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LTC3203/LTC3203-1

LTC3203B/LTC3203B-1

32031fa

RELATED PARTS

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

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

LT/LWI 1006 REV A • PRINTED IN USA

PART NUMBER

DESCRIPTION

COMMENTS

®1618

Constant Current, Constant Voltage, 1.4MHz High

Up to 16 White LEDs, VIN: 1.6V to 18V, VOUT(MAX) = 34V,

Efficiency Boost Regulator

IQ = 1.8mA, ISD ≤ 1µA, 10-Lead MS Package

LTC1911-1.5

250mA (IOUT), 1.5MHz High Efficiency Step-Down

75% Efficiency, VIN: 2.7V to 5.5V, VOUT(MIN) = 1.5V/1.8V,

Charge Pump

IQ = 180µA, ISD ≤ 10µA, MS8 Package

LT1932

Constant Current, 1.2MHz High Efficiency White LED

Up to 8 White LEDs, VIN: 1V to 10V, VOUT(MAX) = 34V, IQ = 1.2mA,

Boost Regulator

ISD ≤ 1µA, ThinSOT™ Package

LT1937

Constant Current, 1.2MHz High Efficiency White LED

Up to 4 White LEDs, VIN: 2.5V to 10V, VOUT(MAX) = 34V,

Boost Regulator

IQ = 1.9mA, ISD ≤ 1µA, ThinSOT, SC70 Packages

LTC3200-5

Low Noise, 2MHz Regulated Charge Pump White

Up to 6 White LEDs, VIN: 2.7V to 4.5V, VOUT(MAX) = 5V, IQ = 8mA,

LED Driver

ISD ≤ 1µA, ThinSOT Package

LTC3201

Low Noise, 1.7MHz Regulated Charge Pump White

Up to 6 White LEDs, VIN: 2.7V to 4.5V, VOUT(MAX) = 5V,

LED Driver

IQ = 6.5mA, ISD ≤ 1µA, 10-Lead MS Package

LTC3202

Low Noise, 1.7MHz Regulated Charge Pump White

Up to 8 White LEDs, VIN: 2.7V to 4.5V, VOUT(MAX) = 5V, IQ = 5mA,

LED Driver

ISD ≤ 1µA, 10-Lead MS Package

LTC3204-3.3/LTC3204B-3.3 Low Noise Regulated Charge Pumps in 2

× 2 DFN

VIN: 1.8V to 4.5V (LTC3204/LTC3204B-3.3), 2.7V to 5.5V

LTC3204-5/LTC3204B-5

(“B” Version Defeats Burst Mode Operation)

(LTC3204/LTC3204B-5), IOUT = 50mA (LTC3204/LTC3204B-3.3),

150mA (LTC3204/LTC3204B-5) 6-Lead 2

× 2 DFN Package

LTC3205

Multi-Display LED Controller

92% Efficiency, VIN: 2.8V to 4.5V, IQ = 50µA, ISD ≤ 1µA,

4mm x 4mm QFN Package

LTC3206

Highly Integrated Multi-Display LED Controller

92% Efficiency, VIN: 2.7V to 4.5V, IQ = 180µA, ISD ≤ 1µA,

4mm x 4mm QFN Package

LTC3251

500mA (IOUT), 1MHz to 1.6MHz Spread Spectrum

85% Efficiency, VIN: 3.1V to 5.5V, VOUT: 0.9V to 1.6V, IQ = 9µA,

Step-Down Charge Pump

ISD ≤ 1µA, 10-Lead MS Package

LTC3405/LTC3405A

300mA (IOUT), 1.5MHz Synchronous Step-Down

95% Efficiency, VIN: 2.7V to 6V, VOUT(MIN) = 0.8V, IQ = 20µA,

DC/DC Converter

ISD ≤ 1µA, ThinSOT Package

LTC3406/LTC3406B

600mA (IOUT), 1.5MHz Synchronous Step-Down

95% Efficiency, VIN: 2.5V to 5.5V, VOUT(MIN) = 0.6V, IQ = 20µA,

DC/DC Converter

ISD ≤ 1µA, ThinSOT Package

LTC3440

600mA (IOUT), 2MHz Synchronous Buck-Boost

95% Efficiency, VIN: 2.5V to 5.5V, VOUT(MIN) = 2.5V, IQ = 25µA,

DC/DC Converter

ISD ≤ 1µA, 10-Lead MS Package

LT3465/LT3465A

1.2MHz/2.7MHz with Internal Schottky

Up to 6 White LEDs, VIN: 12.7V to 16V, VOUT(MAX) = 34V,

IQ = 1.9mA, ISD < 1µA, ThinSOT Package

ThinSOT is a trademark of Linear Technology Corporation.

TYPICAL APPLICATIO

VIN

C1+

C1–

C2+

C2–

MODE

SHDN

GND

LTC3203/

LTC3203B

VOUT

332k

2.2

µF

100k

Ω

ON OFF

9, 11

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