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BD9040FV Datasheet(PDF) 7 Page - Rohm |
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BD9040FV Datasheet(HTML) 7 Page - Rohm |
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7 / 19 page  BD9040FV, BD9045FV Technical Note 7/18 www.rohm.com 2009.05 - Rev.A © 2009 ROHM Co., Ltd. All rights reserved. ● Block diagram (BD9045FV) BOOT1 COMP1 TSD UVLO PWM COMP ErrAmp 0.9V Sequence DET UVLO 0.45V 0.45V SW2 OUTL2 DGND2 FB2 SS2 COMP EN2 EN1 SW1 VREG5 OUTL1 DGND1 FB1 SS1 Set Q Reset Q Reset Set VREG5 Slope PWM COMP TSD UVLO Q Set Reset Set Q Reset Sequence DET ErrAmp 0.9V Slope － ＋ ＋ GND OVP OVP CL2 BOOT2 OUTH2 CL1 OUTH1 OCP OCP TM2 TSD 5V Reg 3V Reg VREG5 VREG3 VCC RT 3.8V UVLO TSD B.G OSC TM1 DRV Set Reset DRV DRV Set Reset DRV O/S Check UVLO |
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