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TPS40020 Datasheet(PDF) 5 Page - Texas Instruments |
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TPS40020 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 32 page TPS40020 TPS40021 SLUS535C − MARCH 2003 − REVISED SEPTEMBER 2004 www.ti.com 5 ELECTRICAL CHARACTERISTICS (continued) TJ = −40°C to 85°C, TJ = TA, VDD = 5.0 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SHUTDOWN VSD Shutdown threshold voltage 0.22 0.26 0.29 V VEN Device enable threshold voltage 0.25 0.28 0.32 V OUTPUT DRIVER RHDHI High-side driver pull-up resistance V(BOOT1) − V(SW) = 3.3 V, ISOURCE = 100mA 1.0 2.5 5.0 RHDLO High-side driver pull-down resistance V(BOOT1) − V(SW) = 3.3 V, ISINK =100mA 0.8 1.5 3.0 Ω RLDHI Low-side driver pull-up resistance PVDD = 3.3 V, ISOURCE =100 mA 1.0 2.5 5.0 RLDLO Low-side driver pull-down resistance PVDD = 3.3 V, ISINK =100 mA 0.45 0.80 1.50 tLRISE Low-side driver rise time 15 35 tLFALL Low-side driver fall time CLOAD = 1 nF 10 25 ns tHRISE High-side driver rise time CLOAD = 1 nF 15 35 ns tHFALL High-side driver fall time 10 25 THERMAL SHUTDOWN TSD Shutdown temperature(1) 165 °C TSD Hysteresis(1) 15 °C CHARGE PUMP RVB2 RDS(on) VDD to BOOT2 VDD = 5.0 V, ISOURCE =10 mA 2.8 6.6 10.4 RB2P RDS(on) BOOT2 to PVDD VDD = 5.0 V, ISOURCE =10 mA 2.8 5.6 8.4 Ω RPB1 RDS(on) PVDD to BOOT1 VDD = 5.0 V, ISOURCE =10 mA 2.9 5.9 8.9 Ω POWER GOOD VPGD Pull-down voltage VOSNS = 0.8 V, IPWRGD =0.5 mA, VDD = 3.3 V 50 90 140 mV tONHPL Output sense high to power good low delay time 0.7 V ≤ VOSNS ≤ 0.8 V, IPWRGD =0.5 mA, VDD = 3.3 V 6 10 14 tONLPL Output sense low to power good low delay time 0.6 V ≤ VOSNS ≤ 0.7 V, IPWRGD =0.5 mA, VDD = 3.3 V 6 10 14 s tSDHPH Shutdown high to power good high delay time VOSNS = 0.7 V, IPWRGD =0.5 mA, VDD = 3.3 V, 0.0 V ≤ VSS/SD ≤ 0.4 V 2 4 6 µs tSDLPL Shutdown low to power good low delay time VOSNS = 0.7 V, IPWRGD =0.5 mA, VDD = 3.3 V, 0.0 V ≤ VSS/SD ≤ 0.4 V 0.5 1.5 3.0 tONHPH Output sense high to nominal to power good high delay time 0.7 V ≤ VOSNS ≤ 0.8 V, IPWRGD =0.5 mA, VDD = 3.3 V 140 500 1000 ns tONLPH Output sense low to nominal to power good high delay time 0.6 V ≤ VOSNS ≤ 0.7 V, IPWRGD =0.5 mA, VDD = 3.3 V 140 500 1000 ns TRANSIENT COMPARATORS VOV Overvoltage output threshold voltage 23 29 35 VOV Hysteresis Referenced to VFB 8 15 22 mV VUV Undervoltage output threshold voltage Referenced to VFB −37 −31 −25 mV VUV Hysteresis 8 15 22 VDIS OSNS minimum disable voltage Referenced to VDD 0.5 V (1) Ensured by design. Not production tested. |
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Descripción similar - TPS40020 |
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