BD8179MUV Datasheet (data sheet) PDF





BD8179MUV Datasheet, 5V Input Multi-channel System Power Supply IC

BD8179MUV   BD8179MUV  

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Power Supply IC Series for TFT-LCD Panel s 5V Input Multi-channel System Power Supply IC BD8179MUV No.09035EBT04 ●D escription The BD8179MUV is a system po wer supply IC for TFT panels. A 1-chip IC providing a total of three voltages required for TFT panels, i.e., source v oltage, gate high-level, and gate low-l evel voltage, thus constructing a TFT p anel power supply with minimal componen ts required. ●Features 1) Step Up DC/ DC Converter. 2) Incorporates 18V, 3.0A N-channel FET 3) Linear-Regulator Cont rollers for VGON and VGOFF 4) 5 channel Operational Amplifiers/±150mA Output Short-Circuit Current 40V / µs Slew Ra te 5) Switching Frequency: 1200

BD8179MUV Datasheet, 5V Input Multi-channel System Power Supply IC

BD8179MUV   BD8179MUV  
kHz. 6) Gate Shading Function Included. 7) Protection Circuits 8) Over Current Protection 9) Timer Latch Mode Short C urrent Protection. 10) Thermal Shut Dow n. 11) Under Voltage Protection. 12) Ov er Voltage Protection 13) VQFN032V5050 Package ●Applications Liquid crystal TV, PC monitor, and TFT-LCD panel ●Ab solute maximum ratings (Ta = 25℃) Par ameter Power Supply Voltage VMAIN Volta ge SUP Voltage DRVP Voltage DRVN Voltag e SRC Voltage CTL Voltage Junction Temp erature Power Dissipation Operating Tem perature Range Storage Temperature Rang e Symbol VIN VMAIN VSUP VDRVP VDRVN VSR C VCTL Tjmax Pd Topr Tstg Limit 7 20 20 40 -30 40 7 150 4560 -40~85 -55~15 0 Unit V V V V V V V ℃ mW ℃ ℃ * Reduced by 19.52 mW/℃ over 25℃, whe n mounted on a glass epoxy board. (4-la yer 74.2 mm  74.2 mm  1.6 mm). Operating Condition Parameter Power S upply Voltage VMAIN Voltage SUP Voltage DRVP Voltage DRVN Voltage SRC Voltage Symbol VIN VMAIN VSUP VDRVP VDRVN VSRC Limit Min. 2.6 8 Max. 5.5 18 18 38 -20 38 Unit V V V V V V www.rohm.com © 20 09 ROHM Co., Ltd. All rights reserved. 1/12 2009.07 - Rev.B Free Datasheet h ttp://www.datasheet4u.com/ BD8179MUV Technical Note ●Electrical Character istics (Unless otherwise specified, VIN = 3.3V; VSUP = 12 V; VGON = 25 V; VGOFF = -6V; Ta = 25℃) 1 DC/DC CONVERTER CONT








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