 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
RT8239 Datasheet(PDF) 9 Page - Richtek Technology Corporation |
|
|
|||||||||||||||||||||||||||||
RT8239 Datasheet(HTML) 9 Page - Richtek Technology Corporation |
|
|
9 / 24 page  RT8239A/B/C 9 DS8239A/B/C-06 October 2012 www.richtek.com © Copyright 2012 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. Parameter Symbol Test Conditions Min Typ Max Unit PGOOD Leakage Current ILK_PGOOD High State, Forced to 5.5V -- -- 1 μA PGOOD Output Low Voltage VSINK_PGOOD ISINK = 4mA -- -- 0.4 V SECFB Power Good Threshold VSFB_PGOOD SECFB with Respect to 2V (RT8239B/C) 40 50 60 % Fault Detection Over Voltage Protection Trip Threshold VOVP OVP Detect, FBx Rising Edge 108 112 116 % Over Voltage Protection Propagation Delay tDLY_OVP Rising Edge -- 5 -- μs VUVP UVP Detect, FBx Falling Edge. 53 58 63 % Under Voltage Protection Trip Threshold VSFB_UVP UVP Detect, SECFB Falling Edge. 0.8 -- 1.2 V Under Voltage Protection Shutdown Blanking Time tSSHx From ENTRIPx or ENM Enable -- 5 -- ms Thermal Shutdown Thermal Shutdown TSD -- 150 -- °C Thermal Shutdown Hysteresis ΔTSD -- 10 -- °C Logic Input ENTRIPx Input Voltage VENTRIPx Clear Fault Level/SMPSx Off Level 4.5 -- -- V Rising Edge Threshold 1.2 1.6 2 Falling Edge Threshold 0.9 0.95 1 ENLDO Input Voltage VENLDO When ENLDO is Floating (Default Enable) 2.1 -- -- V Clear Fault Level/SMPSs Off Level -- -- 0.8 SMPSs On, DEM Operation 2.3 -- 3.6 ENM Input Voltage (RT8239A) VENM SMPSs On, Ultrasonic Mode Operation 4.5 -- -- V IFBx VFBx = 0V or 5V −1 -- 1 IP13 ENM/SECFB = 0V or 5V −1 -- 1 Input Leakage Current IENLDO ENLDO = 0V or 5V −1 -- 3 μA Internal BOOT Switch Internal Boost Charging Switch On-Resistance RBOOTx LDO5 to BOOTx, 10mA -- -- 90 Ω Power MOSFET Drivers RUGATEsr Source, VBOOTx − VUGATEx = 0.1V -- 5 8 UGATEx On-Resistance RUGATEsk Sink, VUGATEx − VPHASEx = 0.1V -- 2 4 Ω RLGATEsr Source, VLDO5 − VLGATEx = 0.1V -- 5 8 LGATEx On-Resistance RLGATEsk Sink, VLGATEx = 0.1V -- 1.5 3 Ω tLGATERx UGATEx Off to LGATEx On -- 30 -- Dead Time tUGATERx LGATEx Off to UGATEx On -- 40 -- ns |
|
|
Link URL |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link to Datasheet | Link Exchange | Manufacturer List 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 |
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
