Electronic Components Datasheet Search |
|
BD7684FJ-LB Datasheet(PDF) 4 Page - Rohm |
|
BD7684FJ-LB Datasheet(HTML) 4 Page - Rohm |
4 / 30 page 4/27 Datasheet Datasheet BD768xFJ-LB Series TSZ02201-0F1F0A200050-1-2 17.Apr.2015. Rev.001 © 2015 ROHM Co., Ltd. All rights reserved. www.rohm.com TSZ22111・15・001 Electrical Characteristics – continued (unless otherwise noted, Ta = 25 °C, VCC=24 V) Parameter Symbol Specifications Unit Conditions MIN TYP MAX [DCDC Converter Block (Turn OFF)] FB Pin pull-up Resistance RFB 15 20 25 kΩ CS Over-Current Sensor Voltage 1A VLIM1A 0.950 1.000 1.050 V FB=2.2V (IZT>-1mA) CS Over-Current Sensor Voltage 1B VLIM1B 0.620 0.700 0.780 V FB=2.2V (IZT<-1mA) CS Over-Current Sensor Voltage 2A VLIM2A 0.200 0.300 0.400 V FB=0.6V (IZT>-1mA) CS Over-Current Sensor Voltage 2B VLIM2B 0.140 0.210 0.280 V FB=0.6V (IZT<-1mA) CS Switching ZT Current IZT 0.900 1.000 1.100 mA CS Leading Edge Blanking Time tLEB - 0.250 - µs Minimum ON Width tMIN - 0.500 - µs [DCDC Converter Block (Turn ON)] Maximum Operating Frequency 1 fSW1 106 120 134 KHz FB=2.0V Maximum Operating Frequency 2 fSW2 20 30 40 KHz FB=0.5V Frequency Reduction Start FB Voltage VFBSW1 1.100 1.250 1.400 V Frequency Reduction End FB Voltage 1 VFBSW2 0.400 0.500 0.600 V Frequency Reduction End FB Voltage 2 VFBSW3 - 0.550 - V Voltage Gain AVCS 1.700 2.000 2.300 V/V ⊿VFB/⊿VCS ZT Comparator Voltage 1 VZT1 60 100 140 mV ZT fall ZT Comparator Voltage 2 VZT2 120 200 280 mV ZT rise ZT Trigger Mask Time tZTMASK 0.25 0.60 0.95 µs For noise prevention after OUT H ⇒L ZT Trigger Timeout Period 1 tZTOUT 8.0 15.0 24.0 µs Count from final ZT trigger (1-stage) ZT Trigger Timeout Period 2 tZTOUT2 2.0 5.0 8.0 µs Count from final ZT trigger (2-stage) Maximum ON Time tZTON 27.0 45.0 62.0 µs [DCDC Protection Functions] Soft Start Time 1 tSS1 0.600 1.000 1.400 ms Soft Start Time 2 tSS2 2.400 4.000 5.600 ms FB OLP Voltage 1 VFOLP1 2.500 2.800 3.100 V FB rise FB OLP Voltage 2 VFOLP2 2.300 2.600 2.900 V FB fall FB OLP Timer tFOLP 90 128 166 ms ZT OVP Voltage VZTL 3.250 3.500 3.750 V [OUT Pin] OUT Pin Clamp Voltage VOUT 16.00 18.00 20.00 V OUT pin Nch MOS Ron RNOUT 2.0 4.5 9.0 Ω [MASK Pin] MASK Pin Delay Time tMASK 0.25 0.60 0.95 µs MASK Pin Ron RMASK 20 50 80 Ω |
Similar Part No. - BD7684FJ-LB |
|
Similar Description - BD7684FJ-LB |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.NET |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | 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 |