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BD2045AFJ Datasheet(PDF) 1 Page - Rohm |
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BD2045AFJ Datasheet(HTML) 1 Page - Rohm |
1 / 13 page 1/12 www.rohm.com 2011.06 - Rev.C © 2011 ROHM Co., Ltd. All rights reserved. Power Management Switch ICs for PCs and Digital Consumer Products 1ch High Side Switch ICs for USB Devices and Memory Cards BD2045AFJ, BD2055AFJ ● Description Single channel high side switch IC for USB port is a high side switch having over current protection used in power supply line of universal serial bus (USB). N-channel power MOSFET of low on resistance and low supply current are realized in this IC. And, over current detection circuit, thermal shutdown circuit, under voltage lockout and soft start circuit are built in. ● Features 1) Low on resistance 80mΩ Nch MOSFET Switch. 2) Continuous current load 0.25A 3) Control input logic Active-Low : BD2045AFJ Active-High : BD2055AFJ 4) Soft start circuit 5) Over current detection 6) Thermal shutdown 7) Under voltage lockout 8) Open drain error flag output 9) Reverse-current protection when power switch off 10) Power supply voltage range 2.7V to 5.5V 11) TTL Enable input 12) 1.2ms typical rise time 13) 10μA max standby current 14) Operating temperature range -40°C to 85°C ● Applications USB hub in consumer appliances, Car accessory, PC, PC peripheral equipment, and so forth ● Lineup Parameter BD2045AFJ BD2055AFJ Continuous current load (A) 0.25 0.25 Output current at short (A) 0.5 0.5 Control input logic Low High ● Absolute Maximum Ratings Parameter Symbol Ratings Unit Supply voltage VIN -0.3 to 6.0 V Enable voltage VEN, V/EN -0.3 to 6.0 V /OC voltage V/OC -0.3 to 6.0 V /OC current IS/OC 10 mA OUT voltage VOUT -0.3 to 6.0 V Storage temperature TSTG -55 to 150 °C Power dissipation PD 560 *1 mW *1 In the case of exceeding Ta = 25°C, 4.48mW should be reduced per 1°C. * This chip is not designed to protect itself against radioactive rays. No.11029ECT04 |
Similar Part No. - BD2045AFJ_11 |
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Similar Description - BD2045AFJ_11 |
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