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LT1301CS8

Description
Conv 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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LT1301CS8 Overview

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

LT1301CS8 Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesNot Compliant
ECCN (US)EAR99
Part StatusUnconfirmed
HTS8542.39.00.01
SVHCYes
SVHC Exceeds ThresholdYes
TypeStep Up
Output TypeFixed
Switching Frequency (kHz)185
Switching RegulatorYes
Number of Outputs1
Output Voltage (V)5|12
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 Regulation0.15%/V
Efficiency (%)89
Minimum Operating Temperature (°C)0
Maximum Operating Temperature (°C)70
Supplier Temperature GradeCommercial
Pin Count8
Standard Package NameSOP
Supplier PackageSOIC N
MountingSurface Mount
Package Height1.5(Max)
Package Length5(Max)
Package Width3.99(Max)
PCB changed8
Lead ShapeGull-wing
LT1301
Micropower High Efficiency
5V/12V Step-Up DC/DC
Converter for Flash Memory
FEATURES
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s
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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
I
LIM
Pin Programs Peak Switch Current
Uses Inexpensive Surface Mount Inductors
8-Lead DIP or SOIC Package
APPLICATIONS
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Flash Memory V
PP
Generator
Palmtop Computers
Portable Instruments
Bar-Code Scanners
Personal Digital Assistants
PCMCIA Cards
TYPICAL APPLICATIONS
N
5V
OR
3.3V
V
IN
SELECT
L1
33µH
D1
Output Voltage
12V
OUTPUT
12V
V
OUT
2V/DIV
SW
SENSE
47µF
SHUTDOWN SHDN
PGND
+
C2
I
LIM
GND
N/C
33µF
20V
0.1µF*
SHUTDOWN
10V/DIV
1ms/DIV
LT1301 F1
EFFICIENCY (%)
+
C1
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
V
IN
= 5V, V
OUT
= 12V
LOAD = 100Ω
LT1301 TAO1
Figure 1. 3.3V/5V to 12V Step-Up Converter
U
U
U
Efficiency
90
88
86
84
82
80
78
76
74
72
0
1
10
100
LOAD CURRENT (mA)
300
LT1301 TA2
V
IN
= 5V
V
IN
= 3.3V
LT1300 F2
1

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LT1301CS8 LT1301CN8#PBF LT1301CN8 LT1301CS8#PBF LT1301CS8#TRPBF LT1301IN8#PBF LT1301IS8#PBF LT1301IS8#TRPBF LT1301IS8
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 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 Conv DC-DC 1.8V to 10V Step Up Single-Out 5V/12V 0.12A 8-Pin SOIC N
EU restricts the use of certain hazardous substances Not Compliant Compliant Not Compliant Compliant Compliant Compliant Compliant Compliant Not Compliant
ECCN (US) EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
Part Status Unconfirmed Active Unconfirmed Active Active Active Active Active Unconfirmed
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) 5|12 12|5 5|12 5|12 12|5 12|5 12|5 5|12 12|5
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) 70 70 70 70 70 85 85 85 85
Supplier Temperature Grade Commercial Commercial Commercial Commercial Commercial Industrial Industrial Industrial Industrial
Pin Count 8 8 8 8 8 8 8 8 8
Standard Package Name SOP DIP DIP SOP SOP DIP SOP SOP SOP
Supplier Package SOIC N PDIP N PDIP N SOIC N SOIC N PDIP N SOIC N SOIC N SOIC N
Mounting Surface Mount Through Hole Through Hole Surface Mount Surface Mount Through Hole Surface Mount Surface Mount Surface Mount
Package Height 1.5(Max) 3.3 3.3 1.5(Max) 1.5(Max) 3.3 1.5(Max) 1.5(Max) 1.5(Max)
Package Length 5(Max) 10.16(Max) 10.16(Max) 5(Max) 5(Max) 10.16(Max) 5(Max) 5(Max) 5(Max)
Package Width 3.99(Max) 6.48 6.48 3.99(Max) 3.99(Max) 6.48 3.99(Max) 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 Through Hole Gull-wing 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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