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TPS65530RSLT Fiches technique(PDF) 7 Page - Texas Instruments |
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TPS65530RSLT Fiches technique(HTML) 7 Page - Texas Instruments |
7 / 28 page TPS65530 www.ti.com....................................................................................................................................................... SLVS744C – OCTOBER 2007 – REVISED MAY 2008 ELECTRICAL CHARACTERISTICS (continued) 0 °C ≤ T J ≤ 125°C, 1.8 V ≤ VCC2 ≤ 5 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP(1) MAX UNIT Overcurrent protection threshold 1.4 1.65 A Overvoltage protection threshold 0.67 0.75 0.83 V (sensing at FB4 pin) High-side FET VPS = 5 V 130 310 ON resistance Buck m Ω side(4) Low-side FET VPS = 5 V 600 730 ON resistance High-side FET VPS = 5 V 170 270 ON resistance Boost m Ω side(4) Low-side FET VPS = 5 V 130 250 ON resistance VOUT4 leakage current VOUT4 = 0.5 V 1 µA Nch FET ON resistance for discharge XSLEEP = AGND, ENAFE = AGND 1 2 k Ω CH5 VCC5 Supply voltage 1.5 5.5 V VOUT5 Output voltage(5) VCC5 18 V VFB5 FB5 reference voltage No load 0.98 1 1.02 V VCC5 > 2.4 V, VOUT5 = 15 V, IOUT5 Output current(6) Feedback resistance: R1 = 40 k Ω, 50 mA R2 = 560 k Ω Overcurrent protection threshold 1.3 1.6 A Overvoltage protection threshold 1.09 1.25 1.38 V (sensing at FB5 pin) Nch FET ON resistance(7) VPS = 5 V 610 900 m Ω Load switch ON resistance 1.5 V < VCC5 < 5.5 V 100 470 m Ω (between VCC5 and SW5) Load switch ramp-up time 1.5 V < VCC5 < 5.5 V, 200 µS (between VCC5 and SW5) (6) SWOUT capacitance = 4.7 µF Load switch leakage current 1 µA (between VCC5 and SW5) Max duty cycle 96 98 % Trigger voltage to start up CH6 SEQ56 = AGND 0.8 V CH6 VCC6 Supply voltage 2.5 5.5 V VOUT6 Output voltage(6) –10 –5 V VCC6 > 2.8 V, VOUT6 = –7.5 V, IOUT6 Output current(6) Feedback resistance: R1 = 136 k Ω, 100 mA R2 = 820 k Ω VFB6 FB6 reference voltage No load –0.02 0 0.02 V Overcurrent protection threshold VCC6 > 2.8 V 1.1 1.35 A Overvoltage protection threshold –0.3 –0.2 –0.1 V (sensing at FB6 pin) Pch FET ON resistance(7) VCC6 = 3.6 V 640 1100 m Ω Max duty cycle 84 91 98 % Trigger voltage to power off CH6 SEQ56 = AGND 0.5 0.53 0.56 V VS/S56 S/S56 pin voltage 1.22 1.25 1.28 V IS/S56 S/S56 pin source current S/S56 = AGND 170 200 230 µA CH7 VCC7 Supply voltage(6) 1.5 5.5 V (6) Specified by design (7) The value of FET ON resistance includes the resistance of bonding wire. Copyright © 2007–2008, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Link(s): TPS65530 |
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