 |
Moteur de recherche de fiches techniques de composants électroniques |
|
|
Moteur de recherche de fiches techniques de composants électroniques |
|
TPS54240DGQ Fiches technique(PDF) 7 Page - Texas Instruments |
|
|
||||||||||||||||||||||||||||||
TPS54240DGQ Fiches technique(HTML) 7 Page - Texas Instruments |
|
|
7 / 56 page  TPS54240 www.ti.com SLVSAA6B – APRIL 2010 – REVISED NOVEMBER 2014 Electrical Characteristics (continued) TJ = –40°C to 150°C, VIN = 3.5 to 42 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT CURRENT LIMIT Current limit threshold VIN = 12 V, TJ = 25°C 3.5 6.1 A THERMAL SHUTDOWN Thermal shutdown 182 °C TIMING RESISTOR AND EXTERNAL CLOCK (RT/CLK PIN) Switching Frequency Range using RT 100 2500 kHz mode fSW Switching frequency RT = 200 kΩ 450 581 720 kHz Switching Frequency Range using CLK 300 2200 kHz mode Minimum CLK input pulse width 40 ns RT/CLK high threshold 1.9 2.2 V RT/CLK low threshold 0.5 0.7 V RT/CLK falling edge to PH rising edge Measured at 500 kHz with RT resistor in series 60 ns delay PLL lock in time Measured at 500 kHz 100 μs SLOW-START AND TRACKING (SS/TR) Charge current VSS/TR = 0.4 V 2 μA SS/TR-to-VSENSE matching VSS/TR = 0.4 V 45 mV SS/TR-to-reference crossover 98% nominal 1.15 V SS/TR discharge current (overload) VSENSE = 0 V, V(SS/TR) = 0.4 V 382 μA SS/TR discharge voltage VSENSE = 0 V 54 mV POWERGOOD (PWRGD PIN) VSENSE falling 92% VSENSE rising 94% VVSEN VSENSE threshold SE VSENSE rising 109% VSENSE falling 107% Hysteresis VSENSE falling 2% Output high leakage VSENSE = VREF, V(PWRGD) = 5.5 V, 25°C 10 nA On resistance I(PWRGD) = 3 mA, VSENSE < 0.79 V 50 Ω Minimum VIN for defined output V(PWRGD) < 0.5 V, I(PWRGD) = 100 μA 0.95 1.5 V Copyright © 2010–2014, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: TPS54240 |
Numéro de pièce similaire - TPS54240DGQ |
|
Description similaire - TPS54240DGQ |
|
|
Lien URL |
| Politique de confidentialité |
| ALLDATASHEET.FR |
| ALLDATASHEET vous a-t-il été utile ? [ DONATE ] |
À propos de Alldatasheet | Publicité | Contactez-nous | Politique de confidentialité | Echange de liens | Fabricants All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
French ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
