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LT1618EMS

Description
Conv DC-DC 1.6V to 18V Step Up Single-Out 1.263V to 36V 10-Pin MSOP
File Size203KB,16 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Download user manual Parametric Compare View All

LT1618EMS Overview

Conv DC-DC 1.6V to 18V Step Up Single-Out 1.263V to 36V 10-Pin MSOP

LT1618EMS 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 TypeAdjustable
Switching Frequency (kHz)550(Typ)
Switching RegulatorYes
Number of Outputs1
Output Voltage (V)1.263 to 36
Minimum Input Voltage (V)1.6
Maximum Input Voltage (V)18
Operating Supply Voltage (V)1.6 to 18
Typical Quiescent Current (uA)1800
Line Regulation0.03%/V
Minimum Operating Temperature (°C)-40
Maximum Operating Temperature (°C)85
Supplier Temperature GradeExtended
Pin Count10
Standard Package NameMSOP
Supplier PackageMSOP
MountingSurface Mount
Package Height0.86
Package Length3
Package Width3
PCB changed10
Lead ShapeGull-wing
LT1618
Constant-Current/
Constant-Voltage 1.4MHz
Step-Up DC/DC Converter
FEATURES
DESCRIPTIO
Accurate Input/Output Current Control:
±5%
Over
Temperature
Accurate Output Voltage Control:
±1%
Wide V
IN
Range: 1.6V to 18V
1.4MHz Switching Frequency
High Output Voltage: Up to 35V
Low V
CESAT
Switch: 200mV at 1A
Available in (3mm
×
3mm
×
0.8mm) 10-Pin DFN and
10-Pin MSOP Packages
The LT
®
1618 step-up DC/DC converter combines a tradi-
tional voltage feedback loop and a unique current feedback
loop to operate as a constant-current, constant-voltage
source. This fixed frequency, current mode switcher oper-
ates from a wide input voltage range of 1.6V to 18V, and
the high switching frequency of 1.4MHz permits the use of
tiny, low profile inductors and capacitors. The current
sense voltage is set at 50mV and can be adjusted using the
I
ADJ
pin.
Available in the 10-Pin (3mm
×
3mm) Exposed Pad DFN
and 10-pin MSOP packages, the LT1618 provides a com-
plete solution for constant-current applications.
, LTC and LT are registered trademarks of Linear Technology Corporation.
APPLICATIO S
LED Backlight Drivers
USB Powered Boost/SEPIC Converters
Input Current Limited Boost/SEPIC Converters
Battery Chargers
TYPICAL APPLICATIO
USB to 12V Boost Converter
(with Selectable 100mA/500mA Input Current Limit)
V
IN
5V
0.1Ω
L1
10µH
D1
V
OUT
12V
7
SW
LT1618
8
3.3V
OFF ON
0V
20k
9
V
IN
SHDN
I
ADJ
GND
4
3.3V
100mA 500mA
0V
5
V
C
10
2k
13k
10nF
FB
90
85
2
C1
4.7µF
3
ISN
ISP
1
R2
107k
C2
4.7µF
EFFICIENCY (%)
R1
909k
80
75
70
65
60
0
20
C1: TAIYO YUDEN JMK212BJ475
C2: TAIYO YUDEN EMK316BJ475
D1: ON SEMICONDUCTOR MBR0520
L1: SUMIDA CR43-100
1618 TA01a
U
Efficiency Curve
60 80 100 120 140 160
40
LOAD CURRENT (mA)
1618 TA01b
U
U
sn1618 1618fas
1

LT1618EMS Related Products

LT1618EMS LT1618EDD#PBF LT1618EDD#TRPBF LT1618EDD LT1618EMS#PBF LT1618EMS#TR LT1618EMS#TRPBF
Description Conv DC-DC 1.6V to 18V Step Up Single-Out 1.263V to 36V 10-Pin MSOP Conv DC-DC 1.6V to 18V Step Up Single-Out 1.263V to 36V 10-Pin DFN EP Tube Conv DC-DC 1.6V to 18V Step Up Single-Out 1.263V to 36V 10-Pin DFN EP T/R Conv DC-DC 1.6V to 18V Step Up Single-Out 1.263V to 36V 10-Pin DFN EP Conv DC-DC 1.6V to 18V Step Up Single-Out 1.263V to 36V 10-Pin MSOP Tube Conv DC-DC 1.6V to 18V Step Up Single-Out 1.263V to 36V 10-Pin MSOP T/R Conv DC-DC 1.6V to 18V Step Up Single-Out 1.263V to 36V 10-Pin MSOP T/R
EU restricts the use of certain hazardous substances Not Compliant Compliant Compliant Not Compliant Compliant Not Compliant Compliant
ECCN (US) EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
Part Status Unconfirmed Active Active Unconfirmed Active LTB Active
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 8542.39.00.01
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 Frequency (kHz) 550(Typ) 550(Typ) 550(Typ) 550(Typ) 550(Typ) 550(Typ) 550(Typ)
Switching Regulator Yes Yes Yes Yes Yes Yes Yes
Number of Outputs 1 1 1 1 1 1 1
Output Voltage (V) 1.263 to 36 1.263 to 36 1.263 to 36 1.263 to 36 1.263 to 36 1.263 to 36 1.263 to 36
Minimum Input Voltage (V) 1.6 1.6 1.6 1.6 1.6 1.6 1.6
Maximum Input Voltage (V) 18 18 18 18 18 18 18
Operating Supply Voltage (V) 1.6 to 18 1.6 to 18 1.6 to 18 1.6 to 18 1.6 to 18 1.6 to 18 1.6 to 18
Typical Quiescent Current (uA) 1800 1800 1800 1800 1800 1800 1800
Line Regulation 0.03%/V 0.03%/V 0.03%/V 0.03%/V 0.03%/V 0.03%/V 0.03%/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 10 10 10 10 10 10 10
Standard Package Name MSOP DFN DFN DFN MSOP MSOP SOP
Supplier Package MSOP DFN EP DFN EP DFN EP MSOP MSOP MSOP
Mounting Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package Height 0.86 0.75(Max) 0.75(Max) 0.75(Max) 0.86 0.86 0.86
Package Length 3 3 3 3 3 3 3
Package Width 3 3 3 3 3 3 3
PCB changed 10 10 10 10 10 10 10
Lead Shape Gull-wing No Lead No Lead No Lead Gull-wing Gull-wing Gull-wing
Packaging - Tube Tape and Reel - Tube Tape and Reel Tape and Reel
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