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BD8313HFN Datasheet(PDF) 2 Page - Rohm |
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BD8313HFN Datasheet(HTML) 2 Page - Rohm |
2 / 18 page BD8313HFN Technical Note 2/17 www.rohm.com 2010.06- Rev.C © 2010 ROHM Co., Ltd. All rights reserved. Electrical Characteristics (Unless otherwise specified, Ta = 25 °C, VCC = 7.4 V) (※1)100% is MAX Duty as behavior of a PWM conparetor. Using in region where High side PMOS is 100% on state as application circuit causes detection of SCP then DC/DC converter stops. Not designed to be resistant to radiation Parameter Symbol Target Value Unit Conditions Min Typ Max [Low voltage input malfunction preventing circuit] Detection threshold voltage VUV - 2.9 3.2 V VREG monitor Hysteresis range ΔVUVhy 100 200 300 mV [Oscillator] Oscillation frequency Fosc 0.9 1.0 1.1 MHz [Regulator] Output voltage VREG 4.65 5.0 5.35 V [Error AMP] INV threshold voltage VINV 0.99 1.00 1.01 V Input bias current IINV -50 0 50 nA VCC = 12.0 V , VINV = 6.0 V Soft-start time Tss 4.8 8.0 11.1 msec [PWM comparator] LX Max Duty Dmax - - (※)100 % [Output] PMOS ON resistance RONP - 450 600 mΩ NMOS ON resistance RONN - 300 420 mΩ Leak current Ileak -1 0 1 uA [STB] STB pin control voltage Operation VSTBH 2.5 - 14 V No-operation VSTBL -0.3 - 0.3 V STB pin pull-down resistance RSTB 250 400 700 kΩ [Circuit current] Standby current VCC pin ISTB1 - - 1 uA PVCC pin ISTB2 - - 1 uA Circuit current at operation VCC ICC1 - 600 900 uA VINV = 1.2 V Circuit current at operation PVCC ICC2 - 30 50 uA VINV = 1.2 V |
Similar Part No. - BD8313HFN_10 |
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Similar Description - BD8313HFN_10 |
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