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LT3464ETS8#TRMPBF

Description
Conv DC-DC 2.3V to 10V Step Up Single-Out 1.25V to 34V 0.14A 8-Pin TSOT-23 T/R
File Size239KB,16 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Download user manual Parametric Compare View All

LT3464ETS8#TRMPBF Overview

Conv DC-DC 2.3V to 10V Step Up Single-Out 1.25V to 34V 0.14A 8-Pin TSOT-23 T/R

LT3464ETS8#TRMPBF Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)EAR99
Part StatusActive
HTS8542.39.00.01
TypeStep Up
Output TypeAdjustable
Switching RegulatorYes
Number of Outputs1
Output Voltage (V)1.25 to 34
Maximum Output Current (A)0.14
Minimum Input Voltage (V)2.3
Maximum Input Voltage (V)10
Operating Supply Voltage (V)2.3 to 10
Typical Switch Current (A)0.115
Typical Quiescent Current (uA)25
Line Regulation0.1%/V
Minimum Operating Temperature (°C)-40
Maximum Operating Temperature (°C)85
Supplier Temperature GradeExtended
PackagingTape and Reel
Pin Count8
Standard Package NameSOT-23
Supplier PackageTSOT-23
MountingSurface Mount
Package Height0.9(Max)
Package Length2.9
Package Width1.75(Max)
PCB changed8
Lead ShapeGull-wing
LT3464
Micropower Boost
Converter with Schottky and
Output Disconnect in ThinSOT™
FEATURES
s
s
DESCRIPTIO
s
s
s
s
s
s
s
s
s
Tiny Solution Size
Low Quiescent Current
25µA in Active Mode
0.5µA in Shutdown Mode
Internal 115mA, 36V Switch
Integrated Schottky Diode
Integrated PNP Output Disconnect with
Short-Circuit Protection
Internal Reference Override Pin
16V at 8mA from 3.6V Input
12V at 20mA from 5V Input
Input Range: 2.3V to 10V
High Output Voltage: Up to 34V
Low Profile (1mm) SOT-23 Package
APPLICATIO S
s
s
s
s
s
s
OEL Panel Bias
LCD Bias
Handheld Computers
Battery Backup
Digital Cameras
Cellular Phones
The LT
®
3464 is a micropower step-up DC/DC converter
with integrated Schottky diode and output disconnect
packaged in an 8-lead low profile (1mm) SOT-23. The
small package size, high level of integration, and the use
of tiny SMT components yield a solution size of less than
40mm
2
. The LT3464 has a typical current limit of 115mA
as well as fast switching speed to allow the use of a chip
inductor and small ceramic capacitors. The internal PNP
disconnects the output load from the input during shut-
down, and also provides output short-circuit protection.
An auxiliary reference input allows the user to override the
internal 1.25V feedback reference with any lower value,
allowing full control of the output voltage during opera-
tion. This device features a low 25
µA
quiescent current,
which is further reduced to less than 0.5µA in shutdown.
A current limited fixed off-time control scheme conserves
operating current, resulting in high efficiency over a broad
range of operating current. The rugged 36V switch and
output disconnect circuitry allow outputs up to 34V to be
easily generated in a simple boost topology.
, LTC and LT are registered trademarks of Linear Technology Corporation.
ThinSOT is a trademark of Linear Technolgy Corporation
TYPICAL APPLICATIO
V
IN
2.3V TO 10V
V
IN
CTRL
22µH
90
80
V
IN
= 8.4V
V
IN
= 4.2V
SW
OUT
0.22µF
LT3464
CAP
0.33µF
FB
GND
3464 TA01a
1µF
EFFICIENCY (%)
V
OUT
16V
70
60
50
40
30
0.01
SHDN
3.48M
294k
U
Efficiency
0.1
1
10
LOAD CURRENT (mA)
100
3464 TA01b
U
U
3464f
1

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Description Conv DC-DC 2.3V to 10V Step Up Single-Out 1.25V to 34V 0.14A 8-Pin TSOT-23 T/R Conv DC-DC 2.3V to 10V Step Up Single-Out 1.25V to 34V 0.14A 8-Pin TSOT-23 T/R Conv DC-DC 2.3V to 10V Step Up Single-Out 1.25V to 34V 0.14A 8-Pin TSOT-23 T/R Conv DC-DC 2.3V to 10V Step Up Single-Out 1.25V to 34V 0.14A 8-Pin TSOT-23 T/R Conv DC-DC 2.3V to 10V Step Up Single-Out 1.25V to 34V 0.14A 8-Pin TSOT-23 T/R Conv DC-DC 2.3V to 10V Step Up Single-Out 1.25V to 34V 0.14A 8-Pin TSOT-23 T/R Conv DC-DC 2.3V to 10V Step Up Single-Out 1.25V to 34V 0.14A 8-Pin TSOT-23
EU restricts the use of certain hazardous substances Compliant Compliant Not Compliant Not Compliant Compliant Compliant Not Compliant
ECCN (US) EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
Part Status Active Unconfirmed Unconfirmed LTB Active Active Unconfirmed
Type Step Up Step Up Step Up Step Up Step Up Step Up Step Up
Output Type Adjustable Adjustable Adjustable Adjustable Adjustable Adjustable Adjustable
Switching Regulator Yes Yes Yes Yes Yes Yes Yes
Number of Outputs 1 1 1 1 1 1 1
Output Voltage (V) 1.25 to 34 1.25 to 34 1.25 to 34 1.25 to 34 1.25 to 34 1.25 to 34 1.25 to 34
Maximum Output Current (A) 0.14 0.14 0.14 0.14 0.14 0.14 0.14
Minimum Input Voltage (V) 2.3 2.3 2.3 2.3 2.3 2.3 2.3
Maximum Input Voltage (V) 10 10 10 10 10 10 10
Operating Supply Voltage (V) 2.3 to 10 2.3 to 10 2.3 to 10 2.3 to 10 2.3 to 10 2.3 to 10 2.3 to 10
Typical Switch Current (A) 0.115 0.115 0.115 0.115 0.115 0.115 0.115
Typical Quiescent Current (uA) 25 25 25 25 25 25 25
Line Regulation 0.1%/V 0.1%/V 0.1%/V 0.1%/V 0.1%/V 0.1%/V 0.1%/V
Minimum Operating Temperature (°C) -40 -40 -40 -40 -40 -40 -40
Maximum Operating Temperature (°C) 85 85 85 85 85 85 85
Supplier Temperature Grade Extended Extended Extended Extended Extended Extended Extended
Pin Count 8 8 8 8 8 8 8
Standard Package Name SOT-23 SOT-23 SOT-23 SOT-23 SOT-23 SOT SOT-23
Supplier Package TSOT-23 TSOT-23 TSOT-23 TSOT-23 TSOT-23 TSOT-23 TSOT-23
Mounting Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package Height 0.9(Max) 0.9(Max) 0.9(Max) 0.9(Max) 0.9(Max) 0.9(Max) 0.9(Max)
Package Length 2.9 2.9 2.9 2.9 2.9 2.9 2.9
Package Width 1.75(Max) 1.75(Max) 1.75(Max) 1.75(Max) 1.75(Max) 1.75(Max) 1.75(Max)
PCB changed 8 8 8 8 8 8 8
Lead Shape Gull-wing Gull-wing Gull-wing Gull-wing 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
Packaging Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel -
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