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BD9524MUV Datasheet(PDF) 3 Page - Rohm |
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BD9524MUV Datasheet(HTML) 3 Page - Rohm |
3 / 21 page BD9524MUV Technical Note 3/20 www.rohm.com 2010.03 - Rev.C © 2010 ROHM Co., Ltd. All rights reserved. ● Electrical characteristics - Continued (unless otherwise noted, Ta=25℃ VIN=12V, CTL=5V, EN1=EN2=5V, REF1=2.5V, REF2=1.65V, FS1=FS2=0.582V) Parameter Symbol Standard Value Unit Conditions MIN. TYP. MAX. [H 3RegTM block] On Time 1 TON1 0.810 0.960 1.110 μs REF=2.5V On Time 2 TON2 0.520 0.670 0.820 μs REF=1.65V Maximum On Time TONMAX 3.5 7 14 μs Minimum Off Time TOFFMIN - 0.2 0.4 μs FS1, FS2 bias current IFS -10 0 10 μA [FET driver block] HG higher side ON resistor HGHON - 3.0 6.0 Ω HG lower side ON resistor HGLON - 2.0 4.0 Ω LG higher side ON resistor LGHON - 2.0 4.0 Ω LG lower side ON resistor LGLON - 0.5 1.0 Ω [Over Voltage Protection block] Latch Type OVP Threshold voltage VLOVP REF×2 × 1.15 REF×2 × 1.175 REF×2 × 1.20 V Latch Type OVP delay time TLOVP 50 150 300 μs [Short circuit protection block] SCP Threshold voltage VSCP REF×2× 0.66 REF×2 × 0.7 REF×2 × 0.74 V Delay time TSCP 0.5 1 2 ms [Current limit protection block] Maximum offset voltage dVSMAX 50 65 80 mV Is+1 bias current IISP1 - 2.5 10 μA Is+2 bias current IISP2 - 2.5 10 μA [Power good block] Power good low threshold VPGTHL REF×2 × 0.87 REF×2 × 0.90 REF×2 × 0.93 V Power good high threshold VPGTHH REF×2 × 1.07 REF×2 × 1.10 REF×2 × 1.13 V Power good low voltage VPGL - 0.1 0.2 V IPGOOD=1mA Power good leakage current ILEAKPG -2 0 2 μA VPGOOD=5V [Soft Start block] Charge current ISS 1.8 2.5 3.2 μA Standby voltage VSS_STB - - 50 mV [SLLM mode control block] MCTL terminal voltage 1 VCONT -0.3 - 0.3 V Continuous mode MCTL terminal voltage 2 VQLLM 1.5 - 3.0 V QL 2M mode (Maximum LG off time : 50μs) MCTL terminal voltage 3 VSLLM 4.5 - REG1+0.3 V SL 2M mode (Maximum LG off time : ∞) MCTL float level VMCTL 1.5 - 3.0 V ● Output condition table Input Output CTL EN1 EN2 REG1(5V) REG2(3.3V) DC/DC1 DC/DC2 Low Low Low OFF OFF OFF OFF Low Low High OFF OFF OFF OFF Low High Low OFF OFF OFF OFF Low High High OFF OFF OFF OFF High Low Low ON ON OFF OFF High Low High ON ON OFF ON High High Low ON ON ON OFF High High High ON ON ON ON |
Similar Part No. - BD9524MUV_10 |
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Similar Description - BD9524MUV_10 |
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