) Duty cycle affects current limit due to ramp generator. (4) Current limit at 0% duty cycle. See TYPICAL PERFORMANCE section for Switch Current Limit vs. VIN 4 Submit Documentation Feedback Copyright © 2012–2013, Texas Instruments Incorporated Product Folder Links: LM2700Q |
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