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TPS7A8801RTJT Datasheet(PDF) 5 Page - Texas Instruments |
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TPS7A8801RTJT Datasheet(HTML) 5 Page - Texas Instruments |
5 / 33 page TPS7A88 www.ti.com SBVS248A – NOVEMBER 2015 – REVISED NOVEMBER 2015 6.5 Electrical Characteristics over operating temperature range (TJ = –40°C to +125°C), VINx = 1.4 V, VOUTx(TARGET) = 0.8 V, IOUTx = 50 mA, VENx = 1.4 V, COUTx = 10 μF, CNR/SSx = 0 nF, CFFx = 0 nF, SS_CTRLx = GND, PGx pin pulled up to VINx with 100 kΩ, and for each channel (unless otherwise noted); typical values are at TJ = 25°C PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VINx (1) Input supply voltage range 1.4 6.5 V VREF Reference voltage 0.8 V VUVLO Input supply UVLO VINx rising 1.31 1.39 V VHYS VUVLO 290 mV Output voltage range 0.8 – 1.0% 5.0 + 1.0% V VOUTx Output voltage accuracy(2)(3) 0.8 V ≤ VOUTx ≤ 5 V, 5 mA ≤ IOUTx ≤ 1 A –1.0% 1.0% ΔVOUTx(ΔVINx) Line regulation IOUTx= 5 mA, 1.4 V ≤ VINx ≤ 6.5 V 0.003 %/V ΔVOUTx(ΔIOUTx) Load regulation 5 mA ≤ IOUTx ≤ 1 A 0.03 %/A VINx ≥ 1.4 V, 0.8 V ≤ VOUTx ≤ 5.0 V, VDO Dropout voltage 200 mV IOUTx = 1 A, VFBx = 0.8 V – 3% VOUTx forced at 0.9 × VOUTx(TARGET), ILIM Output current limit 1.5 1.7 1.9 A VINx = VOUTx(TARGET) + 300 mV Both channels enabled, per channel, 2.1 3.5 VINx = 6.5 V, IOUTx = 5 mA IGND GND pin current mA Both channels enabled, per channel, 4 VINx = 1.4 V, IOUTx = 1 A Both channels shutdown, per channel, PGx = (open), ISDN Shutdown GND pin current 0.1 15 μA VINx = 6.5 V, VENx = 0.5 V IENx ENx pin current VINx = 6.5 V, 0 V ≤ VENx ≤ 6.5 V –0.2 0.2 μA ENx pin low-level input voltage VIL(ENx) 0 0.4 V (device disabled) ENx pin high-level input voltage VIH(ENx) 1.1 6.5 V (device enabled) ISS_CTRLx SS_CTRLx pin current VINx = 6.5 V, 0 V ≤ VSS_CTRLx ≤ 6.5 V –0.2 0.2 μA For PGx transitioning low with falling VOUTx, VIT(PGx) PGx pin threshold 82% 88.9% 93% expressed as a percentage of VOUTx(TARGET) For PGx transitioning high with rising VOUTx, Vhys(PGx) PGx pin hysteresis 1% expressed as a percentage of VOUTx(TARGET) VOL(PGx) PGx pin low-level output voltage VOUTx < VIT(PGx), IPGx = –1 mA (current into device) 0.4 V Ilkg(PGx) PGx pin leakage current VOUTx > VIT(PGx), VPGx = 6.5 V 1 µA VNR/SSx = GND, 1.4 V ≤ VINx ≤ 6.5 V, 4.0 6.2 9.0 VSS_CTRLx = GND INR/SSx NR/SSx pin charging current µA VNR/SSx = GND, 1.4 V ≤ VINx ≤ 6.5 V, VSS_CTRLx = VINx 65 100 150 IFBx FBx pin leakage current VINx = 6.5 V, VFBx = 0.8 V –100 100 nA f = 500 kHz, VINx = 3.8 V, VOUTx = 3.3 V, PSRR Power-supply ripple rejection 40 dB IOUTx = 750 mA, CNR/SSx = 10 nF, CFFx = 10 nF BW = 10 Hz to 100 kHz, VINx = 1.8 V, VOUTx = 0.8 V, Vn Output noise voltage 3.8 μVRMS IOUTx = 1.0 A, CNR/SSx = 1 µF, CFFx = 100 nF f = 10 kHz, VINx = 1.8 V, VOUTx = 0.8 V, Noise spectral density 11 nV/ √Hz IOUTx = 1.0 A, CNR/SSx = 10 nF, CFFx = 10 nF Output active discharge Rdiss VENx = GND 250 Ω resistance Shutdown, temperature increasing 160 Tsd Thermal shutdown temperature °C Reset, temperature decreasing 140 (1) Lowercase x indicates that the specification under consideration applies to both channel 1 and channel 2, one channel at a time. (2) When the device is connected to external feedback resistors at the FBx pin, external resistor tolerances are not included. (3) The device is not tested under conditions where VINx > VOUTx + 2.5 V and IOUTx = 1 A because the power dissipation is higher than the maximum rating of the package. Also, this accuracy specification does not apply on any application condition that exceeds the power dissipation limit of the package under test. Copyright © 2015, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: TPS7A88 |
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