LTM8042 Datasheet

• True Color PWM^™ with 3000:1 Dimming Ratio
• Operates in Boost, Buck Mode or Buck-Boost Mode
• Wide Input Voltage Range:
  • Operation from 3V to 30V
  • Transient Protection to 40V
• Gate Driver for Optional PWM Dimming with P-channel MOSFET
• Adjustable Frequency: 250kHz to 2MHz
• Constant-Current and Constant-Voltage Regulation
• Low Shutdown Current: <1μA
• RoHS Compliant Package with Gold Pad Finish
• Tiny, Low Profile (9mm × 15mm × 2.82mm) Surface Mount LGA Package

• Display Backlighting
• Automotive and Avionic Lighting
• Illumination
• Scanners

The LTM8042 is a complete μModule^® (power module) Boost LED Driver specifically designed to drive LEDs up to 1A. It combines a boost power topology with a unique current loop to operate as a constant-current source. The PWM input provides as much as 3000:1 LED dimming, while 10:1 analog dimming can be accomplished by a single resistor or analog voltage applied to the CTL pin. As with any boost topology, the LTM8042 has an uninterrupted current path between its input and output and is thus intolerant to a short-circuit or overload from the output to ground.

The LTM8042 is packaged in a thermally enhanced, compact overmolded land grid array (LGA) package. The LTM8042 is Pb-free and a RoHS compliant.