Moteur de recherche de fiches techniques de composants électroniques |
|
TPS51123RGER Fiches technique(PDF) 4 Page - Texas Instruments |
|
|
TPS51123RGER Fiches technique(HTML) 4 Page - Texas Instruments |
4 / 33 page TPS51123 SLUS890 – DECEMBER 2008 ........................................................................................................................................................................................... www.ti.com ELECTRICAL CHARACTERISTICS (continued) over operating free-air temperature range, VIN = 12 V (unless otherwise noted) PARAMETER CONDITIONS MIN TYP MAX UNIT OUTPUT DRIVERS Source, VBSTx - DRVHx = 100 mV 4 8 RDRVH DRVH resistance Sink, VDRVHx - LLx = 100 mV 1.5 4 Ω Source, VVREG5 - DRVLx = 100 mV 4 8 RDRVL DRVL resistance Sink, VDRVLx = 100 mV 1.5 4 DRVHx-off to DRVLx-on 10 TD Dead time ns DRVLx-off to DRVHx-on 30 INTERNAL BST DIODE VFBST Forward voltage VVREG5-VBSTx, IF = 10 mA, TA = 25 °C 0.7 0.8 0.9 V IVBSTLK VBST leakage current VBSTx = 34 V, LLx = 28 V, TA = 25 °C 0.1 1 µA DUTY AND FREQUENCY CONTROL TON11 CH1 on time 1 VIN = 12 V, VO1 = 5 V, 200 kHz setting 2080 TON12 CH1 on time 2 VIN = 12 V, VO1 = 5 V, 245 kHz setting 1700 TON13 CH1 on time 3 VIN = 12 V, VO1 = 5 V, 300 kHz setting 1390 TON14 CH1 on time 4 VIN = 12 V, VO1 = 5 V, 365 kHz setting 1140 TON21 CH2 on time 1 VIN = 12 V, VO2 = 3.3 V, 250 kHz setting 1100 ns TON22 CH2 on time 2 VIN = 12 V, VO2 = 3.3 V, 305 kHz setting 900 TON23 CH2 on time 3 VIN = 12 V, VO2 = 3.3 V, 375 kHz setting 730 TON24 CH2 on time 4 VIN = 12 V, VO2 = 3.3 V, 460 kHz setting 600 TON(min) Minimum on time TA = 25 °C 80 TOFF(min) Minimum off time TA = 25 °C 300 SOFTSTART TSS Internal SS time Internal soft start 1.1 1.6 2.1 ms POWERGOOD PG in from lower 92.50% 95% 97.50% VTHPG PG threshold PG in from higher 102.50% 105% 107.50% PG hysteresis 2.50% 5% 7.50% IPGMAX PG sink current PGOOD = 0.5 V 5 12 mA TPGDEL PG delay Delay for PG in 350 510 670 µs LOGIC THRESHOLD AND SETTING CONDITIONS Shutdown 0.4 VEN0 EN0 setting voltage V Enable 2.4 IEN0 EN0 current VEN0 = 0.2 V 2 3.5 5 µA Shutdown 0.6 VENC ENC threshold voltage V Enable 2 200 kHz/250 kHz 1.5 245 kHz/305 kHz 1.9 2.1 VTONSEL TONSEL setting voltage V 300 kHz/375 kHz 2.7 3.6 365 kHz/460 kHz 4.7 Auto skip 1.5 VSKIPSEL SKIPSEL setting voltage PWM only 1.9 2.1 V OOA auto skip 2.7 4 Submit Documentation Feedback Copyright © 2008, Texas Instruments Incorporated Product Folder Link(s): TPS51123 |
Numéro de pièce similaire - TPS51123RGER |
|
Description similaire - TPS51123RGER |
|
|
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 |