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BD9526AMUV Dataheets PDF



Part Number BD9526AMUV
Manufacturers Rohm
Logo Rohm
Description Silicon Monolithic Integrated Circuit
Datasheet BD9526AMUV DatasheetBD9526AMUV Datasheet (PDF)

1/4 STRUCTURE TYPE PRODUCT SERIES FEATURES Silicon Monolithic Integrated Circuit Step down DC/DC converter controller for Laptop PC BD9526AMUV ■ ■ ■ ■ Built in 2ch H3REG DC/DC converter controller The Light load mode efficiency is improved by SLLM (Simple Light Load Mode) Adjustable Switching Frequency (f=200kHz~500kHz) Built in 3ch Linear Regulator Symbol VIN1, VIN2, CTL EXTVCC, FB1, FB2, Is+1, Is+2, MCTL FS1, FS2, REF1, REF2, LG1,LG2,TEST1,TEST2 BOOT1, BOOT2 BOOT1-SW1, BOOT2-SW2, HG1-SW1, .

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1/4 STRUCTURE TYPE PRODUCT SERIES FEATURES Silicon Monolithic Integrated Circuit Step down DC/DC converter controller for Laptop PC BD9526AMUV ■ ■ ■ ■ Built in 2ch H3REG DC/DC converter controller The Light load mode efficiency is improved by SLLM (Simple Light Load Mode) Adjustable Switching Frequency (f=200kHz~500kHz) Built in 3ch Linear Regulator Symbol VIN1, VIN2, CTL EXTVCC, FB1, FB2, Is+1, Is+2, MCTL FS1, FS2, REF1, REF2, LG1,LG2,TEST1,TEST2 BOOT1, BOOT2 BOOT1-SW1, BOOT2-SW2, HG1-SW1, HG2-SW2 HG1 HG2 EN1, EN2 DGND, PGND1, PGND2 Pd1 Pd2 Pd3 Pd4 Topr Tstg Tjmax Limits 30 *1*2 7 *1*2 INTVCC+0.3 *1*2 35 *1*2 7 *1*2 BOOT1+0.3 *1*2 BOOT2+0.3 *1*2 6 *1*2 AGND±0.3 *1*2 Unit V V V V V V V V V ○Absolute Maximum ratings (Ta=25℃) Parameter Terminal voltage Power dissipation 1 Power dissipation 2 Power dissipation 3 Power dissipation 4 Operating temperature range Storage temperature range Junction Temperature 0.38* 4 0.88 * 5 2.06 * 6 4.56 * -10~+100 -55~+150 +150 3 W W W W ℃ ℃ ℃ *1 Do not however exceed Pd. *2 Instantaneous surge voltage, back electromotive force and voltage under less than 10% duty cycle. *3 Reduced by 3.0mW for each increase in Ta of 1℃ over 25℃ (when don’t mounted on a heat radiation board ) *4 Reduced by 7.0mW for increase in Ta of 1℃ over 25℃. (when mounted on a board 70.0mm×70mm×1.6mm Glass-epoxy PCB which has 1 layer. (Copper foil area : 0mm2)) *5 Reduced by 16.5mW for increase in Ta of 1℃ over 25℃. (when mounted on a board 70.0mm×70mm×1.6mm Glass-epoxy PCB which has 4 layers. (1st and 4th copper foil area : 20.2mm2, 2nd and 3rd copper foil area : 5505mm2)) *6 Reduced by 36.5mW for increase in Ta of 1℃ over 25℃. (when mounted on a board 70.0mm×70mm×1.6mm Glass-epoxy PCB which has 4 layers. (All copper foil area : 5505mm2)) www.DataSheet.co.kr ○Operating supply voltage range (Ta=25℃) Parameter Symbol VIN1,VIN2 EXTVCC CTL EN1, EN2 Terminal voltage BOOT1, BOOT2 BOOT1-SW1, BOOT2-SW2, HG1-SW1, HG2-SW2 REF1, REF2 Is+1, Is+ 2, FB1, FB2 MCTL ★ MIN. 7 4.5 -0.3 -0.3 4.5 -0.3 1 1.9 -0.3 MAX. 25 5.5 25 5.5 30 5.5 2.75 5.6 INTVCC+0.3 Unit V V V V V V V V V This product is not designed for protection against radioactive rays. Status of this document The Japanese version of this document is the official specification. This translated version is intended only as a reference, to aid in understanding the official version. If there are any differences between the original and translated versions of this document, the official Japanese language version takes priority. REV. B Datasheet pdf - http://www.DataSheet4U.net/ 2/4 ○Electrical characteristics (unless otherwise noted, Parameter VIN1 Bias Current VIN2 Bias Current 1 VIN2 Bias Current 2 Ta=25℃ VIN1=VIN2=12V, CTL=5V, EN1=EN2=5V, REF1=2.5V, REF2=1.65V, RFS1=RFS2=51kΩ) Symbol IIN1 IIN2_1 IIN2_2 Min. -0.3 2.3 -0.3 2.3 4.90 200 3.27 100 3.27 100 4.2 2 4.0 2.45 50 REF1×2 -25m 5 REF2×2 -25m 3 -1 0.860 0.570 3.5 REF×2×0.66 0.5 43 0.5 -0.3 1.5 4.5 1.5 Limit Typ. 130 100 20 0 0 1 1 5.00 3.30 3.30 4.4 4 1.0 4.2 2.65 100 REF1×2 25 1 REF2×2 16 1 0.960 0.670 7 0.2 3.0 2.0 2.0 0.5 REF×2×0.7 1 50 2.5 2.5 1.0 - Max. 200 150 40 10 10 0.8 25 3 0.8 5.5 3 5.10 180 50 3.33 33 33 3.33 20 30 4.6 8 2.0 4.4 2.85 200 REF1×2 +25m 50 3 REF2×2 +25m 32 3 1 1.060 0.770 14 0.4 6.0 4.0 4.0 1.0 REF×2×0.74 2 57 10 10 2.0 0.3 3.0 INTVCC+0.3 3.0 Unit μA μA μA μA μA V V μA V V μA V mA mV mV V mA mV mV V mA mV mV V ms Ω V V mV V μA kΩ V μA kΩ μA μs μs μs μs Ω Ω Ω Ω V ms mV μA μA ms V V V V Condition CTL=5V CTL=5V, EN1=EN2=0V CTL=5V, EN1=EN2=0V,EXTVCC=5V CTL=0V CTL=0V VIN1 Shutdown Current ISHD1 VIN2 Shutdown Current ISHD2 CTL Low Voltage VCTLL CTL High Voltage VCTLH CTL Bias Current ICTL EN Low Voltage VENL EN High Voltage VENH EN Bias Current IEN [5V Linear Regulator] INTVCC output Voltage VINTVCC INTVCC Maximum Current IINTVCC INTVCC Line regulation Reg.lINT INTVCC Load regulation Reg.LINT [3.3V Linear Regulator] REG1 Output Voltage VREG1 REG1Maximum Current IREG1 REG1Line regulation Reg.l1 REG1Load regulation Reg.L1 REG2 Output Voltage VREG2 REG2Maximum Current IREG2 REG2Line regulation Reg.l2 REG2Load regulation Reg.L2 [5V Switch Block] EXTVCC Input Threshold Voltage Vcc_UVLO EXTVCC Input Delay Time TVcc Switch Resistance RVcc [Under voltage lock out block for DC/DC] INTVCC Threshold Voltage REG1_UVLO REG2 Threshold Voltage REG2_UVLO Hysteresis voltage dV_UVLO [Error amplifier block] Feed back voltage 1 VFB1 FB1 Bias Current IFB1 Output Discharge Resistance 1 RDISOUT1 Feed back voltage 2 VFB2 FB2 Bias Current IFB2 Output Discharge Resistance 2 RDISOUT2 REF1, REF2 Bias Current IREF1, IREF2 [H3REG block] ON Time 1 TON1 ON Time 2 TON2 Maximum On Time TONMAX Minimum Off Time TOFFMIN [FET Driver block] HG higher side ON resistor HGHON HG lower side ON resistor HGLON LG higher side ON resistor LGHON LG lower side ON resistor LGLON [Short circuit protection block] SCP Threshold Voltage VSCP Delay Time TSCP [Current limit protection block] Maximum offset voltage dVSMAX I.


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