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DC-DC LED Drivers | NCP5005

LED Driver, Boost, Compact Backlight

Obsolete

Datasheet

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Overview

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.

  • 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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Reliability Data

Die Related Summary Data

Device: NCP5005SNT1G

Equivalent to wafer fab process: CMOS STD

Product Technology

Product Technology

Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

CMOS STD

3

3597164517

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Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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