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BD8303MUV-E2 Datasheet(PDF) 2 Page - Rohm |
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BD8303MUV-E2 Datasheet(HTML) 2 Page - Rohm |
2 / 18 page Technical Note 2/15 BD8303MUV www.rohm.com 2013.07 - Rev.B ○ c 2009 ROHM Co., Ltd. All rights reserved. ● Electrical Characteristics (Unless otherwise specified, Ta = 25 °C, VCC = 7.4 V) Parameter Symbol Target Value Unit Conditions Minimum Typical Maximum [Low voltage input malfunction preventing circuit] Detection threshold voltage VUV - 2.4 2.6 V VREG monitor Hysteresis range ΔVUVhy 50 100 200 mV [Oscillator] Oscillation frequency fosc 480 600 720 kHz RT=51k Ω [Regulator] Output voltage VREG 4.7 5.1 5.5 V [Error AMP] INV threshold voltage VINV 0.9875 1.00 1.0125 V Input bias current IINV -50 0 50 nA Vcc=12.0V , IINV=6.0V Soft-start time Tss 2.4 4.0 5.6 msec RT=51k Ω Output source current IEO 10 20 30 μA VINV=0.8V , VFB =1.5V Output sink current IEI 0.6 1.3 3 mA VINV=1.2V , VFB =1.5V [PWM comparator] SW1 Max Duty Dmax1 85 90 95 % HG1 ON SW2 Max Duty Dmax2 85 90 95 % LG2 ON SW2 Min Duty Dmin2 5 10 15 % LG2 OFF [Output] HG1, 2 High side ON resistance RONHp - 4 8 Ω HG1, 2 Low side ON resistance RONHn - 4 8 Ω LG1, 2 High side ON resistance RONLp - 4 8 Ω LG1, 2 Low side ON resistance RONLn - 4 8 Ω HG1-LG1 dead time Tdead1 50 100 200 nsec HG2-LG2 dead time Tdead2 50 100 200 nsec [STB] STB pin control voltage Operation VSTBH 2.5 - VCC V No-operation VSTBL -0.3 - 0.3 V STB pin pull-down resistance RSTB 250 400 700 k Ω [Circuit current] Standby current VCC pin ISTB - - 1 μA Circuit current at operation VCC Icc1 - 650 1000 μA VINV=1.2V Circuit current at operation BOOT1,2 Icc2 - 120 240 μA VINV=1.2V |
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