LT3582 datasheet(28/28 Pages) LINER

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LT3582/LT3582-5/LT3582-12

3582512f

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

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

LT 0509 • PRINTED IN USA

RELATED PARTS

PART

DESCRIPTION

COMMENTS

LT1944/-1(Dual)

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

LT1945(Dual)

Dual Output, Pos/Neg, 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

LT3463/A

Dual Output, Boost/Inverter, 250mA ISW, Constant

Off-Time, High Efﬁciency Step-Up DC/DC

Converter with Integrated Schottkys

VIN: 2.4V to 15V, VOUT(MAX) = ±40V, IQ = 40μA, ISD <1μA, DFN

LT3471

Dual Output, Boost/Inverter, 1.3A ISW, 1.2MHz,

High Efﬁciency Boost-Inverting DC/DC Converter

VIN: 2.4V to 16V, VOUT(MAX) = ±40V, IQ = 2.5mA, ISD <1μA, DFN

LT3472

Dual Output, Boost/Inverter, 0.35A ISW, 1.2MHz,

High Efﬁciency Boost-Inverting DC/DC Converter

VIN: 2.2V to 16V, VOUT(MAX) = ±34V, IQ = 2.8mA, ISD <1μA, DFN

LT3477

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

Driver

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

TSSOP-20E

LT3494/A

180/350mA (ISW), Low Noise High Efﬁciency Step-

Up DC/DC Converter

VIN: 2.3V to 16V, VOUT(MAX) = 40V, IQ = 65μA, ISD <1μA, 2mm × 3mm DFN

LT3495/ LT3495B/

LT3495-1/ LT3495B-1

650/350mA (ISW), Low Noise High Efﬁciency Step-

Up DC/DC Converter

VIN: 2.5V to 16V, VOUT(MAX) = 40V, IQ = 60μA, ISD <1μA, 2mm × 3mm DFN

LT1930/A

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

DC/DC Converter

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

LT1931/A

1A (ISW), 1.2/2.2MHz, High Efﬁciency Inverting

DC/DC Converter

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

LT3467/A

1.1A (ISW), 1.3/2.1MHz, High Efﬁciency Step-Up

DC/DC Converter with Soft-Start

VIN: 2.4V to 16V, VOUT(MAX) = 40V, IQ = 1.2mA, ISD <1μA, ThinSOT

LT1618

1.5A (ISW), 1.4MHz, High Efﬁciency Step-Up

DC/DC Converter

VIN: 1.6V to 18V, VOUT(MAX) = 35V, IQ = 1.8mA, ISD <1μA, MS10, DFN

LT1946/A

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

DC/DC Converter

VIN: 2.6V to 16V, VOUT(MAX) = 34V, IQ = 3.2mA, ISD <1μA, MS8E

TYPICAL APPLICATION

LT3582

VIN

SWP

CAPP

VNEG

–5V

90mA

CAPP

VPP

SDA

SCL

GND

SWN

VOUTN

I2C

INTERFACE

VOUTP

SHDN

INPUT

2.7V TO 4.2V

VPOS

4.6V

100mA

1.5μH

10μF

10nF

RAMPN

RAMPP

10μF

C4 10μF

L2 1.5μH

REG0/OTP0 = 1Ch

REG1/OTP1 = 4Ch

REG2/OTP2 = 07h

D1-D2: PANASONIC M21D3800L LOW VF SCHOTTKY

L1-L2: TDK MLP3216S1R5L

C1-C4: TAIYO YUDEN JMK212BJ106MK, 6.3V, X5R 0805

C5-C6: 0402 X5R

3582512 TA06a

LOAD CURRENT (mA)

0.1

350

300

250

200

150

100

3582512 TA06b

VIN = 3.3V

Tiny AMOLED Power Supply is 0.8mm (Max) Thin

Efﬁciency and Power Loss, Load from VOUTP to VOUTN

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