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LMZ23603 Datasheet(PDF) 5 Page - Texas Instruments |
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LMZ23603 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 34 page LMZ23603 www.ti.com SNVS711J – MARCH 2011 – REVISED AUGUST 2015 Electrical Characteristics (continued) Limits are for TJ = 25°C unless otherwise specified. 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 stated the following conditions apply: VIN = 12V, VOUT = 3.3V PARAMETER TEST CONDITIONS MIN(1) TYP(2) MAX(1) UNIT Synchronization logic zero over the junction temperature (TJ) VIL-sync Relative to AGND 0.4 V amplitude range of –40°C to +125°C Synchronization logic one Relative to over the junction temperature (TJ) VIH-sync 1.5 V amplitude AGND. range of –40°C to +125°C Synchronization duty Vsync DC 15% 50% 85% cycle range Dmax Maximum Duty Factor 83% REGULATION AND OVERVOLTAGE COMPARATOR VSS >+ 0.8 V 0.796 In-regulation feedback TJ = –40°C to VFB V over the junction temperature (TJ) voltage 125°C 0.776 0.816 range of –40°C to +125°C IO = 3 A Feedback overvoltage 0.86 VFB-OV V protection threshold Feedback input bias 5 IFB nA current Non-switchinginput 2.6 IQ VFB= 0.86 V mA current Shutdown quiescent 70 ISD VEN= 0 V μA current THERMAL CHARACTERISTICS TSD Thermal shutdown Rising 165 °C TSD-HYST Thermal shutdown Falling 15 °C hysteresis PERFORMANCE PARAMETERS(3) ΔVO Output voltage ripple Cout = 220 µF with 7-m Ω ESR + 100-µF X7R + 2 x 9 mVPP 0.047-µF BW at 20 MHz ΔVO/ΔVIN Line regulation VIN = 12 V to 36 V, IO= 0.001 A ±0.02% ΔVO/IOUT Load regulation VIN = 12 V, IO= 0.001 A to 3 A 1 mV/A η Full load efficiency VIN = 12 V VO = 3.3 V, IO = 3 A 85% VIN = 24 V VO = 3.3 V, IO = 3 A 78% η Peak efficiency VIN = 24 V VO = 3.3 V, IO = 2 A 80% VIN = 12 V VO = 3.3 V, IO = 1 A 86% (3) Refer to BOM in Table 1. Copyright © 2011–2015, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LMZ23603 |
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