低电压同步降压控制器

Favorite

概览

NCP81147 是一款单相方案,带有差分相电流感应、同步输入、远程接地节电运行和门极驱动器,可提供准确调节的功率。自适应非覆盖门极驱动器和节电运行电路可为服务器、笔记本电脑和台式机系统提供低开关损耗和高能效方案。提供高性能运行误差放大器,简化了系统的补偿。NCP81147 特性还包括软启动序列、准确过电压和过电流保护、用于电源轨的 UVLO,以及高温关断。

  • Desktop and Server Systems
  • Internal High Performance Operational Amplifier
  • Supports 5.0 V to 19 V input
  • 5.0 V to 12 v operation
  • Chip enable feature through the OSC pin
  • Integrated MOSFET drivers
  • Guaranteed startup into pre-charged loads
  • Thermal shutdown protection
  • Overvoltage and over current protection
  • Internal softstart / stop
  • Oscillator frequency range of 100 kHz to 1000 kHz
  • Power Saving Mode
  • OCP accuracy, Four re-entry times before latch
  • Lossless differential inductor current sensing
  • Internal High precision current sensing amplifier
  • 20ns Adaptive FET non-overlap time of internal Gate Driver
  • Vout from 0.8V to 3.3V (5V with 12V VCC)
  • Thermally compensated current monitoring
  • Integrated Boost diode with internal Rbst=2.2
  • Load Operation
  • Sync Function
  • Remote Ground Sensing

Product List

If you wish to buy products or product samples, please log in to your onsemi account.

搜寻

Close Search

产品:

1

分享

Product Groups:

Orderable Parts:

1

产品

状况

CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Topology

Phases

Control Mode

VCC Min (V)

VCC Max (V)

fSW Typ (kHz)

Reference Price

NCP81147MNTXG

Loading...

Active

CAD Model

Pb

A

H

P

QFN-16

1

260

REEL

3000

N

Step-Down

1

-

4.5

13.2

-

$0.5733

More Details

Show More

1-25 of 25

Products per page

Jump to :