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TPS72325DBVT Datasheet(PDF) 5 Page - Texas Instruments |
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TPS72325DBVT Datasheet(HTML) 5 Page - Texas Instruments |
5 / 25 page TPS72301, TPS72325 www.ti.com SLVS346C – SEPTEMBER 2003 – REVISED SEPTEMBER 2014 6.5 Electrical Characteristics Over operating junction temperature range, VI = VO(NOM) – 0.5 V, IO = 1 mA, VEN = 1.5 V, CO = 2.2 μF, and CNR = 0.01 μF, unless otherwise noted. Typical values are at TJ = 25°C. TPS723xx PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VI Input voltage range(1) –10 –2.7 V VFB Feedback reference voltage TPS72301 TJ = 25°C –1.210 –1.186 –1.162 V Output voltage range TPS72301 –10 + VDO VFB V Nominal TJ = 25°C –1% 1% TPS72325 vs VO –2% ±1% 2% Accuracy VI/IO/T –10 V ≤ VI ≤ VO – 0.5 V, 10 μA ≤ IO ≤ 200 mA TPS72301 vs –3% ±1 3% VI/IO/T ΔVO(ΔVI) Line regulation –10 V ≤ VI ≤ VO(NOM) – 0.5 V 0.04 %/V ΔVO(ΔIO) Load regulation 0 mA ≤ IO ≤ 200 mA 0.002 %/mA Dropout voltage at VDO TPS72325 IO = 200 mA 280 500 mV VO = 0.96 × VO(NOM) I(LIM) Current limit VO = 0.85 × VO(NOM) 300 550 800 mA IO = 0 mA (IQ), 130 200 –10 V ≤ VI ≤ VO – 0.5 V I(GND) Ground pin current μA IO = 200 mA, 350 500 –10 V ≤ VI ≤ VO – 0.5 V –0.4 V ≤ VEN ≤ 0.4 V, I(SHDN) Shutdown ground pin current 0.1 2.0 μA –10 V ≤ VI ≤ VO – 0.5 V I(FB) Feedback pin current –10 V ≤ VI ≤ VO – 0.5 V 0.05 1.0 μA IO = 200 mA, 1 kHz, 65 CI = CO = 10 μF PSRR Power-supply rejection ratio TPS72325 dB IO = 200 mA, 10 kHz, 48 CI = CO = 10 μF CO = 10 μF, 10 Hz to 100 kHz, Vn Output noise voltage TPS72325 60 μVRMS IO = 200 mA VO = –2.5 V, CO = 1 μF, tSTR Startup time 1 ms RL = 25 Ω VEN(HI) Enable threshold positive 1.5 V VEN(LO) Enable threshold negative –1.5 V VDIS(HI) Disable threshold positive 0.4 V VDIS(LO) Disable threshold negative –0.4 V –10 V ≤ VI ≤ VO – 0.5 V, I(EN) Enable pin current 0.1 2.0 μA –10 V ≤ VEN ≤ ±3.5 V Shutdown, temperature increasing 165 Tsd Thermal shutdown temperature °C Reset, temperature decreasing 145 TJ Operating junction temperature –40 125 °C (1) Maximum VI = (VO – VDO) or – 2.7 V, whichever is more negative. Copyright © 2003–2014, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: TPS72301 TPS72325 |
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