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LM2696MXAX/NOPB Datasheet(PDF) 3 Page - Texas Instruments |
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LM2696MXAX/NOPB Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 28 page  LM2696 www.ti.com SNVS375B – OCTOBER 2005 – REVISED APRIL 2013 ABSOLUTE MAXIMUM RATINGS (1) (2) (3) Voltages from the indicated pins to GND AVIN −0.3V to +26V PVIN −0.3V to (AVIN+0.3V) CBOOT −0.3V to +33V CBOOT to SW −0.3V to +7V FB, SD, SS, PGOOD −0.3V to +7V Storage Temperature Range −65°C to +150°C Junction Temperature +150°C Lead Temperature (Soldering, 10 sec.) 260°C Minimum ESD Rating 1.5 kV (1) Absolute Maximum Ratings indicate limits beyond which damage may occur to the device. Operating Ratings indicate conditions for which the device is intended to be functional, but do not ensure specific performance limits. For ensured specifications, see Electrical Characteristics. (2) If Military/Aerospace specified devices are required, please contact the TI Sales Office/ Distributors for availability and specifications. (3) Without PCB copper enhancements. The maximum power dissipation must be derated at elevated temperatures and is limited by TJMAX (maximum junction temperature), θJ-A (junction to ambient thermal resistance) and TA (ambient temperature). The maximum power dissipation at any temperature is: PDissMAX = (TJMAX - TA) /θJ-A up to the value listed in the Absolute Maximum Ratings. θJ-A for HTSSOP- 16 package is 38.1°C/W, TJMAX = 125°C. OPERATING RANGE Junction Temperature −40°C to +125°C AVIN to GND 4.5V to 24V PVIN 4.5V to 24V ELECTRICAL CHARACTERISTICS Specifications with standard typeface are for TJ = 25°C, and those in boldface type apply over the full Operating Temperature Range (TJ = −40°C to +125°C). Minimum and Maximum limits are specified through test, design or statistical correlation. Typical values represent the most likely parametric norm at TJ = 25°C and are provided for reference purposes only. Unless otherwise specified VIN = 12V. Symbol Parameter Condition Min Typ Max Units VFB Feedback Pin Voltage VIN = 4.5V to 24V 1.225 1.254 1.282 V ISW = 0A to 3A ICL Switch Current Limit VCBOOT = VSW + 5V 3.6 4.9 6.4 A RDS_ON Switch On Resistance ISW = 3A 0.13 0.22 Ω IQ Operating Quiescent Current VFB = 1.5V 1.3 2 mA VUVLO AVIN Under Voltage Lockout Rising VIN 3.9 4.125 4.3 V VUVLO HYS AVIN Under Voltage Lockout Hysteresis 60 120 mV ISD Shutdown Quiescent Current VSD = 0V 12 25 µA kON Switch On-Time Constant ION = 50 µA to 100 µA 50 66 82 µA µs VD ON RON Voltage 0.35 0.65 0.95 V TOFF_MIN Minimum Off Time FB = 1.24V 165 250 ns FB = 0V 12 30 µs TON MIN Minimum On-time 400 ns VEXTV EXTVCC Voltage 3.30 3.65 4.00 V ΔVEXTV EXTVCC Load Regulation IEXTV = 0 µA to 50 µA 0.03 0.5 % VPWRGD PGOOD Threshold (PGOOD Transition With respect to VFB 91.5 93.5 95.5 % from Low to High) VPG_HYS PGOOD Hysteresis 1 2.1 % IOL PGOOD Low Sink Current VPGOOD = 0.4V 0.5 2 mA IOH PGOOD High Leakage Current 50 nA IFB Feedback Pin Bias Current VFB = 1.2V 0 nA ISS_SOURCE Soft-Start Pin Source Current VSS = 0V 0.7 1 1.4 µA Copyright © 2005–2013, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: LM2696 |
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