DC-DC LED Drivers | NCP5005

LED 驱动器，升压，紧凑型，背景灯

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概览

NCP5005 是一款基于 PFM 模式的、在电流环路中运行的高能效升压转换器，用于驱动白色 LED。该电流模式调节可实现 LED 的统一亮度。该芯片已经针对小型陶瓷电容器进行优化，能够提供高达 1.0 W 的输出功率。

  • LED Display Back Light Control
  • Keyboard Back Light
  • High Efficiency Step up Converter
  • 2.7 to 5.5 V Input Voltage Range
  • Vout to 24 V Output Compliance allows up to 5 LEDs drive in Series
  • Buil-in Overvoltage protection
  • Full EMI Immunity
  • Inductor Based Converter brings up to 90% Efficiency
  • Constant Output Current regulation
  • 0.3 µA Stand By Quiescent Current
  • Includes Dimming Function (PWM)
  • Enable Function Driven Directly from Low Battery Voltage Source
  • Automatic LEDs Current Matching
  • Thermal Shutdown Protection
  • All Pins are Fully ESD Protected
  • Low EMI Radiation

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NCP5005SNT1G

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Obsolete

CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

483

1

260

REEL

3000

N

Step-Up

2.7

20

22

50

1200

Price N/A

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