IC manufacturers Onsemi

IC manufacturers (99)

Onsemi NCP5005

Compact Backlight LED Boost Driver

Overview

TopologyBoost Converter
Input voltage2.7-5.5 V
Switching frequency1200 kHz
Output 124 V / 0.05 A
IC revision1

Description

The NCP5005 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 in Series
  • Built−in Overvoltage Protection
  • Full EMI Immunity
  • 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

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

Products

Order Code Data­sheet Simu­lation Downloads Status Product seriesL
(µH)
IR
(A)
ISAT
(A)
fres
(MHz)
Mount Samples
744031220SPEC
8 files Active i| Production is active. Expected lifetime: >10 years.WE-TPC SMT Tiny Power Inductor 22 0.51 0.36 26 SMT
Order Code Data­sheet Simu­lation
744031220SPEC
Samples
Order Code Data­sheet Simu­lation Downloads Status Product seriesL
(µH)
IR
(A)
ISAT
(A)
fres
(MHz)
Mount Samples