EL7630 - Renesas

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 Frequency TA = 25°C 0.8 1.35 0.8 1.35 DMAX Maximum Duty Cycl.

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
• Enable/PWM dimming control
• Pb-free plus anneal available (RoHS compliant) Applications
• LED backlighting
• Cell phones
• PDAs
• Handheld devices Or.