 |
поискавой системы для электроныых деталей |
|
|
поискавой системы для электроныых деталей |
|
RT4539AWSC датащи(PDF) 7 Page - Richtek Technology Corporation |
|
|
|||||||||||||||||||||||||||||
RT4539AWSC датащи(HTML) 7 Page - Richtek Technology Corporation |
|
|
7 / 39 page  RT4539A Copyright © 2022 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation DS4539A-01 December 2022 www.richtek.com 7 Parameter Symbol Test Conditions Min Typ Max Unit Output Low Level for SDA VOL External pull high current = 3mA -- 0.3 0.5 V Output Leakage Current for SDA ILK_DIO SDA pin voltage = 3.3V -- -- 1 µ A I2C Interface Timing Maximum I2C Clock Frequency fSC_MAX 1 -- 400 kHz Hold Time for START And Repeated START Condition tHD,STA 0.6 -- -- µ s SCL Clock Low Time tLOW 1.3 -- -- µ s SCL Clock High Time tHIGH 0.6 -- -- µ s Setup Time for A Repeated START Condition tSU,STA 0.6 -- -- µ s SDA Data Hold Time tHD,DAT 0 -- 900 ns SDA Data Setup Time tSU,DAT 100 -- -- ns Rising Time of SDA, SCL tR 20 -- 300 ns Falling Time of SDA, SCL tF 20 -- 300 ns Setup Time for STOP Condition tSU,STO 0.6 -- -- µ s I2C Bus Free Time Between a STOP and a START tBUF 1.3 -- - µ s Capacitive Load for I2C Bus CB -- -- 400 pF Boost Converter Switching Frequency Accuracy fSW_ACC Boost operates at PWM mode, fSW = 600kHz − 10 -- 10 % Switching Frequency Setting Range fSW_RG Boost operates at PWM mode default = 600KHz@0x07h 0.3 -- 1.6 MHz Maximum Duty Cycle DMAX_300kHz to 1MHz fSW = 300kHz to 1MHz (Note 6) 85 90 95 % DMAX_1.22MH z to 1.6MHz fSW = 1.22MHz to 1.6MHz (Note 6) 90 95 99 Boost Switch RDS(ON) RDS(ON) 0.07 0.25 0.29 Ω Switching Current Limitation IOCP (Note 7) 2 2.5 3 A Boost Minimum ON Time tMON 10 100 300 ns VOUT Over-Voltage Protection VOVP Register address = ”0Ah”, 5 bits Step = 1V, default = 39V, COUT = 4.7µF -- 39 -- V LED Current Leakage Current of FBx ILK_FB VFBx = 39V, IFBx = 0mA -- -- 2 µ A Minimum FBx Regulation Voltage VFB(MIN) IFBx = 20mA * 97% 0.35 -- -- V Maximum LED Current Setting IFB(MAX) LED 100% setting, register address = ”02h”, Step = 0.12mA 10.04 -- 35 mA Minimum LED Current Setting IFB(MIN) Setting By Dimming, IFBx = 20mA 0.2 -- -- mA |
|
ссылки URL |
| Вашему бизинису помогли Аллдатащит? [ DONATE ] |
Что такое Аллдатащит | реклама | контакт | Конфиденциальность | Ссылка на техническое описание | обмен ссыками | поиск по производителю 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 |
Russian ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
