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LT1300CN8#PBF

Description
Conv DC-DC 1.8V to 10V Step Up Single-Out 3.3V/5V 0.22A 8-Pin PDIP N Tube
File Size207KB,8 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Parametric Compare View All

LT1300CN8#PBF Overview

Conv DC-DC 1.8V to 10V Step Up Single-Out 3.3V/5V 0.22A 8-Pin PDIP N Tube

LT1300CN8#PBF Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)EAR99
Part StatusActive
HTS8542.39.00.01
TypeStep Up
Output TypeFixed
Switching Frequency (kHz)185
Switching RegulatorYes
Number of Outputs1
Output Voltage (V)5|3.3
Maximum Output Current (A)0.22
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 Regulation0.15%/V
Efficiency (%)88
Minimum Operating Temperature (°C)0
Maximum Operating Temperature (°C)70
Supplier Temperature GradeCommercial
PackagingTube
Supplier PackagePDIP N
Pin Count8
Standard Package NameDIP
MountingThrough Hole
Package Height3.3
Package Length10.16(Max)
Package Width6.48
PCB changed8
Lead ShapeThrough Hole
LT1300
Micropower High Efficiency
3.3/5V Step-Up DC/DC Converter
FEATURES
s
s
s
s
s
s
s
s
s
s
s
DESCRIPTION
The LT1300 is a micropower step-up DC/DC converter that
utilizes Burst Mode™ operation. The device can deliver 5V
or 3.3V from a two-cell battery input. It features program-
mable 5V or 3.3V 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 to program peak switch current with a single
resistor allowing the use of less expensive and smaller
inductors and capacitors in lighter load applications. The
LT1300 is available in an 8-lead SOIC package, minimizing
board space requirements. For a 5V/12V Selectable Out-
put Converter see the LT1301. For increased output cur-
rent see the LT1302.
Burst Mode is a trademark of Linear Technology Corporation.
Up to 220mA Output Current at 5V from 2V Supply
Supply Voltage as Low as 1.8V
Up to 88% Efficiency
Small Inductor –10µH
120µA Quiescent Current
Shutdown to 10µA
Programmable 3.3V or 5V Output
I
LIM
Pin Programs Peak Switch Current
Low V
CESAT
Switch: 170mV at 1A Typical
Uses Inexpensive Surface Mount Inductors
8-Lead DIP or SOIC Package
APPLICATIONS
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s
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Palmtop Computers
Portable Instruments
Bar-Code Scanners
DC/DC Converter Module Replacements
Battery Backup Supplies
Personal Digital Assistants
PCMCIA Cards
TYPICAL APPLICATIONS
N
Two-Cell to 3.3V/5V Step-Up Converter
L1
10µH
6
V
IN
5V/3.3V 2
SELECT
SELECT
LT1300
3
SHDN
PGND
8
I
LIM
GND
1
5
N/C
7
SW
SENSE
4
86
EFFICIENCY (%)
5V Output Efficiency
5V/3.3V
OUTPUT
90
88
V
IN
= 4.0V
V
IN
= 3.0V
V
IN
= 2.5V
V
IN
= 2.0V
D1
AA
CELL
+
C1
100µF
SHUTDOWN
+
C1
100µF
84
82
80
78
L1 = COILCRAFT DO1608-103
OR SUMIDA CD54-100
C1 = AVX TPSD107M010R0100
OR SANYO OS-CON 16SA100M
D1 = MBRS130LT3
OR 1N5817
LT1300 TA1
76
74
1
10
100
LOAD CURRENT (mA)
500
LT1300 TA2
U
U
U
1

LT1300CN8#PBF Related Products

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Description Conv DC-DC 1.8V to 10V Step Up Single-Out 3.3V/5V 0.22A 8-Pin PDIP N Tube Conv DC-DC 1.8V to 10V Step Up Single-Out 3.3V/5V 0.22A 8-Pin SOIC N Tube Conv DC-DC 1.8V to 10V Step Up Single-Out 3.3V/5V 0.22A 8-Pin SOIC N T/R Conv DC-DC 1.8V to 10V Step Up Single-Out 3.3V/5V 0.22A 8-Pin SOIC N
EU restricts the use of certain hazardous substances Compliant Compliant Compliant Not Compliant
ECCN (US) EAR99 EAR99 EAR99 EAR99
Part Status Active Active Active Unconfirmed
Type Step Up Step Up Step Up Step Up
Output Type Fixed Fixed Fixed Fixed
Switching Frequency (kHz) 185 185 185 185
Switching Regulator Yes Yes Yes Yes
Number of Outputs 1 1 1 1
Output Voltage (V) 5|3.3 3.3|5 3.3|5 3.3|5
Maximum Output Current (A) 0.22 0.22 0.22 0.22
Minimum Input Voltage (V) 1.8 1.8 1.8 1.8
Maximum Input Voltage (V) 10 10 10 10
Operating Supply Voltage (V) 1.8 to 10 1.8 to 10 1.8 to 10 1.8 to 10
Typical Quiescent Current (uA) 120 120 120 120
Line Regulation 0.15%/V 0.15%/V 0.15%/V 0.15%/V
Efficiency (%) 88 88 88 88
Maximum Operating Temperature (°C) 70 70 70 70
Supplier Temperature Grade Commercial Commercial Commercial Commercial
Supplier Package PDIP N SOIC N SOIC N SOIC N
Pin Count 8 8 8 8
Standard Package Name DIP SOP SOP SOP
Mounting Through Hole Surface Mount Surface Mount Surface Mount
Package Height 3.3 1.5(Max) 1.5(Max) 1.5(Max)
Package Length 10.16(Max) 5(Max) 5(Max) 5(Max)
Package Width 6.48 3.99(Max) 3.99(Max) 3.99(Max)
PCB changed 8 8 8 8
Lead Shape Through Hole Gull-wing Gull-wing Gull-wing
HTS 8542.39.00.01 8542.39.00.01 - 8542.39.00.01
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