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TPS54122RHLT Datasheet(PDF) 9 Page - Texas Instruments |
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TPS54122RHLT Datasheet(HTML) 9 Page - Texas Instruments |
9 / 30 page 1.05 1.10 1.15 1.20 1.25 1.30 1.35 ±40 ±20 0 20 40 60 80 100 120 140 Temperature ( C) Enable pin low-level voltage (V) Enable pin high-level voltage (V) C006 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 ±40 ±20 0 20 40 60 80 100 120 140 Temperature ( C) V(en) =1.3 V(en) =1.13 C010 0 1 2 3 4 5 6 7 8 Time (200 ms/div) V(vin) Vdc-dc_out V(out) C015 V (EN) = V(VIN) V (LDOEN) = VDC-DC_OUT 480 485 490 495 500 505 510 515 520 -40 -20 0 20 40 60 80 100 120 140 Temperature ( SC) C009 0.0 0.5 1.0 1.5 2.0 2.5 3.0 Time (20 ms/div) V(en) (V) V(out) (V) C019 R LOAD = 1.8 -0.030 -0.020 -0.010 0.000 0.010 1 1.5 2 2.5 3 3.5 4 4.5 5 Time (20 µs/div) C021 V (OUT) Deviation I (OUT) = 1.5 A to 2.5 A to 1.5 A (1 A/µs) TPS54122 www.ti.com SBVS221A – NOVEMBER 2013 – REVISED NOVEMBER 2013 TYPICAL CHARACTERISTICS (continued) At V(VIN) = V(BIAS)= V(LDOEN)= 5 V, V(LDOIN) = DC-DC_OUT = 2.1 V, V(OUT) = 1.8 V, I(OUT) = 50 mA, V(EN) = floating, COUT = 100 μF, and CSS = CNR = 0.01 µF (see Figure 25), unless otherwise noted. Figure 13. LOAD TRANSIENT RESPONSE Figure 14. ENABLE PULSE RESPONSE Figure 15. POWER-UP AND POWER DOWN RESPONSE Figure 16. DC-DC SWITCHING FREQUENCY vs TEMPERATURE Figure 17. DC-DC EN UVLO THRESHOLD vs Figure 18. ENABLE PIN CURRENT vs TEMPERATURE TEMPERATURE Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: TPS54122 |
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