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BM1P063FJ-E2 Datasheet(PDF) 3 Page - Rohm |
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BM1P063FJ-E2 Datasheet(HTML) 3 Page - Rohm |
3 / 30 page 3/26 Datasheet Datasheet BM1P107FJ TSZ02201-0F2F0A200170-1-2 2.Oct.2013.Rev.001 © 2013 ROHM Co., Ltd. All rights reserved. www.rohm.com TSZ22111・15・001 ● Electrical characteristics of control IC block (Unless otherwise noted, Ta = 25°C, VCC = 15 V) Parameter Symbol Rating Unit Conditions Min. Typ. Max. [PWM type DC/DC driver block] Oscillation frequency 1a F SW1a 90 100 110 kHz FB = 2.00 V average frequency Oscillation frequency 2 F SW2 - 25 - kHz FB = 0.40 V average frequency Frequency hopping range F DEL1 - 6.0 - kHz FB = 2.00 V average frequency Hopping fluctuation frequency F CH 75 125 175 Hz Minimum pulse width Tmin - 400 - ns Soft start time 1 T SS1 0.30 0.50 0.70 ms Soft start time 2 T SS2 0.60 1.00 1.40 ms Soft start time 3 T SS3 1.20 2.00 2.80 ms Soft start time 4 T SS4 2.40 4.00 5.60 ms Maximum duty Dmax 68.0 75.0 82.0 % FB pin pull-up resistance R FB 22 30 38 k Ω FB / CS gain Gain - 4.00 - V/V FB burst voltage 1 V BST1 0.300 0.400 0.500 V FB drop FB burst voltage 2 V BST2 0.350 0.450 0.550 V FB rise FBOLP voltage 1a V FOLP1A 2.60 2.80 3.00 V When overload is detected (FB rise) FBOLP voltage 1b V FOLP1B - VFOLP2A -0.2 - V When overload is detected (FB drop) FBOLP detection timer T FOLP 44 64 84 ms [Overcurrent detection block] Overcurrent detection voltage V CS 0.380 0.400 0.420 V Ton = 0 us Overcurrent detection voltage SS1 V CS_SS1 - 0.100 - V 0 [ms] ~ Tss1 [ms] Overcurrent detection voltage SS2 V CS_SS2 - 0.150 - V TSS1 [ms] ~ TSS2 [ms] Overcurrent detection voltage SS3 V CS_SS3 - 0.200 - V TSS2 [ms] ~ TSS3[ms] Overcurrent detection voltage SS4 V CS_SS4 - 0.300 - V TSS3 [ms] ~ TSS4 [ms] Leading edge blanking time T LEB - 250 - ns Overcurrent detection AC compensation factor K CS 12 20 28 mV/us |
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