Motor de Búsqueda de Datasheet de Componentes Electrónicos |
|
TPS54040QDRCRQ1 Datasheet(PDF) 4 Page - Texas Instruments |
|
TPS54040QDRCRQ1 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 53 page TPS54040-Q1 SLVSA26D – JANUARY 2010 – REVISED AUGUST 2012 www.ti.com 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 0.6 0.94 A THERMAL SHUTDOWN Thermal shutdown 182 °C TIMING RESISTOR AND EXTERNAL CLOCK (RT/CLK PIN) Switching frequency using RT mode VIN = 12 V 100 2500 kHz fSW Switching frequency VIN = 12 V, RT = 200 kΩ 450 581 720 kHz Switching frequency using CLK mode VIN = 12 V 300 2200 kHz Minimum CLK input pulse width 40 ns RT/CLK high threshold VIN = 12 V 1.9 2.2 V RT/CLK low threshold VIN = 12 V 0.45 0.7 V RT/CLK falling edge to PH rising Measured at 500 kHz with RT resistor in series 60 ns edge 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 V SS/TR discharge current (overload) VSENSE = 0 V, V(SS/TR) = 0.4 V 112 μA SS/TR discharge voltage VSENSE = 0 V 54 mV POWER-GOOD (PWRGD PIN) VSENSE falling (fault) 92 VSENSE rising (good) 94 VVSENSE VSENSE threshold VSENSE rising (fault) 109 % VSENSE falling (good) 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, II(PWRGD) = 100 μA 0.95 1.5 V 4 Submit Documentation Feedback Copyright © 2010–2012, Texas Instruments Incorporated Product Folder Links: TPS54040-Q1 |
Número de pieza similar - TPS54040QDRCRQ1 |
|
Descripción similar - TPS54040QDRCRQ1 |
|
|
Enlace URL |
Política de Privacidad |
ALLDATASHEET.ES |
¿ALLDATASHEET es útil para Ud.? [ DONATE ] |
Todo acerca de Alldatasheet | Publicidad | Contáctenos | Política de Privacidad | Intercambio de Enlaces | Lista de Fabricantes 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 |