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LMZ14202EXT Datasheet(PDF) 5 Page - Texas Instruments |
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LMZ14202EXT Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 32 page  LMZ14202EXT www.ti.com SNVS665H – JUNE 2010 – REVISED OCTOBER 2015 Electrical Characteristics (continued) Limits in standard type are for TJ = 25°C, unless otherwise specified. Minimum and Maximum limits are ensured 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 stated the following conditions apply: VIN = 24 V, VOUT = 3.3 V. PARAMETER TEST CONDITIONS MIN(1) TYP(2) MAX(1) UNIT REGULATION AND OVERVOLTAGE COMPARATOR 0.795 VSS >+ 0.8 V TJ = –55°C to 125°C V over the junction temperature 0.775 0.815 IO = 2 A In-regulation feedback (TJ) range of –55°C to +125°C VFB voltage VSS >+ 0.8 V TJ = 25°C 0.786 0.802 0.818 V IO = 10 mA Feedback overvoltage VFB-OV 0.92 V protection threshold IFB Feedback input bias current 5 nA IQ Non-switching input current VFB = 0.86 V 1 mA ISD Shutdown quiescent current VEN = 0 V 25 μA THERMAL CHARACTERISTICS TSD Thermal shutdown Rising 165 °C TSD-HYST Thermal shutdown hysteresis Falling 15 °C PERFORMANCE PARAMETERS ΔVO Output voltage ripple 8 mVPP ΔVO/ΔVIN Line regulation VIN = 12 V to 42 V, IO = 2 A 0.01% ΔVO/IOUT Load regulation VIN = 24 V 1.5 mV/A VIN = 24 V, VO = 3.3 V, IO = 1 A 86% η Efficiency VIN = 24 V, VO = 3.3 V, IO = 2 A 85% 6.6 Switching Characteristics over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT ON/OFF TIMER tON-MIN ON timer minimum pulse width 150 ns tOFF OFF timer pulse width 260 ns Copyright © 2010–2015, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LMZ14202EXT |
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