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LM5175PWPT Datasheet(PDF) 8 Page - Texas Instruments |
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LM5175PWPT Datasheet(HTML) 8 Page - Texas Instruments |
8 / 38 page 8 LM5175 SNVSA37A – OCTOBER 2015 – REVISED MAY 2016 www.ti.com Product Folder Links: LM5175 Submit Documentation Feedback Copyright © 2015–2016, Texas Instruments Incorporated Electrical Characteristics (continued) Typical values correspond to TJ = 25°C. Minimum and maximum limits apply over the –40°C to 125°C junction temperature range unless otherwise stated. VIN = 24 V unless otherwise stated. (1) PARAMETER TEST CONDITION MIN TYP MAX UNIT PGOOD VPGD PGOOD trip threshold for falling FB Measured with respect to VREF –9 % PGOOD trip threshold for rising FB Measured with respect to VREF 10 % Hysteresis 1.6 % ILEAK(PGD) PGOOD leakage current 100 nA ISINK(PGD) PGOOD sink current VPGOOD = 0.4 V 2 4.2 6.5 mA OUTPUT OVP VOVP Output overvoltage threshold At the FB pin 0.86 V Hysteresis 21 mV NMOS DRIVERS IHDRV1,2 Driver peak source current VBOOT - VSW = 7 V 1.8 A Driver peak sink current VBOOT - VSW = 7 V 2.2 ILDRV1,2 Driver peak source current 1.8 Driver peak sink current 2.2 RHDRV1,2 Driver pull up resistance VBOOT - VSW = 7 V 1.9 Ω Driver pull down resistance VBOOT - VSW = 7 V 1.3 VUV(BOOT1,2) BOOT1,2 to SW1,2 UVLO threshold HDRV1,2 shut off 2.73 V BOOT1,2 to SW1,2 UVLO hysteresis HDRV1,2 start switching 280 mV BOOT1,2 to SW1,2 threshold for refresh pulse 4.45 V RLDRV1,2 Driver pull up resistance IDRV1,2 = 0.1 A 2 Ω Driver pull down resistance IDRV1,2 = 0.1 A 1.5 tDT1 Dead time HDRV1,2 off to LDRV1,2 on 55 ns tDT2 Dead time LDRV1,2 off to HDRV1,2 on 55 THERMAL SHUTDOWN TSD Thermal shutdown temperature 165 °C TSD(HYS) Thermal shutdown hysteresis 15 |
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