双同步降压控制器

Favorite

概览

NCP5425 是一款非常灵活的双降压控制器,带有内部门极驱动器,可在多个配置中配合使用两个输入电源以及一个或两个输出。 该零件包含了两个独立同步双 NFET 降压稳压器所需的所有电路,它使用前馈电压模式控制模式。NCP5425 可基于 4.6 至 12 V 的单电源运行,支持单两相或双单相输出。 用作双输出控制器时,第二个输出会从第一个开始跟踪电压瞬变。 还支持用于低噪声应用的功率间隔,以及独立的按周期电流限制。 该零件采用 20 引脚 TSSOP 封装,让设计人员能够最大程度减小 PCB 面积。

  • Operation Over 4.6 to 13.2 Volts
  • Dual Synchronous Buck Design
  • Programmable Power Sharing and Budgeting from Two Independent Supplies
  • 0.8 Volt +/- 1% Reference for Low Voltage Outputs
  • 1.5A Peak Power Drive
  • Switch Blanking for Noise Sensitive Applications through use of ROSC Pin
  • Programmable Frequency, 150 kHz to 750 kHz Operation
  • Programmable Soft-Start
  • Cycle-to-Cycle Overcurrent Protection
  • Independent Programmable Current Limits
  • 100% Duty Cycle for Fast Transient Response
  • Internal Slope Compensation
  • Out-of-Phase Synchronization between the Controllers
  • These are Pb-Free Devices
  • Configurable as a Single Two Phase Output or Two Single Phase Outputs
  • Input Undervoltage Lockout
  • On/Off Enable through use of the COMP Pins
  • Power Supply Sequencing

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

NCP5425DBR2G

Loading...

Active

CAD Model

Pb

A

H

P

TSSOP-20

1

260

REEL

2500

N

Step-Down

1

V2

4.75

13.2

750

$1.1258

More Details

Show More

1-25 of 25

Products per page

Jump to :