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TPS2342PFP Datasheet(PDF) 8 Page - Texas Instruments |
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TPS2342PFP Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 52 page  TPS2342 SLUS572F − OCTOBER, 2003 − REVISED JANUARY 2007 8 www.ti.com ELECTRICAL CHARACTERISTICS, P12VIN = 12 V, DIGVCC = 3.3 V, M12VIN = −12 V, 3VAUXI = 3.3 V, V5IN = 5 V, RMISET = 6.04 kΩ, all outputs unloaded, TA = −40 _C to 85 _C, (unless otherwise noted) (1)(2)(3) 5-V/3.3-V Main Supply PARAMETER TEST CONDITIONS MIN TYP MAX UNIT 5VS−5VIS overcurrent threshold (5 V) 43 53 63 mV 5VIS voltage fault threshold After P12VG and 5V3VG good 4.25 4.5 4.65 V 5VS input bias current PWREN = high −100 100 A 5VIS input bias current PWREN = high 100 250 400 µA 5VIS bleed current PWREN = low 8 60 mA 3VS−3VIS overcurrent threshold (3.3 V) 53 63 72 mV 3VIS voltage fault threshold After P12VG and 5V3VG good 2.5 2.7 2.9 V 3VS input bias current PWREN = high −100 100 A 3VIS input bias current PWREN = high 100 250 400 µA 3VIS bleed current PWREN = low 8 40 mA 5V3VG charge current PWREN = high, 5V3VG = 5 V −70 −100 −130 µA 5V3VG discharge resistance 0.1 V < V5V3VG < 0.5 V 1.5 4 15 Ω 5V3VG good threshold 11 11.5 12 V V5IN supply current 2 6 mA V5IN start threshold voltage 4.2 4.4 4.6 V V5IN stop threshold voltage 3.7 4.1 4.4 V DIGVCC supply current 1.2 3 mA DIGVCC start threshold voltage 2.60 2.80 2.95 DIGVCC stop threshold voltage 2.40 2.55 2.80 V 5VIS low comparator threshold PWREN = low 0.075 0.100 0.150 V 3VIS low comparator threshold PWREN = low 0.075 0.100 0.150 Noise Filter PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Output undervoltage sensitivity threshold 12 V, 5 V, 3.3 V 50 200 ns Output undervoltage sensitivity threshold VIO 80 250 ns Output voltage fault captured pulse 12 V, 5 V, 3.3 V 200 ns Output voltage fault captured pulse VIO 250 ns Output undervoltage fault response time, from output falling to FAULT asserting 12 V, 5 V, 3.3 V, Vio 480 ns Overcurrent sensitivity threshold 12 V, 5 V, 3.3 V, Vio 1.5 5.5 Overcurrent sensitivity threshold −12 V 2 10 Overcurrent fault captured pulse 12 V, 5 V, 3.3 V, Vio 5 s Overcurrent fault captured pulse −12 V 10 µs Overcurrent fault response time, from overcur- 12 V, 5 V, 3.3 V, Vio 2.0 6.5 Overcurrent fault response time, from overcur- rent to FAULT asserting −12 V 2.5 12 NOTES: (1). All voltages are with respect to DIGGND unless otherwise stated. (2) Currents are positive into and negative out of the specified terminal. (3) When references to lines of individual slots are given without the slot identifier, the statement applies to lines on each slot. |
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