BD9889FV-E2 Rohm Semiconductor, BD9889FV-E2 Datasheet
BD9889FV-E2
Specifications of BD9889FV-E2
Related parts for BD9889FV-E2
BD9889FV-E2 Summary of contents
Page 1
... Timer Latch ・Under Voltage Lock Out ・Short circuit protection with over voltage ・Mode-selectable the operating or stand-by mode by stand-by pin ・Synchronous operating the other BD9889FV IC’s ・BURST mode controlled by PWM and DC input ○Absolute Maximum Ratings（Ta = 25℃） Parameter ...
Page 2
Characteristics（Ta=25℃，VCC=7V） Parameter （ （WHOLE DEVICE） ） Operating current Stand-by current （ （OVER VOLTAGE DETECT） ） FB overvoltage detect voltage （ （STAND BY CONTROL） ） Stand-by voltage H Stand-by voltage L Stand-by hysteresis （ （TIMER LATCH） ） Timer Latch voltage ...
Page 3
... BLOCK① VS1 CT FB2 IS2 F/B PWM SS BLOCK② BLOCK② VS2 CT GND PROTECT BLOCK COMP1 COMP2 SCP SRT BD9889FV SSOP-B28 (unit:mm) 〇Pin Description Pin No. RT BRT BCT DUTY DUTY BOSC BLOCK VCC UVLO BLOCK UVLO VCC NA1 LOGIC OUTPUT BLOCK BLOCK① ...
Page 4
... Make sure to leave adequate margin for this IC variation. ９. On operating Slow Start Control (SS is less than 2.2V), It does not operate Timer Latch. １０. By STB voltage, BD9889FV is changed to 2 states. Therefore, do not input STB pin voltage between one state and the other state (0.8～1.6). １１. ...
Page 5
No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose ...