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reference designNCP5006

Onsemi NCP5006

Compact Backlight LED Boost Driver

Overview

TopologyBoost Converter
Input voltage2.7-5.5 V
Switching frequency1200 kHz
Output 124 V / 0.05 A
IC revision2

Description

The NCP5006 is a high efficiency boost converter operating in current loop, based on a PFM mode, to drive White LED. The current mode regulation allows a uniform brightness of the LEDs. The chip has been optimized for small ceramic capacitors, capable to supply up to 1.0 W output power.

Features

  • 2.7 to 5.5 V Input Voltage Range
  • Vout to 24 V Output Compliance Allows up to 5 LEDs Drive inSeries
  • Built−in Overvoltage Protection
  • Inductor Based Converter brings up to 90% Efficiency
  • Constant Output Current Regulation
  • 0.3 A Standby 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
  • Pb−Free Package is Available

Typical applications

  • Keyboard Back Light
  • High Efficiency Step Up Converter
  • LED Display Back Light Control

More information

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744031220
SPECWE-TPC SMT Tiny Power Inductor, 22 µH, 0.51 A
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-TPC SMT Tiny Power Inductor
Inductance22 µH
Rated Current0.51 A
Saturation Current0.36 A
Self Resonant Frequency26 MHz
MountSMT 
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