Datasheet > LTC3564EDCB-TRPBF

LTC3564EDCB-TRPBF

更新时间： 2024-11-11 05:43:55

品牌	Logo	应用领域
凌特 - Linear		稳压器
页数	文件大小	规格书
20页	263K
描述
2.25MHz, 1.25A Synchronous Step-Down Regulator

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LTC3564

2.25MHz, 1.25A

Synchronous

Step-Down Regulator

DESCRIPTIO

FEATURES

■

High Efficiency: Up to 96%

The LTC^®3564 is a high efficiency monolithic synchro-

nous buck regulator using a constant frequency, current

mode architecture. Supply current during operation is

only 20μA, dropping to ≤1μA in shutdown. The 2.5V to

5.5VinputvoltagerangemakestheLTC3564ideallysuited

for single Li-Ion battery-powered or 3.3V to 5V input

voltage applications. 100% duty cycle provides low drop-

out operation, extending battery life in portable systems.

Automatic Burst Mode^®operation increases efficiency at

light loads, further extending battery runtime.

■

Very Low Quiescent Current: Only 20μA

■

1.25A Output Current

■

2.5V to 5.5V Input Voltage Range

2.25MHz Constant Frequency Operation

No Schottky Diode Required

■

Low Dropout Operation: 100% Duty Cycle

0.6V Reference Allows Low Output Voltages

Shutdown Mode Draws ≤1μA Supply Current

Current Mode Operation for Excellent Line and

Load Transient Response

Switching frequency is internally set at 2.25MHz, allowing

the use of small surface mount inductors and capacitors.

■

Overtemperature Protected

Low Profile (1mm) ThinSOT^TMand

6-Lead (2mm × 3mm) DFN Packages

The internal synchronous switch increases efficiency and

eliminates the need for an external Schottky diode. Low

output voltages are easily supported with the 0.6V feed-

back reference voltage. The LTC3564 is available in low

profile (1mm) ThinSOT and 6-Lead (2mm × 3mm) DFN

packages.

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

Burst Mode is a registered trademark of Linear Technology Corporation.

ThinSOT is a trademark of Linear Technology Corporation.

All other trademarks are the property of their respective owners.

Protected by U.S. Patents including 5481178, 6580258, 6304066, 6498466, 6611131.

APPLICATIO S

■

Cellular Telephones

Wireless and DSL Modems

■

Digital Still Cameras

Media Players

Portable Instruments

Point of Load Regulation

TYPICAL APPLICATIO

100

= 1.8V

OUT

0.1

1.1μH

22pF

OUT

1.8V

0.01

0.001

0.0001

0.00001

LTC3564

22μF

OUT

22μF

CER

RUN

GND

= 2.7V

= 3.6V

= 4.2V

634k

316k

0.1

100

1000

10000

3564 TA01a

OUTPUT CURRENT (mA)

3564 TA01b

3564f

12 3 4 5 6 7...20

中文翻译

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与LTC3564EDCB-TRPBF相关器件

型号	品牌	获取价格	描述	数据表
LTC3564ES5#TRMPBF	Linear	获取价格	LTC3564 - 2.25MHz, 1.25A Synchronous Step-Down Regulator; Package: SOT; Pins: 5; Temperatu
LTC3564ES5-PBF	Linear	获取价格	2.25MHz, 1.25A Synchronous Step-Down Regulator
LTC3564ES5-TRPBF	Linear	获取价格	2.25MHz, 1.25A Synchronous Step-Down Regulator
LTC3564IDCB-PBF	Linear	获取价格	2.25MHz, 1.25A Synchronous Step-Down Regulator
LTC3564IDCB-TRPBF	Linear	获取价格	2.25MHz, 1.25A Synchronous Step-Down Regulator
LTC3564IS5-PBF	Linear	获取价格	2.25MHz, 1.25A Synchronous Step-Down Regulator
LTC3564IS5-TRPBF	Linear	获取价格	2.25MHz, 1.25A Synchronous Step-Down Regulator
LTC3565	Linear Systems	获取价格	1.25A, 4MHz, Synchronous Step-Down DC/DC Converter
LTC3565	Linear	获取价格	1.25A, 4MHz, Synchronous Step-Down DC/DC Converter
LTC3565	ADI	获取价格	1.25A、4MHz、同步降压型 DC/DC 转换器

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