Semtech SC667

Features

• Seven LED backlight sinks with 32 current settings from 0mA to 25mA
• Up to four LED backlight banks
• Lighting effects — fade-in/fade-out, breathe, blink, auto-dim full, and auto-dim partial functions
• ADP (Automatic Dropout Prevention) for backlights
• ALS (Ambient Light Sense) option sets the backlight brightness according to ambient lighting conditions
• I2C Bus fast mode and standard mode
• IRQ (Interrupt request) — open-drain output indicates a change of state for the ALS
• Backlight current accuracy — ±1.5% typical
• Backlight current matching — ±0.5% typical
• Four programmable 200mA low-noise LDO regulators
• PWM interface (200Hz to 50kHz) with internal digital low-pass filter
• Automatic sleep mode with all LEDs off
• Shutdown current — 0.1μA typical
• Ultra-thin package — 3 x 3 x 0.6 (mm)
• Lead-free and halogen-free
• WEEE and RoHS compliant

I2C logo is a trademark of NXP B.V.

Applications

• Cellular phones, smart phones, and PDAs
• LCD modules
• Portable media players and digital cameras
• Personal navigation devices
• Display/keypad backlighting and LED indicators

Packaging

• MLPQ-UT-20

Order Codes

• SC667EVB
• SC667ULTRT - Lead-free, WEEE and RoHS compliant and halogen-free