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NCP5901BMNTBG

NCP5901BMNTBG

  • 厂商:

    ONSEMI(安森美)

  • 封装:

    VFDFN8

  • 描述:

    IC GATE DRVR HALF-BRIDGE 8DFN

  • 数据手册
  • 价格&库存
NCP5901BMNTBG 数据手册
NCP5901B MOSFET Driver, VR12 Compatible, Synchronous Buck The NCP5901B is a high performance dual MOSFET gate driver optimized to drive the gates of both high−side and low−side power MOSFETs in a synchronous buck converter. It can drive up to 3 nF load with a 25 ns propagation delay and 20 ns transition time. Adaptive anti−cross−conduction and power saving operation circuit can provide a low switching loss and high efficiency solution for notebook and desktop systems. Bidirectional EN pin can provide a fault signal to controller when the gate driver fault detect under OVP, UVLO occur. Also, an under−voltage lockout function guarantees the outputs are low when supply voltage is low. http://onsemi.com 8 1 1 SOIC−8 NB D SUFFIX CASE 751 DFN8 MN SUFFIX CASE 506AA Features • • • • • • • • • • • • Faster Rise and Fall Times Adaptive Anti−Cross−Conduction Circuit Integrated Bootstrap Diode Pre OV function ZCD Detect Floating Top Driver Accommodates Boost Voltages of up to 35 V Output Disable Control Turns Off Both MOSFETs Under−voltage Lockout Power Saving Operation Under Light Load Conditions Direct Interface to NCP6151 and Other Compatible PWM Controllers Thermally Enhanced Package These are Pb−Free Devices MARKING DIAGRAMS 8 5901B ALYW G 1 5901B A L Y W G = Specific Device Code = Assembly Location = Wafer Lot = Year = Work Week = Pb−Free Package 1 Typical Applications AZMG G AZ = Specific Device Code M = Date Code G = Pb−Free Device • Power Solutions for Desktop Systems ORDERING INFORMATION Device Package Shipping† NCP5901BMNTBG DFN8 3000 / Tape & Reel (Pb−Free) NCP5901BDR2G SOIC−8 2500 / Tape & Reel (Pb−Free) †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specification Brochure, BRD8011/D. © Semiconductor Components Industries, LLC, 2013 June, 2013 − Rev. 2 1 Publication Order Number: NCP5901B/D NCP5901B BST DRVH 1 PWM SW FLAG 9 EN GND VCC DRVL (Top View) Figure 1. Pin Diagram BST VCC DRVH PWM Logic SW Anti−Cross Conduction VCC DRVL EN Fault ZCD Detection UVLO Pre−OV Figure 2. Block Diagram Table 1. Pin Descriptions Pin No. Symbol Description 1 BST Floating bootstrap supply pin for high side gate driver. Connect the bootstrap capacitor between this pin and the SW pin. 2 PWM Control input. The PWM signal has three distinctive states: Low = Low Side FET Enabled, Mid = Diode Emulation Enabled, High = High Side FET Enabled. 3 EN 4 VCC Power supply input. Connect a bypass capacitor (0.1 mF) from this pin to ground. 5 DRVL Low side gate drive output. Connect to the gate of low side MOSFET. 6 GND Bias and reference ground. All signals are referenced to this node (QFN Flag). 7 SW 8 DRVH High side gate drive output. Connect to the gate of high side MOSFET. 9 FLAG Thermal flag. There is no electrical connection to the IC. Connect to ground plane. Logic input. A logic high to enable the part and a logic low to disable the part. Switch node. Connect this pin to the source of the high side MOSFET and drain of the low side MOSFET. http://onsemi.com 2 NCP5901B 12V_POWER TP1 R164 R1 1.02 R143 0.0 TP4 PWM C4 0.027uF EN C2 4.7uF TP5 + CE9 390uF TP6 GND 235nH TP7 Q9 NTMFS4851N VREG_SW1_LG LG VCCP L VREG_SW1_OUT Q10 NTMFS4851N R3 2.2 JP13_ETCH CSN11 PAD TP8 C5 1uF C3 4.7uF 0.0 VREG_SW1_HG HG VCC C1 4.7uF R142 PWM SW DRON TP2 0.0 NCP5901BTP3 BST Q1 NTMFS4821N C6 2700pF JP14_ETCH CSP11 Figure 3. Application Circuit Table 2. ABSOLUTE MAXIMUM RATINGS Pin Symbol Pin Name VMAX VMIN VCC Main Supply Voltage Input 15 V −0.3 V BST Bootstrap Supply Voltage 35 V wrt/ GND 40 V ≤ 50 ns wrt/ GND 15 V wrt/ SW −0.3 V wrt/SW SW Switching Node (Bootstrap Supply Return) 35 V 40 V ≤ 50 ns −5 V −10 V (200 ns) DRVH High Side Driver Output BST+0.3 V −0.3 V wrt/SW −2 V (
NCP5901BMNTBG 价格&库存

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