Datasheet > LTC3406AB

LTC3406AB

更新时间： 2023-12-20 18:44:40

品牌	Logo	应用领域
亚德诺 - ADI		稳压器
页数	文件大小	规格书
18页	704K
描述
采用 ThinSOT 封装的 1.5MHz、600mA 同步降压型稳压器

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中文翻译

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LTC3406AB 数据手册

LTC3406AB

1.5MHz, 600mA

Synchronous Step-Down

Regulator in ThinSOT

DescripTion

The LTC^®3406AB is a high efficiency monolithic synchro-

nous buck regulator using a constant frequency, current

mode architecture. Supply current with no load is 200µA,

dropping to <1µA in shutdown. The 2.5V to 5.5V input

voltage range makes the LTC3406AB ideally suited for

single Li-Ion battery-powered applications. 100% duty

cycle provides low dropout operation, extending battery

run time in portable systems. PWM pulse skipping mode

operationprovidesverylowoutputripplevoltagefornoise

sensitiveapplications. RefertoLTC3406Aforapplications

that require Burst Mode^®operation.

FeaTures

High Efficiency: Up to 96%

600mA Output Current

2.5V to 5.5V Input Voltage Range

1.5MHz Constant Frequency Operation

No Schottky Diode Required

Low Dropout Operation: 100% Duty Cycle

Low Quiescent Current: 200µA

±±2%0.6V Reference

Shutdown Mode Draws <1µA Supply Current

Internal%Soft-Start%Limits%Inrush%Current

Current Mode Operation for Excellent Line and

Load Transient Response

Switching frequency is internally set at 1.5MHz, allowing

the use of small surface mount inductors and capacitors.

The internal synchronous switch increases efficiency and

eliminates the need for an external Schottky diode. Low

outputvoltagesareeasilysupportedwiththe0.6Vfeedback

reference voltage. The LTC3406AB is available in a low

profile (1mm) ThinSOT package.

Overtemperature Protected

Low Profile (1mm) ThinSOT^TMPackage

applicaTions

Cellular Telephones

Satellite and GPS Receivers

Wireless and DSL Modems

L, LT, LTC, LTM and Burst Mode are registered trademarks 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.

Digital Still Cameras

Media Players

Portable Instruments

Typical applicaTion

Efficiency vs Load Current

100

= 1.8V

OUT

2.2µH

1.8V, 600mA

OUT

22pF

4.7µF

CER

LTC3406AB

10µF

CER

RUN

GND

619k

309k

3406AB TA09

= 2.7V

= 3.6V

= 4.2V

0.1

1000

100

OUTPUT CURRENT (mA)

3406B TA14

3406abfb

For more information www.linear.com/LTC3406AB

12 3 4 5 6 7...18

中文翻译

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与LTC3406AB相关器件

型号	品牌	获取价格	描述	数据表
LTC3406AB-2	Linear	获取价格	2.25MHz, 600mA Synchronous Step-Down Regulator in ThinSOT
LTC3406AB-2	ADI	获取价格	采用 ThinSOT 封装的 2.25MHz、600mA 同步降压型稳压器
LTC3406AB-2_15	Linear	获取价格	2.25MHz, 600mA Synchronous Step-Down Regulator in ThinSOT
LTC3406ABES5#PBF	Linear	获取价格	IC 1.3 A SWITCHING REGULATOR, 1800 kHz SWITCHING FREQ-MAX, PDSO5, LEAD FREE, PLASTIC, MO-1
LTC3406ABES5#TRM	Linear	获取价格	IC 1.3 A SWITCHING REGULATOR, 1800 kHz SWITCHING FREQ-MAX, PDSO5, LEAD FREE, PLASTIC, MO-1
LTC3406ABES5#TRMPBF	Linear	获取价格	暂无描述
LTC3406ABES5#TRPBF	Linear	获取价格	LTC3406AB - 1.5MHz, 600mA Synchronous Step-Down Regulator in ThinSOT; Package: SOT; Pins:
LTC3406ABES5-2#TRPBF	Linear	获取价格	LTC3406AB-2 - 2.25MHz, 600mA Synchronous Step-Down Regulator in ThinSOT; Package: SOT; Pin
LTC3406ABES5-PBF	Linear	获取价格	1.5MHz, 600mA Synchronous Step-Down Regulator in ThinSOT
LTC3406ABES5-TRPBF	Linear	获取价格	1.5MHz, 600mA Synchronous Step-Down Regulator in ThinSOT

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