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TPS54616PWPRG4 Datasheet(PDF) 4 Page - Texas Instruments |
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TPS54616PWPRG4 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 24 page TPS54611, TPS54612 TPS54613, TPS54614 TPS54615, TPS54616 SLVS400C − AUGUST 2001 − REVISED APRIL 2005 www.ti.com 4 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 Input voltage range, VIN 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 I(Q) Quiescent current Shutdown, SS/ENA = 0 V 1 1.4 mA UNDER VOLTAGE LOCK OUT Start threshold voltage, UVLO 2.95 3.0 V Stop threshold voltage, UVLO 2.70 2.80 V Hysteresis voltage, UVLO 0.14 0.16 V Rising and falling edge deglitch, UVLO(1) 2.5 µs BIAS VOLTAGE Output voltage, VBIAS I(VBIAS) = 0 2.70 2.80 2.90 V Output current, VBIAS(2) 100 µA OUTPUT VOLTAGE TPS54611 TJ = 25°C, VIN = 5 V 0.9 V TPS54611 3 V ≤ VIN ≤ 6 V, 0 ≤ IL ≤ 6 A, −40° ≤ TJ ≤ 125°C −2.0% 2.0% TPS54612 TJ = 25°C, VIN = 5 V 1.2 V TPS54612 3 V ≤ VIN ≤ 6 V, 0 ≤ IL ≤ 6 A, −40° ≤ TJ ≤ 125°C −2.0% 2.0% TPS54613 TJ = 25°C, VIN = 5 V 1.5 V V O t t lta TPS54613 3 V ≤ VIN ≤ 6 V, 0 ≤ IL ≤ 6 A, −40° ≤ TJ ≤ 125°C −2.0% 2.0% VO Output voltage TPS54614 TJ = 25°C, VIN = 5 V 1.8 V TPS54614 3 V ≤ VIN ≤ 6 V, 0 ≤ IL ≤ 6 A, −40° ≤ TJ ≤ 125°C −3.0% 3.0% TPS54615 TJ = 25°C, VIN = 5 V 2.5 V TPS54615 3 V ≤ VIN ≤ 6 V, 0 ≤ IL ≤ 6 A, −40° ≤ TJ ≤ 125°C −3.0% 3.0% TPS54616 TJ = 25°C, VIN = 5 V 3.3 V TPS54616 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 Internally set free running frequency FSEL ≤ 0.8 V, RT open 280 350 420 kHz Internally set—free running frequency FSEL ≥ 2.5 V, RT open 440 550 660 kHz Et ll t f i RT = 180 kΩ (1% resistor to AGND)(1) 252 280 308 Externally set—free running frequency range RT = 100 kΩ (1% resistor to AGND) 460 500 540 kHz frequency range RT = 68 kΩ (1% resistor to AGND)(1) 663 700 762 kHz High level threshold, FSEL 2.5 V Low level threshold, FSEL 0.8 V Ramp valley(1) 0.75 V Ramp amplitude (peak-to-peak)(1) 1 V Minimum controllable on time(1) 200 ns Maximum duty cycle(1) 90% (1)Specified by design (2)Static resistive loads only (3)Tested using circuit in Figure 10. |
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