Product Summary

The LT1111CS8#TR is a versatile micropower DC/DC converter. The device requires only three external components to deliver a fixed output of 5V or 12V. Supply voltage ranges from 2V to 12V in step-up mode and to 30V in step-down mode. The LT1111CS8#TR functions equally well in step-up, stepdown, or inverting applications. The applications of the LT1111CS8#TR include 3V to 5V, 5V to 12V Converters, 9V to 5V, 12V to 5V Converters, Remote Controls, Peripherals and Add-On Cards, Battery Backup Supplies, Uninterruptible Supplies, Laptop and Palmtop Computers, Cellular Telephones, Portable Instruments, Flash Memory VPP Generators.

Parametrics

LT1111CS8#TR absolute maximum ratings: (1)Supply Voltage (VIN): 36V; (2)SW1 Pin Voltage (VSW1): 50V; (3)SW2 Pin Voltage (VSW2): -0.5V to VIN; (4)Feedback Pin Voltage (LT1111): 5.5V; (5)Switch Current: 1.5A; (6)Maximum Power Dissipation: 500mW.

Features

LT1111CS8#TR features: (1)Uses Off-the-Shelf Inductors; (2)Only 33mH Inductor Required; (3)Low Cost; (4)3-Lead TO-92, SO8, or 8-Pin DIP; (5)Adjustable or Fixed 5V or 12V Output; (6)120kHz Oscillator; (7)Only Three External Components Required; (8)320mA IQ; (9)1.6V Minimum Start-Up Voltage; (10)Logic Controlled Shutdown.

Diagrams

LT1111CS8#TR block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
LT1111CS8#TR
LT1111CS8#TR


IC REG BUCK BOOST INV ADJ 8SOIC

Data Sheet

0-2500: $1.71
LT1111CS8#TRPBF
LT1111CS8#TRPBF


IC REG BUCK BOOST INV ADJ 8SOIC

Data Sheet

0-2500: $1.71