LT8580 Ver la hoja de datos (PDF) - Linear Technology

Número de pieza

componentes Descripción

Fabricante

LT8580

Boost/SEPIC/Inverting DC/DC Converter with 1A, 65V Switch, Soft-Start and Synchronization

Linear Technology 

LT8580

Typical Application

12V Battery Stabilizer Survives 40V Transients

VIN

9V TO 16V

UP TO 40V

TRANSIENT

L1

22µH

C1

1µF

•

487k

VIN

SW

SHDN

FBX

CIN

4.7µF

LT8580

SYNC

VC

D1

L2

22µH

130k

VOUT

12V

240mA

COUT

4.7µF

RT GND SS

84.5k

0.22µF

16.2k

1nF

22pF

8580 TA07a

L1, L2: WÜRTH 22µH WE-DD 744877220

D1: DIODES INC. DFLS1100

CIN: 4.7µF, 50V, 1206, X7R

COUT: 4.7µF, 25V, 1206, X7R

C1: 1µF, 100V, 0805, X7S

Efficiency and Power Loss

(VIN = 12V)

90

800

80

700

70

600

60

500

50

400

40

300

30

20

10

0

200

EFFICIENCY 100

POWER LOSS

0

40 80 120 160 200 240

LOAD CURRENT (mA)

8580 TA07b

Related Parts

PART NUMBER DESCRIPTION

COMMENTS

LT1310

2A (ISW), 40V, 1.2MHz High Efficiency Step-Up DC/DC Converter VIN: 2.3V to 16V, VOUT(MAX) = 40V, IQ = 3mA, ISD < 1µA,

ThinSOT™ Package

LT1613

550mA (ISW), 1.4MHz High Efficiency Step-Up DC/DC Converter VIN: 0.9V to 10V, VOUT(MAX) = 34V, IQ = 3mA, ISD < 1µA,

ThinSOT Package

LT1618

1.5A (ISW), 1.25MHz High Efficiency Step-Up DC/DC Converter VIN: 1.6V to 18V, VOUT(MAX) = 35V, IQ = 1.8mA, ISD < 1µA,

MS10 Package

LT1930/LT1930A 1A (ISW), 1.2MHz/2.2MHz High Efficiency Step-Up DC/DC

Converter

VIN: 2.6V to 16V, VOUT(MAX) = 34V, IQ = 4.2mA/5.5mA, ISD < 1µA,

ThinSOT Package

LT1935

2A (ISW), 40V, 1.2MHz High Efficiency Step-Up DC/DC Converter VIN: 2.3V to 16V, VOUT(MAX) = 40V, IQ = 3mA, ISD < 1µA,

ThinSOT Package

LT1944/LT1944-1 Dual Output 350mA (ISW), Constant Off-Time, High Efficiency

Step-Up DC/DC Converter

VIN: 1.2V to 15V, VOUT(MAX) = 34V, IQ = 20µA, ISD < 1µA,

MS10 Package

LT1946/LT1946A 1.5A (ISW), 1.2MHz/2.7MHz High Efficiency Step-Up DC/DC

Converter

VIN: 2.6V to 16V, VOUT(MAX) = 34V, IQ = 3.2mA, ISD < 1µA,

MS8E Package

LT3467

1.1A (ISW), 1.3MHz High Efficiency Step-Up DC/DC Converter

VIN: 2.6V to 16V, VOUT(MAX) = 40V, IQ = 1.2mA, ISD < 1µA,

ThinSOT, 2mm × 3mm DFN Packages

LT3477

42V, 3A, 3.5MHz Boost, Buck-Boost, Buck LED Driver

VIN: 2.5V to 25V, VOUT(MAX) = 40V, Analog/PWM, ISD < 1µA,

QFN, TSSOP-20E Packages

LT3479

3A Full-Featured DC/DC Converter with Soft-Start and Inrush

Current Protection

VIN: 2.5V to 24V, VOUT(MAX) = 40V, Analog/PWM, ISD < 1µA,

DFN, TSSOP Packages

LT3580

2A (ISW), 42V, 2.5MHz, High Efficiency Step-Up DC/DC

Converter

VIN: 2.5V to 32V, VOUT(MAX) = 42V, IQ = 1mA, ISD = <1µA,

3mm × 3mm DFN-14, MSOP-16E

LT3581

3.3A (ISW), 42V, 2.5MHz, High Efficiency Step-Up DC/DC

Converter

VIN: 2.5V to 22V, VOUT(MAX) = 42V, IQ = 1.9mA, ISD = <1µA,

4mm × 3mm DFN-14, MSOP-16E

LT3579

6A (ISW), 42V, 2.5MHz, High Efficiency, Step-Up DC/DC

Converter

VIN: 2.5V to 16V, VOUT(MAX) = 42V, IQ = 1.9mA, ISD = <1µA,

4mm × 5mm DFN-20, TSSOP-20

LT8582

Dual Channel, 3A (ISW), 42V, 2.5MHz, High Efficiency Step-Up VIN: 2.5V to 22V, VOUT(MAX) = 42V, IQ = 2.1mA, ISD = <1µA,

DC/DC Converter

4mm × 7mm DFN-24

8580f

32 Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 950F3o5r -m7o4r1e7information www.linear.com/LT8580

(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com/LT8580

LT 0714 • PRINTED IN USA

 LINEAR TECHNOLOGY CORPORATION 2014

Share Link: