LTC4091 datasheet(26/26 Pages) LINER

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LTC4091

4091fa

For more information www.linear.com/LTC4091

LT 0817 REV A • PRINTED IN USA

RELATED PARTS

www.linear.com/LTC4091

PART NUMBER

DESCRIPTION

COMMENTS

LTC3226

Boost Charge Pump + PowerPath

Manager for SCaps

ICHARGE: 0.33A, VIN: 2.5V to 5.5V, VOUT: 2.5V to 5.5V

LTC3355

Buck SCap Charger + Boost Backup

ICHARGE: 1A, VIN: 3V to 20V, VOUT: 2.7V to 5.5V

LTC3110

Bi-Directional Buck-Boost + PowerPath

Manager for SCaps

ICHARGE: 2A, VIN: 0.1V to 5.5V, VOUT: 1.8V to 5.5V

LTC3643

Bi-Directional Boost Charger/Buck

Backup, Electrolytic Caps

ICHARGE: 2A, VIN: 3V to 17V, VOUT: Up to 40V

LTC4040

Buck Battery Charger + Boost Backup

for Li Batteries

ICHARGE: 2.5A, VIN: 3.5V to 5.5V, VOUT: 3.5V to 5V

LTC3128

Buck-Boost SCap Charger

ICHARGE: 3A, VIN: 1.7V to 5.5V, VOUT: 1.8V to 5.5V

LTC4425

Linear/Ideal Diode SCap Charger

ICHARGE: 3A, VIN: 1.7V to 5.5V, VOUT: 2.7V to 5.5V

LTC4110

Bi-Directional Buck-Boost Flyback

Controller

ICHARGE: 3A, VIN: 4.5V to 19V, VOUT: 2.7V to 19V

LTC3350

Bi-Directional Controller + Monitor +

PowerPath for SCaps

ICHARGE: 10A+, VIN: 4.5V to 35V, VOUT: 4V to 35V

LTC4089

USB Power Manager with High Voltage

Switching Charger

Seamless Transition Between Power Sources: Li-Ion Battery, USB and 6V to 36V External

Supply, High Efficiency, 1.2A Charger from 6V to 36V Input with Adaptive Output Control

LTC4090

USB Power Manager with 2A High

Voltage Bat-Track™ Buck Charger

Seamless Transition Between Power Sources: Li-Ion Battery, USB and 6V to 38V Supply

(60V Max), 2A Output High Voltage Back Regulator with Bat-Track Adaptive Output Control

TYPICAL APPLICATION

VIN

BOOST

CHRG

RUN/SS

3.3µF

16V, X5R, 0603

MAX

4.99k

4.7µF

50V

X7R

1206

LTC4091

GND

SYNC

HVOUT

HVPR

OUT

GATE

BAT

V4P1

AUTOMOTIVE

INPUT

7.5V TO 36V

WITH COLD-CRANK

PROTECTION

PROG

TIMER

10k

LOAD

4.45V MAX

6.8µH

0.47µF

VNTC

NTC

10k

68µF

10V, X5R, 1206

100µF

10V, X5R, 1210

0.1µF

220pF

15k

40.2k

105k

4091 TAO2

140k

49.9k

330nF

50V

X7R

0805

M1, M2: VISHAY SiS447DN

D1: CENTRAL SEMICONDUCTOR CMHZ4692

D2: DIODES, INC. B360A

Q1, Q2: DIODES, INC. MMDT5551

L1: COILCRAFT XAL4030-682MEB

C1: muRATA GRM31CR71H475KA12L

C2: muRATA GCM219R71H334KA55

C3: TDK C1608X5R1C335K080AC

C4: TDK C3216X5R1A686M160AC*

C5: muRATA GRM32ER61A107ME20L

* SEE SWITCHING REGULATOR CAPACITOR

SELECTION SECTION

100k

10pF

0.05

4.1V

Li-Ion BATTERY

LINEAR TECHNOLOGY CORPORATION 2017

LTC4091 Datasheet(PDF) 26 Page - Linear Technology

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