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TPS24751RUVR Datasheet(PDF) 7 Page - Texas Instruments |
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TPS24751RUVR Datasheet(HTML) 7 Page - Texas Instruments |
7 / 46 page TPS24750, TPS24751 www.ti.com SLVSC87A – OCTOBER 2013 – REVISED SEPTEMBER 2015 Electrical Characteristics (continued) –40°C ≤ TJ ≤ 125°C, VCC = 12 V, VEN = 3 V, RSET = 191 Ω, RIMON = 5 kΩ, and RPROG = 50 kΩ to GND. All voltages referenced to GND, unless otherwise noted. PARAMETER CONDITIONS MIN NOM MAX UNIT Lower threshold voltage 0.33 0.35 0.37 V Timer activation voltage Raise GATE until ITIMER sinking, measure V(GATE – VCC), VVCC = 12 V 5 5.8 7 V Retry Duty Cycle During Over Current and Short Circuit Conditions (TPS24751 only) 4% IMON Circuit breaker threshold 650 675 696 mV At TJ = 25°C -1 0 1 mV Input referred offset of servo amplifier TJ from -40°C to 125°C -1.5 0 1.5 mV SET Input referred offset of servo Measure SET to SENSE –1.5 0 1.5 mV amplifier GATE Output voltage VOUT = 12 V 23.5 25.7 28 V Clamp voltage Inject 10 µA into GATE, measure V(GATE – VCC) 12 13.9 15.5 V Sourcing current VGATE = 12 V 20 30 40 µA Fast turnoff, VGATE = 14 V 0.4 1 1.4 A Sinking current Sustained, VGATE = 4 V to 23 V 6 11 20 mA In inrush current limit, VGATE = 4 V to 23 V 20 30 40 µA Pulldown resistance Thermal shutdown or VEN = 0 V 14 20 26 k Ω Fast turnoff duration 8 13 18 µs Turn on delay VVCC rising to GATE sourcing, tprr50-50, See Figure 29 100 375 µs SENSE Input bias current VSENSE = 12 V, sinking current 30 40 µA Current limit threshold VOUT = 12 V 22.5 25 27.5 mV VDRAIN-OUT = 8 V, RPROG = 100 kΩ 4 VDRAIN-OUT = 8 V, RPROG = 50 kΩ 6.6 8 9.6 Power limit threshold mV VDRAIN-OUT = 5.37 V, RPROG = 50 kΩ 10 12 14 VDRAIN-OUT = 10.3 V, RPROG = 25 kΩ 10 12.5 15 Fast-trip threshold 52 60 68 mV Fast-turnoff delay(1) V(VCC – SENSE) = 80 mV, CGATE = 0 pF, tprf50–50, See Figure 30 200 ns OTSD Threshold, rising Temperature referenced to PAD1 of the device. See(2) 130 140 °C Hysteresis(1) 10 °C (2) The temperature difference between PAD1 and PAD2 must be minimized. See the SOA curve Figure 27 and DESIGN EXAMPLE for temperature limited design. Copyright © 2013–2015, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: TPS24750 TPS24751 |
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