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EL7630 - White LED Boost Regulator

Description

CONDITION MIN TYP VIN-MIN VIN-MAX VFB Minimum Operating Voltage Maximum Operating Voltage Feedback Voltage VOUT = 16V, ILED = 20mA VOUT = 25V, ILED = 20mA TA = 25°C 2.7 86 95 80 95 IFB FB Pin Bias Current IIN Supply Current ENAB = 3V, output not switching ENAB = 0V 0.6 FOSC Switching Freq

Features

  • the same pinout as competitive products but offers higher efficiency, constant frequency operation. It is specified for operation over the -40°C to +85°C ambient temperature range. Pinouts EL7630 (6 LD SC-70) TOP VIEW LX 1 GND 2 FB 3 6 VIN 5 PGND 4 ENAB EL7630 (5 LD TSOT) TOP VIEW LX 1 GND 2 FB 3 5 VIN 4 ENAB Features.
  • Up to 6 LEDs in series.
  • 27V maximum output.
  • 2.7V to 5.5V input.
  • Up to 86% efficient.
  • 1.35MHz constant frequency.
  • Enab.

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Datasheet preview – EL7630

Datasheet Details

Part number EL7630
Manufacturer Renesas Electronics
File Size 412.73 KB
Description White LED Boost Regulator
Datasheet download datasheet EL7630 Datasheet
Additional preview pages of the EL7630 datasheet.

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Full PDF Text Transcription

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EL7630 White LED Boost Regulator NORTECROEMCOMMENMDEENDIDSERLD9E7PF6LO3A4RCNEEMWENDTEPSAIGRNTS DATASHEET FN7371 Rev 1.00 February 22, 2006 The EL7630 represents a high efficiency, constant frequency PWM regulator for use in white LED driving applications. With efficiencies up to 86%, the EL7630 operates at 1.35MHz switching frequency while operating from an input voltage of between 2.7V and 5.5V. The maximum output voltage of 27V enables the EL7630 to drive up to 6 LEDs in series. It is also possible to use the EL7630 to drive LEDs in series/parallel combination for applications requiring up to 15 LEDs. Available in the 6 Ld SC-70 and the 5 Ld TSOT packages, the EL7630 features the same pinout as competitive products but offers higher efficiency, constant frequency operation.
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