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

Manufacturer: TOKO

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Datasheet Details

Part number TK11840L-G
Manufacturer TOKO
File Size 234.86 KB
Description Step-up DC-DC converter / white LED driver IC
Datasheet download datasheet TK11840L-G Datasheet

General Description

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 set up to 1MHz.

Overview

www.DataSheet4U.com POWER&RF Step-up DC-DC converter / white LED driver IC 昇圧型DC-DCコンバータ / 白色LEDドライバIC.

Key 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 adjustable using an switching resistor: pin 4.
  • 1µA or less shutdown current.
  • Small package: SOT23L-8.
  • 低動作最低電源電圧: VOP=1.8~10.

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