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LMR23625CQDDARQ1 データシート(PDF) 5 Page - Texas Instruments |
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LMR23625CQDDARQ1 データシート(HTML) 5 Page - Texas Instruments |
5 / 37 page 5 LMR23625-Q1 www.ti.com SNVSAR5 – DECEMBER 2016 Product Folder Links: LMR23625-Q1 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated (1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report, SPRA953. (2) Power rating at a specific ambient temperature TA should be determined with a maximum junction temperature (TJ) of 125 °C, which is illustrated in Recommended Operating Conditions section. 7.4 Thermal Information THERMAL METRIC (1) (2) DDA (8 PINS) DRR (12 PINS) UNIT RθJA Junction-to-ambient thermal resistance 42.0 41.5 °C/W ψJT Junction-to-top characterization parameter 5.9 0.3 ψJB Junction-to-board characterization parameter 23.4 16.5 RθJC(top) Junction-to-case (top) thermal resistance 45.8 39.1 RθJC(bot) Junction-to-case (bottom) thermal resistance 3.6 3.4 RθJB Junction-to-board thermal resistance 23.4 16.3 7.5 Electrical Characteristics Limits apply over the recommended operating junction temperature (TJ) range of -40 °C to +125 °C, unless otherwise stated. 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. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT POWER SUPPLY (VIN PIN) VIN Operation input voltage 4 36 V VIN_UVLO Under voltage lockout thresholds Rising threshold 3.3 3.7 3.9 V Falling threshold 2.9 3.3 3.5 ISHDN Shutdown supply current VEN = 0 V, VIN = 12 V, TJ = -40 °C to 125 °C 2.0 4.0 μA IQ Operating quiescent current (non- switching) VIN =12 V, VFB = 1.1 V, TJ = -40 °C to 125 °C, PFM mode 75 μA ENABLE (EN PIN) VEN_H Enable rising threshold Voltage 1.4 1.55 1.7 V VEN_HYS Enable hysteresis voltage 0.4 V VWAKE Wake-up threshold 0.4 V IEN Input leakage current at EN pin VIN = 4 V to 36 V, VEN= 2 V 10 100 nA VIN = 4 V to 36 V, VEN= 36 V 1 μA VOLTAGE REFERENCE (FB PIN) VREF Reference voltage VIN = 4 V to 36 V, TJ = 25 °C 0.985 1.0 1.015 V VIN = 4 V to 36 V, TJ = -40 °C to 125 °C 0.980 1.0 1.020 ILKG_FB Input leakage current at FB pin VFB= 1 V 10 nA POWER GOOD (PGOOD PIN) VPG_OV Power-good flag over voltage tripping threshold % of reference voltage 105 107 110 % VPG_UV Power-good flag under voltage tripping threshold % of reference voltage 92 94 96.5 % VPG_HYS Power-good flag recovery hysteresis 1.5 % VIN_PG_MIN Minimum VIN for valid PGOOD output 50 μA pull-up to PGOOD pin, VEN = 0 V, TJ = 25 °C 1.5 V VPG_LOW PGOOD low level output voltage 50 μA pull-up to PGOOD pin, VIN = 1.5 V, VEN = 0 V 0.4 V 0.5 mA pull-up to PGOOD pin, VIN =13.5 V, VEN = 0 V 0.4 INTERNAL LDO (VCC PIN) VCC Internal LDO output voltage 4.1 V VCC_UVLO VCC under voltage lockout thresholds Rising threshold 2.8 3.2 3.6 V Falling threshold 2.4 2.8 3.2 |
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同様の説明 - LMR23625CQDDARQ1 |
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