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BM2P21B Datasheet(PDF) 4 Page - Rohm |
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BM2P21B Datasheet(HTML) 4 Page - Rohm |
4 / 24 page 4/20 Datasheet Datasheet BM2PX1A/BM2PX1B Series TSZ02201-0F1F0A200100-1-2 22. Mar.2017.Rev.002 © 2015 ROHM Co., Ltd. All rights reserved. www.rohm.com TSZ22111・15・001 Electrical Characteristics of Control IC(unless otherwise noted, Ta = 25 C, VCC = 15 V) Parameter Symbol Specifications Unit Conditions Min. Typ. Max. [Circuit Current] Circuit current (ON) 1 ION1 0.90 1.40 1.90 mA FB=2.0V(PULSE operation) DRAIN : OPEN Circuit current (ON) 2 ION2 0.15 0.25 0.35 mA FB=0.0V(Burst operation) Circuit current (OFF) IOFF 10 20 30 μA During Starting and VCC=14.5V [VCC Protection Function] VCC UVLO voltage 1 VUVLO1 14.50 15.50 16.50 V VCC rises VCC UVLO voltage 2 VUVLO2 9.50 10.20 10.90 V VCC falls VCC UVLO hysteresis VUVLO3 - 5.30 - V VUVLO3= VUVLO1- VUVLO2 VCC OVP voltage 1 VOVP1 26.0 27.5 29.0 V VCC rises VCC OVP voltage 2 VOVP2 - 23.5 - V In the case of Auto Restart Typed VCC OVP hysteresis VOVP3 - 4.0 - V In the case of Auto Restart Typed Latch released VCC voltage VRESET - VUVLO2-0.5 - V VCC recharge start voltage VCHG1 9.70 10.70 11.70 V VCC recharge stop voltage VCHG2 14.00 15.00 16.00 V Latch mask time TLATCH 50 100 150 μs Thermal shut down temperature1 TSD1 120 145 170 C Control IC, temp rises Thermal shut down temperature2 TSD2 90 115 140 C Control IC, temp falls [PWM Type DCDC Driver Block] Oscillation frequency 1 FSW1 94 100 106 kHz FB=2.00V Oscillation frequency 2 FSW2 20 25 30 kHz FB=0.18V Frequency hopping width FDEL - 6.0 - kHz FB=2.00V Hopping fluctuation frequency FCH 75 125 175 Hz Starting frequency reduction mode VDLT 1.060 1.160 1.260 V Maximum duty Dmax 68.0 75.0 82.0 % FB pin pull-up resistance RFB 23 30 37 kΩ FB burst voltage1 VBST1 0.130 0.180 0.230 V FB rises FB burst voltage2 VBST2 0.180 0.230 0.280 V FB falls FB OLP voltage 1a VFOLP1A 2.500 2.800 3.100 V FB rises FB OLP voltage 1b VFOLP1B - 2.600 - V FB falls FB OLP LATCH ON TIMER TFOLP1 40 64 88 ms FB OLP LATCH OFF TIMER TFOLP2 332 512 692 ms [Over Current Detection Block] Over-current Limiter 1a ISOURCE1a 0.330 0.430 0.530 A Ton=0μs (BM2PXXA) Over-current Limiter 2a ISOURCE2a - 0.780 - A Ton=10μs (BM2PXXA) Over-current Limiter 1b ISOURCE1b 0.440 0.540 0.640 A Ton=0μs (BM2PXXB) Over-current Limiter 2b ISOURCE2b 1.020 - A Ton=10μs (BM2PXXB) Leading edge blanking time TLEB - (250) - ns [ External LATCH function ] LATCH detect voltage VLATCH 7.80 8.50 9.20 V LATCH pull up current ILATCH-up 250 320 390 μA AC=ON LATCH pull down resistance RLATCH-down 100 250 400 Ω AC=OFF, LATCH=3.0V [VH Start Circuit Block] Start current ISTART 1.90 5.50 10.20 mA VH=100V/ VCC=10V Start OFF current ISTART_OF F 5 10 20 μA VH=100V Discharge ON voltage VHDIS1 90.2 101.5 112.8 V Discharge ON delay time TDISON 88 128 168 ms |
Similar Part No. - BM2P21B |
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Similar Description - BM2P21B |
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