TK11840L-G Datasheet (TOKO) - Step-up DC-DC converter / white LED driver IC

TK11840L-G, Step-up DC-DC converter / white LED driver IC

The TK11840L-G is a step-up DC-DC converter that drives an external NPN power transistor using a constant frequency PWM architecture.

The IC works with a wide operating supply range (1.8V to 10V) and has an adjustable output.

The IC timing oscillator operating frequency is programmable and can be se

TK11840L-G Features

* Operation from 1.8V to 10.0V supply

* Adjustable output voltage

* High speed adjustable OSC: up to 1MHz

* Incorporates a soft start circuit

* Incorporates a short circuit detection of a timer-latch

* Totem-pole type output in which drive current is a