LED 驱动器,降压-升压转换器,固定频率,PWM

Last Shipments

概览

NCP5030 是一款固定频率 PWM 降压-升压转换器,适用于驱动大功率白色 LED 等恒定电流应用。降压-升压在 H 桥拓扑结构中实施,具有自适应结构,以三种模式之一运行:升压、降压-升压或降压,具体取决于输入和输出电压条件。此器件适用于在便携式应用中实现高能效,能够为手电筒/探照灯应用以高达 900 mA 的直流电路驱动大功率 LED。为了保护该器件,结合了按周期电流限制和高温关断电路,以及输出过电压保护。700 kHz 开关频率允许使用低值 4.7 µH 和陶瓷电容器。

  • LED Drive from Alkaline Batteries

  • Flash Lights

  • Efficiency: 87% at 500 mA and 3.3 V VIN
  • Internal Synchronous Rectifier, No Schottky Diodes
  • Adjustable Switching Limit Current to Optimize inductor size
  • 0.3 µA Shut-down Control with True-Cut off
  • Input Voltage Range from 2.7 V to 5.5 V
  • 200 mV Feedback Voltage
  • Output Over-voltage and Thermal Shut Down Protection

Tools and Resources

Product services, tools and other useful resources related to NCP5030

Buy/Parametrics Table

搜寻

Close Search

产品:

1

分享

产品系列:

可订购器件:

1

产品

状态

CAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Topology

VIN Min (V)

VIN Max (V)

VO Max (V)

IO Max (mA)

fSW Typ (kHz)

Reference Price

Last Shipments

CAD Model

Pb

A

H

P

WDFN-12

1

260

REEL

3000

N

Step-Up/Step-Down

2.7

5.5

5.5

1200

700

Price N/A

More Details

Show More

1-25 of 25

Products per page

Jump to :

contact sales icon

Support on the go

Find and compare products, get support and connect with onsemi sales team.