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UCC3941-5 Datasheet(PDF) 5 Page - Texas Instruments |
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UCC3941-5 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 20 page UCC2941-3, UCC2941-5, UCC2941-ADJ, UCC3941-3, UCC3941-5, UCC3941-ADJ 1V SYNCHRONOUS BOOST CONVERTER SLUS242B – JANUARY 1999 – REVISED JUNE 2001 5 www.ti.com electrical characteristics over recommended operating junction temperature range, for UCC3941, TA = 0_C to 70_C, for UCC2941, TA = –40_C to 85_C, VIN = 1.25 V, TA = TJ (unless otherwise noted) input voltage PARAMETER TEST CONDITIONS MIN TYP MAX UNIT TJ = 25_C, No external VGD load, IOUT = 100 mA, See Note 1 0.8 1.0 V Minumum startup voltage TJ = 0_C to 85_C, No external VGD load, IOUT = 100 mA, See Note 1 0.9 1.1 V TJ = –40_C to 0_C, No external VGD load, IOUT = 100 mA, See Note 1 0.9 1.5 V Minumum dropout voltage IOUT = 0 mA, No external VGD load, VGD = 6.3 V 0.5 V Input voltage range 1 VOUT + 0.5 V Quiescent supply current See note 2 13 25 µA Shutdown supply current SD = open 8 20 µA output voltage PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Quiescent supply current See note 2 32 80 µA Shutdown supply current SD = open 6 15 µA 1 V < VIN < 3 V 3.18 3.25 3.37 V Regulation voltage UCC3941–3 1 V < VIN < 3 V, 0 mA < IOUT < 150 mA, See Note 1 3.17 3.30 3.43 V Regulation voltage 1 V < VIN < 5 V 4.85 5.00 5.15 V UCC3941–5 1 V < VIN < 5 V, 0 mA < IOUT < 100 mA, See Note 1 4.8 5.0 5.2 V Feedback voltage UCC3941–ADJ 1 V < VIN < 3 V 1.212 1.250 1.288 V VGD output PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Quiescent supply current See note 2 25 60 µA Shutdown supply current SD = open 8 20 µA 1 V < VIN < 3 V 7.5 8.7 9.2 V Regulation voltage 1 V < VIN < 3 V, 0 mA < IOUT < 10 mA, See Note 1 7.4 87 9.3 V NOTE 1: Performance from application circuit shown in Figures 3, 4, and 5. Ensured by design. Not 100% production tested. NOTE 2: For the UCC3941–3, VOUT = 3.47 V and VGD = 9.3 V. For the UCC3941–5, VOUT = 5.25 V, VGD = 9.3 V. For the UCC3941–ADJ, FB = 1.315 V, VGD = 9.3 V. |
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