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TPS53219ARGTT Datasheet(PDF) 5 Page - Texas Instruments |
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TPS53219ARGTT Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 26 page  TPS53219A www.ti.com SLUSAU4 – DECEMBER 2011 ELECTRICAL CHARACTERISTICS over operating free-air temperature range, VDD = 12 V (Unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT LOGIC THRESHOLD AND SETTING CONDITIONS –40°C ≤ TA≤ 85°C 1.8 EN voltage threshold enable VEN 0 °C ≤ TA≤ 85°C 1.7 V EN voltage threshold disable 0.5 IEN EN input current VEN = 5 V 1.0 µA RRF = 0 Ω to GND, TA = 25°C (1) 200 250 300 RRF = 187 kΩ to GND, TA = 25°C (1) 250 300 350 RRF = 619 kΩ to GND, TA = 25°C (1) 350 400 450 RRF = Open, TA = 25°C (1) 450 500 550 fSW Switching frequency kHz RRF = 866 kΩ to VREG, TA = 25°C (1) 580 650 720 RRF = 309 kΩ to VREG, TA = 25°C (1) 670 750 820 RRF = 124 kΩ to VREG, TA = 25°C (1) 770 850 930 RRF = 0 Ω to VREG, TA = 25°C (1) 880 970 1070 VO DISCHARGE IDischg VO discharge current VEN = 0 V, VSW = 0.5 V 5 13 mA PROTECTION: CURRENT SENSE ITRIP TRIP source current VTRIP = 1 V, TA = 25°C 9 10 11 µA TCITRIP TRIP current temp. coef. TA = 25°C (2) 4700 ppm/ °C VTRIP Current limit threshold setting range VTRIP-GND voltage 0.2 3 V VTRIP = 3.0 V 355 375 395 VOCL Current limit threshold VTRIP = 1.6 V 185 200 215 mV VTRIP = 0.2 V 17 25 33 VTRIP = 3.0 V –406 –375 –355 VOCLN Negative current limit threshold VTRIP = 1.6 V –215 –200 –185 mV VTRIP = 0.2 V –33 –25 –17 Positive 3 15 VAZC(adj) Auto zero cross adjustable range mV Negative –15 –3 PROTECTION: UVP AND OVP VOVP OVP trip threshold voltage OVP detect 115% 120% 125% tOVP(del) OVP propagation delay time VFB delay with 50-mV overdrive 1 µs VUVP Output UVP trip threshold voltage UVP detect 65% 70% 75% tUVP(del) Output UVP propagation delay time 0.8 1 1.2 ms tUVP(en) Output UVP enable delay time from EN to UVP workable, RMODE = 39 kΩ 2.00 2.55 3.00 ms UVLO Wake up 4.00 4.18 4.50 VUVVREG VREG UVLO threshold V Hysteresis 0.25 THERMAL SHUTDOWN Shutdown temperature(2) 145 TSDN Thermal shutdown threshold °C Hysteresis(2) 10 (1) Not production tested. Test conditions are VIN = 12 V, VOUT = 1.1 V, IOUT =10 A and using the application circuit shown in Figure 17 and Figure 18. (2) Ensured by design. Not production tested Copyright © 2011, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s) :TPS53219A |
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