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LT1617ES5-1#PBF

Description
Switching Voltage Regulators LT1617 - Micropower Inverting DC/DC Converters in SOT-23
CategoryPower/power management    The power supply circuit   
File Size145KB,8 Pages
ManufacturerADI
Websitehttps://www.analog.com
Environmental Compliance
Download Datasheet Parametric Compare View All

LT1617ES5-1#PBF Overview

Switching Voltage Regulators LT1617 - Micropower Inverting DC/DC Converters in SOT-23

LT1617ES5-1#PBF Parametric

Parameter NameAttribute value
Brand NameAnalog Devices Inc
Is it lead-free?Contains lead
Is it Rohs certified?conform to
MakerADI
package instructionPLASTIC, SOT-23, 5 PIN
Contacts5
Manufacturer packaging code05-08-1635
Reach Compliance Codecompliant
ECCN codeEAR99
Is SamacsysN
Analog Integrated Circuits - Other TypesSWITCHED CAPACITOR REGULATOR
Maximum input voltage15 V
Minimum input voltage1 V
Nominal input voltage1.2 V
JESD-30 codeR-PDSO-G5
JESD-609 codee3
length2.9 mm
Humidity sensitivity level1
Number of functions1
Number of terminals5
Maximum operating temperature70 °C
Minimum operating temperature
Maximum output current0.125 A
Package body materialPLASTIC/EPOXY
encapsulated codeLSSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Maximum seat height1.45 mm
surface mountYES
Switch configurationTRIPLER
Temperature levelCOMMERCIAL
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch0.95 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
width1.625 mm
Base Number Matches1
LT1617/LT1617-1
Micropower Inverting
DC/DC Converters
in SOT-23
FEATURES
s
DESCRIPTIO
s
s
s
s
s
Low Quiescent Current:
20
µ
A in Active Mode
<1
µ
A in Shutdown Mode
Operates with V
IN
as Low as 1V
Low V
CESAT
Switch: 250mV at 300mA
Uses Small Surface Mount Components
High Output Voltage: Up to – 34V
Tiny 5-Lead SOT-23 Package
APPLICATIO S
s
s
s
s
LCD Bias
Handheld Computers
Battery Backup
Digital Cameras
The LT
®
1617/LT1617-1 are micropower inverting DC/DC
converters in a 5-lead SOT-23 package. The LT1617 is
designed for higher power systems with a 350mA current
limit and an input voltage range of 1.2V to 15V, whereas
the LT1617-1 is intended for lower power and single-cell
applications with a 100mA current limit and an extended
input voltage range of 1V to 15V. Otherwise, the two
devices are functionally equivalent. Both devices feature a
quiescent current of only 20µA at no load, which further
reduces to 0.5µA in shutdown. A current limited, fixed off-
time control scheme conserves operating current, result-
ing in high efficiency over a broad range of load current.
The 36V switch allows high voltage outputs up to – 34V to
be easily generated without the use of costly transformers.
The LT1617’s low off-time of 400ns permits the use of
tiny, low profile inductors and capacitors to minimize
footprint and cost in space-conscious portable applications.
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATION
1-Cell Li-Ion to –15V Inverting Converter
L1
22µH
5
V
IN
LT1617
4
C1
4.7µF
SHDN
GND
2
NFB
3
24.9k
C3
0.22µF
1
SW
D1
267k
C2
4.7µF
L2
22µH
80
–15V
12mA
EFFICIENCY (%)
V
IN
2.5V TO 4.2V
75
70
65
60
55
C1: TAIYO YUDEN LMK316BJ475
C2: TAIYO YUDEN EMK316BJ475
C3: TAIYO YUDEN TMK316BJ224
L1, L2: MURATA LQH3C220K34
D1: MOTOROLA MBR0530
1617/-1 TA01
50
0.1
U
Efficiency
V
IN
= 4.2V
V
IN
= 2.5V
1
10
LOAD CURRENT (mA)
30
1617/-1 TA01a
U
U
1

LT1617ES5-1#PBF Related Products

LT1617ES5-1#PBF LT1617ES5#TRMPBF LT1617ES5#TRPBF
Description Switching Voltage Regulators LT1617 - Micropower Inverting DC/DC Converters in SOT-23 Switching Voltage Regulators Micropower Inverting DC/DC Converters in SOT-23 Switching Voltage Regulators Micropower Inverting DC/DC Converters in SOT-23
Brand Name Analog Devices Inc Analog Devices Inc Analog Devices Inc
Is it lead-free? Contains lead Contains lead Contains lead
Is it Rohs certified? conform to conform to conform to
Maker ADI ADI ADI
package instruction PLASTIC, SOT-23, 5 PIN PLASTIC, SOT-23, 5 PIN PLASTIC, SOT-23, 5 PIN
Contacts 5 5 5
Manufacturer packaging code 05-08-1635 05-08-1635 05-08-1635
Reach Compliance Code compliant compliant compliant
Is Samacsys N N N
Analog Integrated Circuits - Other Types SWITCHED CAPACITOR REGULATOR SWITCHED CAPACITOR REGULATOR SWITCHED CAPACITOR REGULATOR
Maximum input voltage 15 V 15 V 15 V
Minimum input voltage 1 V 1.2 V 1.2 V
Nominal input voltage 1.2 V 1.2 V 1.2 V
JESD-30 code R-PDSO-G5 R-PDSO-G5 R-PDSO-G5
JESD-609 code e3 e3 e3
length 2.9 mm 2.9 mm 2.9 mm
Humidity sensitivity level 1 1 1
Number of functions 1 1 1
Number of terminals 5 5 5
Maximum operating temperature 70 °C 70 °C 70 °C
Maximum output current 0.125 A 0.4 A 0.4 A
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code LSSOP LSSOP LSSOP
Package shape RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius) 260 250 260
Certification status Not Qualified Not Qualified Not Qualified
Maximum seat height 1.45 mm 1.45 mm 1.45 mm
surface mount YES YES YES
Switch configuration TRIPLER TRIPLER TRIPLER
Temperature level COMMERCIAL COMMERCIAL COMMERCIAL
Terminal surface Matte Tin (Sn) MATTE TIN (SN) MATTE TIN (SN)
Terminal form GULL WING GULL WING GULL WING
Terminal pitch 0.95 mm 0.95 mm 0.95 mm
Terminal location DUAL DUAL DUAL
Maximum time at peak reflow temperature 30 NOT SPECIFIED 30
width 1.625 mm 1.625 mm 1.625 mm
Base Number Matches 1 1 1
ECCN code EAR99 EAR99 -
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