NCP5005: LED Driver, Boost, Compact Backlight

The NCP5005 is 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
  • 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
Applications
  • LED Display Back Light Control
  • Keyboard Back Light
  • High Efficiency Step up Converter
Application Notes (1)
Document TitleDocument ID/SizeRevisionRevision Date
Understanding the Noise Issue Out of Inductor Based DC-DC ConverterAND8172/D (299.0kB)1
Package Drawings (1)
Document TitleDocument ID/SizeRevision
TSOP-5483 (32.5kB)M
Data Sheets (1)
Document TitleDocument ID/SizeRevisionRevision Date
LED Driver, Boost, Compact BacklightNCP5005/D (239.0kB)1
Evaluation Board Documents (4)
Document TitleDocument ID/SizeRevisionRevision Date
NCP5005GEVB Bill of Materials ROHS CompliantNCP5005GEVB_BOM_ROHS.PDF (70.0kB)0
NCP5005GEVB Gerber Layout Files (Zip Format)NCP5005GEVB_GERBER.ZIP (32.0kB)1
NCP5005GEVB SchematicNCP5005GEVB_SCHEMATIC.PDF (43.0kB)0
NCP5005GEVB Test ProcedureNCP5005GEVB_TEST_PROCEDURE.PDF (21.0kB)0
Evaluation/Development Tool Information
ProductStatusComplianceShort Description
NCP5005GEVBActivePb-free22 V Low EMI White LED Boost Driver Evaluation Board
Order Information
ProductStatusCompliancePackageMSL*ContainerBudgetary Price/Unit
NCP5005SNT1GActivePb-free Halide freeTSOP-5 / SOT-23-54831Tape and Reel3000$0.4
Specifications
ProductTopologyVIN Min (V)VIN Max (V)VO Max (V)IO Max (mA)fSW Typ (kHz)
NCP5005SNT1GStep-Up2.72022501200
LED Driver, Boost, Compact Backlight (239.0kB) NCP5005
Understanding the Noise Issue Out of Inductor Based DC-DC Converter NCP5007
NCP5005GEVB BOM ROHS NCP5005GEVB
NCP5005GEVB GERBER NCP5005GEVB
NCP5005GEVB SCHEMATIC NCP5005GEVB
NCP5005GEVB TEST PROCEDURE NCP5005GEVB
TSOP-5 NUP4004M5
NCP5005