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TPS54611 Datasheet(PDF) 5 Page - Texas Instruments |
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TPS54611 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 28 page TPS54611, TPS54612, TPS54613 TPS54614, TPS54615, TPS54616 www.ti.com SLVS400D – AUGUST 2001 – REVISED JANUARY 2015 Dissipation Ratings (1)(2) (continued) TA = 25°C TA = 70 °C TA = 85 °C UNIT POWER RATING POWER RATING POWER RATING 28 Pin PWP without Solder 2.48 1.36 0.99 W 6.5 Electrical Characteristics TJ = –40°C to 125°C, VI = 3 V to 6 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY VOLTAGE, VIN VIN Input voltage range 3.0 6.0 V fs = 350 kHz, FSEL ≤ 0.8 V, RT open, phase pin open 6.2 9.6 I(Q) Quiescent current fs = 550 kHz, FSEL ≤ 2.5 V, RT open, phase pin open 8.4 12.8 mA Shutdown, SS/ENA = 0 V 1 1.4 UNDERVOLTAGE LOCK OUT Start threshold voltage 2.95 3.0 V Stop threshold voltage 2.70 2.80 V UVLO Hysteresis voltage 0.14 0.16 V Rising and falling edge deglitch(1) 2.5 µs BIAS VOLTAGE Output voltage I(VBIAS) = 0 2.70 2.80 2.90 V VBIAS Output current(2) 100 µA OUTPUT VOLTAGE TJ = 25°C, VIN = 5 V 0.9 TPS54611 V 3 V ≤ VIN ≤ 6 V, 0 ≤ IL ≤ 6 A, −40°C ≤ TJ ≤ 125°C –2.0% 2.0% TJ = 25°C, VIN = 5 V 1.2 TPS54612 V 3 V ≤ VIN ≤ 6 V, 0 ≤ IL ≤ 6 A, −40°C ≤ TJ ≤ 125°C –2.0% 2.0% TJ = 25°C, VIN = 5 V 1.5 TPS54613 V 3 V ≤ VIN ≤ 6 V, 0 ≤ IL ≤ 6 A, −40°C ≤ TJ ≤ 125°C –2.0% 2.0% VO Output voltage TJ = 25°C, VIN = 5 V 1.8 TPS54614 V 3 V ≤ VIN ≤ 6 V, 0 ≤ IL ≤ 6 A, −40°C ≤ TJ ≤ 125°C –3.0% 3.0% TJ = 25°C, VIN = 5 V 2.5 TPS54615 V 3 V ≤ VIN ≤ 6 V, 0 ≤ IL ≤ 6 A, −40° ≤ TJ ≤ 125°C –3.0% 3.0% TJ = 25°C, VIN = 5 V 3.3 TPS54616 V 4 V ≤ VIN ≤ 6 V, 0 ≤ IL ≤ 6 A, −40° ≤ TJ ≤ 125°C −3.0% 3.0% REGULATION Line regulation(1)(3) IL = 3 A, 350 ≤ fs ≤ 550 kHz, TJ = 85°C 0.088 %/V Load regulation(1)(3) IL = 0 A to 6 A, 350 ≤ fs ≤ 550 kHz, TJ = 85°C 0.0917 %/A OSCILLATOR FSEL ≤ 0.8 V, RT open 280 350 420 Internally set – free running kHz frequency FSEL ≥ 2.5 V, RT open 440 550 660 RT = 180 k Ω (1% resistor to AGND)(1) 252 280 308 Externally set – free running RT = 100 k Ω (1% resistor to AGND) 460 500 540 kHz frequency range RT = 68 k Ω (1% resistor to AGND)(1) 663 700 762 High level threshold 2.5 V FSEL Low level threshold 0.8 V Ramp valley(1) 0.75 V Ramp amplitude (peak-to-peak)(1) 1 V (1) Specified by design (2) Static resistive loads only (3) Tested using circuit in Figure 10. Copyright © 2001–2015, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: TPS54611 TPS54612 TPS54613 TPS54614 TPS54615 TPS54616 |
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