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TPS72301DBVR Datasheet(PDF) 3 Page - Texas Instruments |
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TPS72301DBVR Datasheet(HTML) 3 Page - Texas Instruments |
3 / 10 page TPS72301 TPS72325 SLVS346−SEPTEMBER2003 www.ti.com 3 ELECTRICAL CHARACTERISTICS over operating junction temperature range, VIN = VOUT(nom) − 0.5 V, IOUT = 1 mA, V(EN) = 1.5 V, COUT = 2.2 µF, C(NR) = 0.01 µF (unless otherwise noted). Typical values are at 25 °C PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIN Input voltage range(1) −10 −2.7 V V(FB) Feedback reference voltage TPS72301 TJ = 25°C −1.210 −1.186 −1.162 V Output voltage range TPS72301 −10 + VDO V(FB) V Nominal TJ = 25°C −1% 1% VOUT Accuracy TPS72325 vs VIN/IOUT/T −10 V < VIN < VOUT − 0.5 V, 10 µA < −2% ±1% 2% Accuracy TPS72301 vs VIN/IOUT/T −10 V < VIN < VOUT − 0.5 V, 10 µA < IOUT < 200 mA −3% ±1% 3% VOUT%/VIN Line regulation −10 V < VIN < VOUT(nom) − 0.5 V 0.04 %/V VOUT%/IOUT Load regulation 0 mA < IO < 200 mA 0.002 %/mA VDO Dropout voltage at VOUT = 0.96 x VOUT(nom) TPS72325 IOUT = 200 mA 280 500 mV I(CL) Current limit VOUT = 0.85 x VOUT(nom) 300 550 800 mA I(GND) Ground pin current IOUT = 0 mA, (IQ) −10 V < VIN < VOUT − 0.5 V 130 200 A I(GND) Ground pin current IOUT = 200 mA, −10 V < VIN < VOUT − 0.5 V 350 500 µA I(SHDN) Shutdown ground pin current −0.4 V < V(EN) < 0.4 V, −10 V < VIN < VOUT − 0.5 V 0.1 2.0 µA I(FB) Feedback pin current , −10 V < VIN < VOUT − 0.5 V 0.05 1.0 µA PSRR Power supply rejection TPS72325 IOUT = 200 mA, 1 kHz, CIN = COUT = 10 µF 65 dB PSRR Power supply rejection ratio TPS72325 IOUT = 200 mA, 10 kHz, CIN = COUT = 10 µF 48 dB Vn Output noise voltage TPS72325 COUT = 10 µF, 10 Hz = 100 kHz, IOUT = 200 mA 60 µVrms t(STR) Startup time VOUT = −2.5 V, COUT = 1 µF, RL = 25 Ω 1 ms 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 I(EN) Enable pin current −10 V ≤ VIN ≤ V − 0.5 V, −10 V ≤ V(EN) ≤ ±3.5 V 0.1 2.0 µA Thermal shutdown temperature Shutdown, temperature increasing 165 °C Thermal shutdown temperature Reset, temperature decreasing 145 °C TJ Operating junction temperature −40 125 °C (1) Maximum VIN = VOUT + VDO or − 2.7 V, whichever is more negative. |
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