EL7630 Datasheet (Renesas) - White LED Boost Regulator

EL7630, White LED Boost Regulator

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

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

EL7630 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 F