LTC3824EMSE Linear Technology, LTC3824EMSE Datasheet

LTC3824EMSE

Manufacturer Part Number

LTC3824EMSE

Description

IC,SMPS CONTROLLER,CURRENT-MODE,CMOS,TSSOP,10PIN,PLASTIC

Manufacturer

Linear Technology

Datasheets

1.LTC3824EMSE.pdf (12 pages)

2.LTC3824EMSE.pdf (36 pages)

Available stocks

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Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

LTC3824EMSE

Manufacturer:

Quantity:

10 000

Company:

Meier Automation Equipment Co., Limited

Part Number:

LTC3824EMSE

Manufacturer:

LINEAR/凌特

Quantity:

20 000

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

LTC3824EMSE#PBF

Manufacturer:

Quantity:

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Company:

Bonase Electronics (HK) Co., Limited

Part Number:

LTC3824EMSE#TRPBF

Manufacturer:

Quantity:

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Company:

BOSTOCK HK LIMITED

Part Number:

LTC3824EMSE#TRPBF

Manufacturer:

Quantity:

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Company:

Amily Shenzhen XNWY Technology Co., Ltd

Part Number:

LTC3824EMSE#TRPBF

Company:

H&T Electronics

Part Number:

LTC3824EMSE#TRPBF

Quantity:

2 500

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FEATURES

APPLICATIONS

TYPICAL APPLICATION

5.5V TO 60V

Wide Input Range: 4V to 60V

Current Mode Constant Frequency PWM

Very Low Dropout Operation: 100% Duty Cycle

Programmable Switching Frequency:

200kHz to 600kHz

Selectable High Efﬁ cient Burst Mode

40μA Quiescent Current

Easy Synchronization

8V, 2A Gate Drive (V

Voltage P-channel MOSFET

Programmable Soft-Start

Programmable Current Limit

Available in a Small 10-Pin Thermally Enhanced

MSE Package

Industrial and Automotive Power Supplies

Telecom Power Supplies

Distributed Power Systems

100V

33μF

392k

0.1μF

GND

SYNC/MODE

0.1μF

SET

CAP

LTC3824

5V/2A Buck Converter

CAP

10k

SENSE

3.3nF

GATE

> 10V) for Industrial High

0.025Ω

22μH

51Ω

Operation:

100pF

422k

80.6k

3824 TA01

100μF

OUT

DESCRIPTION

The LTC

to drive an external P-channel MOSFET. With a wide input

range of 4V to 60V and a high voltage gate driver, the

LTC3824 is suitable for many industrial and automotive

high power applications. Constant frequency current mode

operation provides excellent performance.

The LTC3824 can be conﬁ gured for Burst Mode operation.

Burst Mode operation enhances low current efﬁ ciency

(only 40μA quiescent current) and extends battery run

time. The switching frequency can be programmed up to

600kHz and is easily synchronizable.

Other features include current limit, soft-start, micropower

shutdown, and Burst Mode disable.

The LTC3824 is available in a 10-lead MSE power package.

L, LT, LTC, LTM and Burst Mode are registered trademarks of Linear Technology Corporation.

All other trademarks are the property of their respective owners. Protected by U.S. Patents

including 5731964.

OUT

High Voltage Step-Down

3824 is a step-down DC/DC controller designed

Efﬁ ciency and Power Loss vs Load Current

100

Controller With 40µA

EFFICIENCY

POWER LOSS

Quiescent Current

LOAD CURRENT (mA)

100

= 40V

= 12V

= 40V

= 12V

1000

LTC3824

3824 TA01a

2000

2.5

2.0

1.5

1.0

0.5

3824fc

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