LT1301IS8 datasheet, PDF - EEWORLD Datasheet

LT1301IS8: DescriptionConv DC-DC 1.8V to 10V Step Up Single-Out 5V/12V 0.12A 8-Pin SOIC N; File Size241KB，12 Pages; ManufacturerADI; Websitehttps://www.analog.com

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LT1301IS8 Overview

Conv DC-DC 1.8V to 10V Step Up Single-Out 5V/12V 0.12A 8-Pin SOIC N

LT1301IS8 Parametric

Parameter Name	Attribute value
EU restricts the use of certain hazardous substances	Not Compliant
ECCN (US)	EAR99
Part Status	Unconfirmed
SVHC	Yes
SVHC Exceeds Threshold	Yes
Type	Step Up
Output Type	Fixed
Switching Frequency (kHz)	185
Switching Regulator	Yes
Number of Outputs	1
Output Voltage (V)	12\|5
Maximum Output Current (A)	0.12
Minimum Input Voltage (V)	1.8
Maximum Input Voltage (V)	10
Operating Supply Voltage (V)	1.8 to 10
Typical Quiescent Current (uA)	120
Line Regulation	0.15%/V
Efficiency (%)	89
Minimum Operating Temperature (°C)	-40
Maximum Operating Temperature (°C)	85
Supplier Temperature Grade	Industrial
Pin Count	8
Standard Package Name	SOP
Supplier Package	SOIC N
Mounting	Surface Mount
Package Height	1.5(Max)
Package Length	5(Max)
Package Width	3.99(Max)
PCB changed	8
Lead Shape	Gull-wing

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LT1301

Micropower High Efficiency

5V/12V Step-Up DC/DC

Converter for Flash Memory

FEATURES

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 program-

mable 5V or 12V output via a logic-controlled input, no-

load quiescent current of 120µA and a shutdown pin which

reduces supply current to 10µA. 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 sur-

face mount inductors and capacitors. Operation is guaran-

teed 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.

Burst Mode is a trademark of Linear Technology Corporation.

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

120µA Quiescent Current

Shutdown to 10µA

Programmable 5V or 12V Output

Low V

CESAT

Switch: 170mV at 1A Typical

LIM

Pin Programs Peak Switch Current

Uses Inexpensive Surface Mount Inductors

8-Lead DIP or SOIC Package

APPLICATIONS

Flash Memory V

Generator

Palmtop Computers

Portable Instruments

Bar-Code Scanners

Personal Digital Assistants

PCMCIA Cards

TYPICAL APPLICATIONS

3.3V

SELECT

33µH

Output Voltage

12V

OUTPUT

12V

OUT

2V/DIV

SENSE

47µF

SHUTDOWN SHDN

PGND

LIM

GND

N/C

33µF

20V

0.1µF*

SHUTDOWN

10V/DIV

1ms/DIV

LT1301 F1

EFFICIENCY (%)

LT1301

*REQUIRED FOR 5V OUTPUT

L1 = COILCRAFT DO3316-333

OR SUMIDA CD73-330KC

D1 = 1N5817 OR MOTOROLA

MBRS130LT3

C1 = AVX TPSD476M016R0100

OR SANYO OS-CON 165A47M

C2 = AVX TPSD336M020R0100

OR SANYO OS-CON 205A33M

= 5V, V

OUT

= 12V

LOAD = 100Ω

LT1301 TAO1

Figure 1. 3.3V/5V to 12V Step-Up Converter

Efficiency

100

LOAD CURRENT (mA)

300

LT1301 TA2

= 5V

= 3.3V

LT1300 F2

LT1301IS8 Related Products

	LT1301IS8	LT1301CN8#PBF	LT1301CN8	LT1301CS8#PBF	LT1301CS8#TRPBF	LT1301CS8	LT1301IN8#PBF	LT1301IS8#PBF	LT1301IS8#TRPBF
Description	Conv DC-DC 1.8V to 10V Step Up Single-Out 5V/12V 0.12A 8-Pin SOIC N	Conv DC-DC 1.8V to 10V Step Up Single-Out 5V/12V 0.12A 8-Pin PDIP N Tube	Conv DC-DC 1.8V to 10V Step Up Single-Out 5V/12V 0.12A 8-Pin PDIP N	Conv DC-DC 1.8V to 10V Step Up Single-Out 5V/12V 0.12A 8-Pin SOIC N Tube	Conv DC-DC 1.8V to 10V Step Up Single-Out 5V/12V 0.12A 8-Pin SOIC N T/R	Conv DC-DC 1.8V to 10V Step Up Single-Out 5V/12V 0.12A 8-Pin SOIC N	Conv DC-DC 1.8V to 10V Step Up Single-Out 5V/12V 0.12A 8-Pin PDIP N Tube	Conv DC-DC 1.8V to 10V Step Up Single-Out 5V/12V 0.12A 8-Pin SOIC N Tube	Conv DC-DC 1.8V to 10V Step Up Single-Out 5V/12V 0.12A 8-Pin SOIC N T/R
EU restricts the use of certain hazardous substances	Not Compliant	Compliant	Not Compliant	Compliant	Compliant	Not Compliant	Compliant	Compliant	Compliant
ECCN (US)	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
Part Status	Unconfirmed	Active	Unconfirmed	Active	Active	Unconfirmed	Active	Active	Active
Type	Step Up	Step Up	Step Up	Step Up	Step Up	Step Up	Step Up	Step Up	Step Up
Output Type	Fixed	Fixed	Fixed	Fixed	Fixed	Fixed	Fixed	Fixed	Fixed
Switching Frequency (kHz)	185	185	185	185	185	185	185	185	185
Switching Regulator	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Number of Outputs	1	1	1	1	1	1	1	1	1
Output Voltage (V)	12\|5	12\|5	5\|12	5\|12	12\|5	5\|12	12\|5	12\|5	5\|12
Maximum Output Current (A)	0.12	0.12	0.12	0.12	0.12	0.12	0.12	0.12	0.12
Minimum Input Voltage (V)	1.8	1.8	1.8	1.8	1.8	1.8	1.8	1.8	1.8
Maximum Input Voltage (V)	10	10	10	10	10	10	10	10	10
Operating Supply Voltage (V)	1.8 to 10	1.8 to 10	1.8 to 10	1.8 to 10	1.8 to 10	1.8 to 10	1.8 to 10	1.8 to 10	1.8 to 10
Typical Quiescent Current (uA)	120	120	120	120	120	120	120	120	120
Line Regulation	0.15%/V	0.15%/V	0.15%/V	0.15%/V	0.15%/V	0.15%/V	0.15%/V	0.15%/V	0.15%/V
Efficiency (%)	89	89	89	89	89	89	89	89	89
Maximum Operating Temperature (°C)	85	70	70	70	70	70	85	85	85
Supplier Temperature Grade	Industrial	Commercial	Commercial	Commercial	Commercial	Commercial	Industrial	Industrial	Industrial
Pin Count	8	8	8	8	8	8	8	8	8
Standard Package Name	SOP	DIP	DIP	SOP	SOP	SOP	DIP	SOP	SOP
Supplier Package	SOIC N	PDIP N	PDIP N	SOIC N	SOIC N	SOIC N	PDIP N	SOIC N	SOIC N
Mounting	Surface Mount	Through Hole	Through Hole	Surface Mount	Surface Mount	Surface Mount	Through Hole	Surface Mount	Surface Mount
Package Height	1.5(Max)	3.3	3.3	1.5(Max)	1.5(Max)	1.5(Max)	3.3	1.5(Max)	1.5(Max)
Package Length	5(Max)	10.16(Max)	10.16(Max)	5(Max)	5(Max)	5(Max)	10.16(Max)	5(Max)	5(Max)
Package Width	3.99(Max)	6.48	6.48	3.99(Max)	3.99(Max)	3.99(Max)	6.48	3.99(Max)	3.99(Max)
PCB changed	8	8	8	8	8	8	8	8	8
Lead Shape	Gull-wing	Through Hole	Through Hole	Gull-wing	Gull-wing	Gull-wing	Through Hole	Gull-wing	Gull-wing
HTS	-	8542.39.00.01	-	-	8542.39.00.01	8542.39.00.01	8542.39.00.01	8542.39.00.01	8542.39.00.01
Packaging	-	Tube	-	Tube	Tape and Reel	-	Tube	Tube	Tape and Reel

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