LTM8042
Production
The LTM8042 is a complete µModule® (power module) Boost LED Driver specifically designed to drive LEDs up to 1A, while the LTM8042-1 drives up to 350mA...
Datasheet
LTM8042 on Analog.com
Regarding the LTM8042 PWM dimming: When the PWM dimming signal goes from LOW to HIGH, how long does it take the LED Current to reach its 100% of its setting? Also how long does the turn off time take from when PWM goes from HIGH to LOW for to reach 0% output current?