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TPS2065CDGN Datasheet(PDF) 4 Page - Texas Instruments |
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TPS2065CDGN Datasheet(HTML) 4 Page - Texas Instruments |
4 / 26 page TPS20xxC SLVSAU6A –JUNE 2011–REVISED JULY 2011 www.ti.com ELECTRICAL CHARACTERISTICS: –40°C ≤ T J ≤ 125°C Unless otherwise noted:4.5 V ≤ VIN ≤ 5.5 V, VEN = VIN or VEN = GND, IOUT = 0 A, typical values are at 5 V and 25°C. See the DEVICE INFORMATION table for the rated current of each part number. PARAMETER TEST CONDITIONS(1) MIN TYP MAX UNIT POWER SWITCH 0.5 A rated output DBV 97 154 mΩ DBV 96 154 1 A rated output mΩ RDS(ON) Input – output resistance DGN 86 140 1.5 A rated output DGN 69 112 mΩ 2 A rated output DGN 72 112 mΩ ENABLE INPUT (EN or EN) Threshold Input rising 1 1.45 2 V Hysteresis 0.07 0.13 0.20 V Leakage current (VEN or VEN) = 0 V or 5.5 V – 1 0 1 µ A VIN = 5 V, CL = 1 µF, RL = 100 Ω, EN ↑ or EN ↓. See Figure 2, Figure 4, and Figure 5 tON Turnon time ms 0.5A / 1A Rated 1 1.4 1.8 1.5A / 2A Rated 1.2 1.7 2.2 VIN = 5 V, CL = 1 µF, RL = 100 Ω, EN ↓ or EN ↑. See Figure 2, Figure 4, and Figure 5 tOFF Turnoff time ms 0.5A and 1A Rated 1.3 1.65 2 1.5A / 2A Rated 1.7 2.1 2.5 CL = 1 µF, RL = 100 Ω, VIN = 5 V. See Figure 3 tR Rise time, output 0.5A / 1A Rated 0.4 0.55 0.7 ms 1.5A / 2A Rated 0.5 0.7 1.0 CL = 1 µF, RL = 100 Ω, VIN = 5 V. See Figure 3 tF Fall time, output 0.5A / 1A Rated 0.25 0.35 0.45 ms 1.5A / 2A Rated 0.3 0.43 0.55 CURRENT LIMIT 0.5 A rated 0.65 0.85 1.05 output 1 A rated output 1.2 1.55 1.9 Current-limit, IOS(2) A See Figure 8 1.5 A rated 1.6 2.15 2.7 output 2 A rated output 2.3 2.9 3.6 VIN = 5 V (see Figure 7), One-half full load → RSHORT = 50 mΩ, tIOS Short-circuit response time(3) 2 µ s Measure from application to when current falls below 120% of final value SUPPLY CURRENT ISD Supply current, switch disabled 0.01 10 µ A ISE Supply current, switch enabled 65 90 µ A IREV Reverse leakage current VOUT = 5.5 V, VIN = 0 V, Measure IVOUT 0.2 20 µ A UNDERVOLTAGE LOCKOUT VUVLO Rising threshold VIN↑ 3.5 3.75 4 V Hysteresis(3) VIN↓ 0.14 V (1) Pulsed testing techniques maintain junction temperature approximately equal to ambient temperature (2) See CURRENT LIMIT section for explanation of this parameter. (3) These parameters are provided for reference only, and do not constitute part of TI's published device specifications for purposes of TI's product warranty. 4 Copyright © 2011, Texas Instruments Incorporated |
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