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LT1301, LT1301CN8, LT1301CS

Table of contents:
Info of LT1301
Info of LT1301CN8
Info of LT1301CS

LT1301, LT1301CN8, LT1301CS Selling Leads, Datasheet

MFG:Linear Technology Category:Integrated Circuits (ICs) Package Cooled:N/A D/C:49

LT1301, LT1301CN8, LT1301CS Datasheet download

Five Points

Part Number: LT1301

Category: Integrated Circuits (ICs)

MFG: Linear Technology

Package Cooled: N/A

D/C: 49

Description: IC DC/DC CONV STP-UP HI-EFF 8DIP

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LT1301 General Description

The LT1301 is a micropower step-up DC/DC converter that utilizes Burst Mode™ operation. The device can deliver 5V or 12V from a two-cell battery input. It features programmable 5V or 12V output via a logic-controlled input, noload quiescent current of 120A and a shutdown pin which reduces supply current to 10A. The on-chip power switch has a low 170mV saturation voltage at a switch current of 1A, a four-fold reduction over prior designs. A 155kHz internal oscillator allows the use of extremely small surface mount inductors and capacitors. Operation is guaranteed at 1.8V input. This allows more energy to be extracted from the battery, increasing operating life. The I_LIM pin can be used for soft start or to program peak switch current with a single resistor allowing the use of even smaller inductors in lighter load applications. The LT1301 is available in an 8-lead SOIC package, minimizing board space requirements. For a selectable 3.3V/5V step-up converter, please see the LT1300. For higher output power, see the LT1302.

LT1301 Maximum Ratings

V_IN Voltage .............................................................. 10V
SW1 Voltage ............................................................ 20V
Sense Voltage .......................................................... 20V
Shutdown Voltage ................................................... 10V
Select Voltage .......................................................... 10V
I_LIM Voltage ............................................................ 0.5V
Maximum Power Dissipation ................................500mW
Operating Temperature Range
LT1301C .................................................0°C to 70°C
LT1301I ................................................40°C to 85°C
Storage Temperature Range ..............65°C to 150°C
Lead Temperature (Soldering, 10 sec)..................300°C

LT1301 Features

12V at 120mA from 5V or 3.3V Supply
Supply Voltage as Low as 1.8V
Better High Current Efficiency Than CMOS
Up to 89% Efficiency
120A Quiescent Current
Shutdown to 10A
Programmable 5V or 12V Output
Low V_CESAT Switch: 170mV at 1A Typical
I_LIM Pin Programs Peak Switch Current
Uses Inexpensive Surface Mount Inductors
8-Lead DIP or SOIC Package

LT1301 Typical Application

Flash Memory V_PP Generator
Palmtop Computers
Portable Instruments
Bar-Code Scanners
Personal Digital Assistants
PCMCIA Cards

LT1301 Connection Diagram

LT1301CN8 Parameters

Technical/Catalog Information	LT1301CN8
Vendor	Linear Technology
Category	Integrated Circuits (ICs)
Type	Step-Up (Boost)
Number of Outputs	1
Voltage - Input	1.8 ~ 10 V
Voltage - Output	5V, 12V
Current - Output	-
Power - Output	500mW
Package / Case	8-DIP (300 mil)
Packaging	Tube
Internal Switch(s)	Yes
Synchronous	No
Rds (On)	-
Operating Temperature	0°C ~ 70°C
Frequency - Switching	155kHz
Drawing Number	161; 05-08-1510; N; 8
Lead Free Status	Contains Lead
RoHS Status	RoHS Non-Compliant
Other Names	LT1301CN8 LT1301CN8

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