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TPS40021-EP Datasheet(PDF) 5 Page - Texas Instruments |
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TPS40021-EP Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 39 page  TPS40021-EP www.ti.com SLUSB58 – SEPTEMBER 2012 ELECTRICAL CHARACTERISTICS (continued) TJ = −55°C to 125°C, TJ = TA, VDD = 5.0 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SHUTDOWN VSD Shutdown threshold voltage 0.2 0.26 0.29 V Device enable threshold VEN 0.25 0.28 0.32 V voltage OUTPUT DRIVER High-side driver pull-up RHDHI V(BOOT1) − V(SW) = 3.3 V, ISOURCE = 100 mA 1 2.5 5 Ω resistance High-side driver pull-down RHDLO V(BOOT1) − V(SW) = 3.3 V, ISINK = 100 mA 0.7 1.5 3 Ω resistance Low-side driver pull-up RLDHI PVDD = 3.3 V, ISOURCE = 100 mA 1 2.5 5 Ω resistance Low-side driver pull-down RLDLO PVDD = 3.3 V, ISINK = 100 mA 0.41 0.80 1.50 Ω resistance tLRISE Low-side driver rise time 15 35 ns tLFALL Low-side driver fall time 10 25 ns CLOAD = 1 nF tHRISE High-side driver rise time 15 35 ns tHFALL High-side driver fall time 10 25 ns THERMAL SHUTDOWN Shutdown temperature(3) 165 TSD °C Hysteresis(3) 15 CHARGE PUMP RVB2 RDS(on) VDD to BOOT2 VDD = 5 V, ISOURCE = 10 mA 2.8 6.6 10.4 Ω RB2P RDS(on) BOOT2 to PVDD VDD = 5 V, ISOURCE = 10 mA 2.8 5.6 8.4 Ω RPB1 RDS(on) PVDD to BOOT1 VDD = 5 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 Output sense high to power 0.7 V ≤ VOSNS ≤ 0.8 V, IPWRGD = 0.5 mA, tONHPL 6 10 14 µs good low delay time VDD = 3.3 V Output sense low to power 0.6 V ≤ VOSNS ≤ 0.7 V, IPWRGD = 0.5 mA, tONLPL 6 10 14 µs good low delay time VDD = 3.3 V Shutdown high to power good VOSNS = 0.7 V, IPWRGD = 0.5 mA, VDD = 3.3 V, tSDHPH 2 4 6 µs high delay time 0 V ≤ VSS/SD ≤ 0.4 V Shutdown low to power good VOSNS = 0.7 V, IPWRGD = 0.5 mA, VDD = 3.3 V, tSDLPL 0.5 1.5 3 µs low delay time 0 V ≤ VSS/SD ≤ 0.4 V Output sense high to nominal 0.7 V ≤ VOSNS ≤ 0.8 V, IPWRGD = 0.5 mA, tONHPH 140 500 1000 ns to power good high delay time VDD = 3.3 V Output sense low to nominal 0.6 V ≤ VOSNS ≤ 0.7 V, IPWRGD = 0.5 mA, tONLPH 140 500 1000 ns to power good high delay time VDD = 3.3 V TRANSIENT COMPARATORS Overvoltage output threshold 23 29 35 voltage VOV Referenced to VFB mV Hysteresis 8 15 22 Undervoltage output threshold -37 -31 -25 voltage VUV Referenced to VFB mV Hysteresis 8 15 22 OSNS minimum disable VDIS Referenced to VDD 0.5 V voltage (3) Specified by design. Not production tested. Copyright © 2012, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: TPS40021-EP |
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