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TPS54824RNVR Datasheet(PDF) 5 Page - Texas Instruments |
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TPS54824RNVR Datasheet(HTML) 5 Page - Texas Instruments |
5 / 38 page 5 TPS54824 www.ti.com SLVSDC9 – NOVEMBER 2016 Product Folder Links: TPS54824 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated 6.5 Electrical Characteristics TJ = -40°C to 150°C, VIN = 4.5 V to 17 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT INPUT VOLTAGE UVLO_rise VIN under-voltage lockout V(VIN) rising 4.1 4.3 V UVLO_fall V(VIN) falling 3.7 3.9 V UVLO_hys Hysteresis VIN voltage 0.2 V Ivin Operating non-switching supply current V(EN) = 5 V, V(FB) = 1.5 V 580 800 µA Ivin_sdn Shutdown supply current V(EN) = 0 V 3 11 µA ENABLE Ven_rise EN threshold V(EN) rising 1.20 1.26 V Ven_fall V(EN) falling 1.1 1.15 V Ven_hys EN pin threshold voltage hysteresis 50 mV Ip EN pin sourcing current V(EN) = 1.1V 1.2 µA Iph EN pin sourcing current V(EN) = 1.3V 4.8 µA Ih EN pin hysteresis current 3.6 µA FB VFB Regulated FB voltage TJ = 25°C 596 600 604 mV 595 600 605 mV ERROR AMPLIFIER gmea Error Amplifier Transconductance (gm) –2 µA < I(COMP) < 2 µA, V(COMP) = 1 V 1100 µA/V Error Amplifier DC gain 80 dB Icomp_src Error Amplifier source current V(FB) = 0 V 100 µA Icomp_snk Error Amplifier sink current V(FB) = 2 V -100 µA gmps Power Stage Transconductance 16 A/V SOFT-START Iss Soft-start current 5 µA V(SS/TRK) to V(FB) matching V(SS/TRK) = 0.4 V 25 mV MOSFET Rds(on)_h High-side switch resistance TA = 25°C, V(VIN) = 12 V 14.1 mΩ TA = 25°C, V(VIN) = 4.5 V, V(BOOT-SW) = 4.5 V 15.9 mΩ Rds(on)_l Low-side switch resistance TA = 25°C, V(VIN) = 12 V 6.1 mΩ TA = 25°C, V(VIN) = 4.5 V 6.9 mΩ BOOT UVLO Falling 2.2 2.6 V CURRENT LIMIT Ioc_HS_pk High-side peak current limit 10.8 12.9 15 A Ioc_LS_snk Low-side sinking current limit –3.4 A Ioc_LS_src Low-side sourcing current limit 9.3 11.4 13.6 A RT/CLK VIH Logic high input voltage 2 V VIL Logic low input voltage 0.8 V PGOOD Power good threshold V(FB) rising (fault) 108% V(FB) falling (good) 106% V(FB) rising (good) 91% V(FB) falling (fault) 89% Ipg_lkg Leakage current when pulled high V(PGOOD) = 5 V 5 nA Vpg_low PGOOD voltage when pulled low I(PGOOD) = 2 mA 0.3 V Minimum VIN for valid output V(PGOOD) < 0.5 V, I(PGOOD) = 4 mA 0.7 1 V Thermal protection TTRIP Thermal protection trip point Temperature Rising 170 °C THYST Thermal protection hysteresis 15 °C |
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