LT3653_15 datasheet(12/12 Pages) LINER

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LT3653

3653f

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com

LT 0708 • PRINTED IN USA

PART NUMBER

DESCRIPTION

COMMENTS

LT1939

Dual 25V, 2A (IOUT), 2.5MHz, High Efﬁciency DC/DC

Converter and LDO Controller

VIN: 3.6V to 25V, VOUT(MIN) = 0.8V, IQ = 2.5mA, ISD < 10μA,

3mm

× 3mm DFN-10 Package

LT3480

36V with Transient Protection to 60V, 2A (IOUT), 2.4MHz,

High Efﬁciency Step-Down DC/DC Converter with Burst

Mode Operation

VIN: 3.6V to 38V, VOUT(MIN) = 0.78V, IQ = 70μA, ISD < 1μA,

3mm

× 3mm DFN-10 and TSSOP-16E Packages

LT3500

36V, 40VMAX, 2A, 2.5MHz High Efﬁciency DC/DC Converter

and LDO Controller

VIN: 3.6V to 36V, VOUT(MIN) = 0.8V, IQ = 3.7mA, ISD < 10μA,

TSSOP-20E Package

LT3505

36V with Transient Protection to 40V, 1.4A (IOUT), 3MHz,

High Efﬁciency Step-Down DC/DC Converter

VIN: 3.6V to 34V, VOUT(MIN) = 0.78V, IQ = 2mA, ISD < 2μA,

3mm

× 3mm DFN-8 and MSOP-8E Packages

LT3507

36V, Triple 2.5MHz, 2.4A + 1.5A + 1.5A I(IOUT) and LDO

Controller

VIN: 4V to 36V, VOUT(MIN) = 0.8V, IQ = 7mA, ISD < 1μA,

5mm

× 7mm QFN-38 Package

LT3508

36V with Transient Protection to 40V, Dual 1.4A (IOUT),

3MHz, High Efﬁciency Step-Down DC/DC Converter

VIN: 3.7V to 37V, VOUT(MIN) = 0.8V, IQ = 4.6mA, ISD < 1μA,

4mm

× 4mm QFN-24 and TSSOP-16E Packages

LT3557/-1

USB Power Manager with Li-Ion/Polymer Charger, Triple

Synchronous Buck Converter + LDO

Complete Multi-Function PMIC: Linear Power Manager & Three Buck

Regulators Bat-Track Adaptive Output Control, “-1” version has 4.1V

Vﬂoat, 4mm x 4mm QFN-28 Package

LT3680

36V, 3.5A (IOUT) 2.4MHz,

High Efﬁciency Step-Down DC/DC Converter

VIN: 3.6V to 36V, VOUT(MIN) = 0.8V, IQ = 75mA,

ISD < 1mA, 3mm × 3mm DFN-10, MSOP-10E

LT3685

36V with Transient Protection to 60V, 2A (IOUT), 2.4MHz,

High Efﬁciency Step-Down DC/DC Converter

VIN: 3.6V to 38V, VOUT(MIN) = 0.78V, IQ = 70μA, ISD < 1μA,

3mm

× 3mm DFN-24 and MSOP-10E Packages

LT4089/-1/-5

High Voltage USB Power Manager with Ideal Diode

Controller and High Efﬁciency Li-Ion Battery Charger

High Efﬁciency 1.2A Charger from 6V to 36V (40V max) Input; “-1”

for 4.1V ﬂoat voltage batteries; Bat-Track™ Adaptive Output Control

(LTC4089); Fixed 5V Output (LTC4089-5, -1); 3mm × 6mm DFN-22

Package

LT4090/-5

High Voltage USB Power Manager with Ideal Diode

Controller and High Efﬁciency Li-Ion Battery Charger

High Efﬁciency 1.2A Charger from 6V to 38V (60V max) Input Bat-Track

Adaptive Output Control; “-5” has no Bat-Track; 3mm × 6mm DFN-22

Package

LTC4098

USB-Compatible Switchmode Power Manager with OVP

High VIN: 38V operating, 60V transient; 66V OVP Maximizes Available

Power from USB Port, Bat-Track, “Instant-ON” Operation, 3mm x 4mm

UTQFN-20 Package

Burst Mode is a registered trademark of Linear Technology Corporation.ThinSOT is a trademark of Linear Technology Corporation.

RELATED PARTS

TYPICAL APPLICATION

Dual Input High Efﬁciency Battery Charger with Low Battery Start-Up and 1.2A Output Current Limit

VBUS

OVSENS

D0 - D2

CHRG

NTC

USB

WALL

ADAPTER

HIGH VOLTAGE INPUT

7.5V TO 30V

TRANSIENT

TO 60V

SYSTEM

LOAD

(OPTIONAL)

L1 = TDK, VLCF5020T-4R7NIR7-1

L2 = COILCRAFT, LPS4018-332MLC

M1 = VISHAY, Si 2333DS

D1 = DIODES INC., DFLS240

SEE THE LTC4098 DATASHEET FOR MORE INFORMATION

ON CONFIGURING THE NTC BATTERY TEMPERATURE

QUALIFICATION OR REDUCED IDEAL DIODE IMPEDANCE.

SINGLE-CELL

Li-Ion

0.1μF

3.3μH

4.7μH

3653 TA03

LTC4098

GND

VOUT

BATSENS

PROG

CLPROG

WALL

LT3653

HVOK

GND

ILIM

3.01k

6.04k

27.4k

10μF

6.3V

TO UC

4.7μF

50V

22μF

6.3V

0.1μF

10V

VIN

VOUT

ISENSE

BOOST

OVGATE

BAT

IDGATE

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