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LTC3413IFEPBF

更新时间： 2024-11-09 12:19:15

品牌	Logo	应用领域
凌特 - Linear		稳压器
页数	文件大小	规格书
16页	259K
描述
Monolithic Synchronous Regulator

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LTC3413IFEPBF 数据手册

LTC3413

3A, 2MHz Monolithic

Synchronous Regulator for

DDR/QDR Memory Termination

FEATURES

DESCRIPTION

The LTC^®3413 is a high efﬁciency monolithic synchro-

nous step-down DC/DC converter utilizing a constant

High Efﬁciency: Up to 90%

±±3 ꢀutput ꢁurrent

Symmetrical Source and Sink ꢀutput ꢁurrent Limit

frequency, current mode architecture. It operates from

an input voltage range of 2.25V to 5.5V and provides a

regulatedoutputvoltageequalto(0.5)V whilesourcing

or sinking up to 3A of output current. An internal voltage

divider reduces component count and eliminates the need

for external resistors by dividing the reference voltage in

half. The internal synchronous power switch with 85mΩ

on-resistanceincreasesefﬁciencyandeliminatestheneed

for an external Schottky diode. Switching frequencies up

to 2MHz are set by an external resistor.

Low R

Internal Switch: 85mΩ

DS(ꢀN)

No Schottky Diode Required

REF

2.25V to 5.5V Input Voltage Range

= V /2

OUT

REF

1ꢀ Output Voltage Accuracy

Programmable Switching Frequency: Up to 2MHz

Power Good Output Voltage Monitor

Overtemperature Protected

Available in 16-Lead TSSOP Exposed Pad Package

Forced-continuous operation in the LTC3413 reduces

noise and RF interference. Fault protection is provided

by an overcurrent comparator that limits output current

during both sourcing and sinking operations. Adjustable

compensationallowsthetransientresponsetobeoptimized

over a wide range of loads and output capacitors.

APPLICATIONS

™

Bus Termination: DDR and QDR Memory,

SSTL, HSTL, ...

Notebook Computers

Distributed Power Systems

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

All other trademarks are the property of their respective owners.

Protected by U.S. Patents including 5481178.

TYPICAL APPLICATION

100

= 2.5V

2.5V

22μF

f = 1MHz

0.47μH

PGOOD

OUT

1.25V

REF

OUT

4.7M

330pF

LTC3413

100μF

RUN/SS

PGND

SGND

5.11k

2200pF

3413 F01a

309k

0.01

0.1

L1: VISHAY DALE IHLP-2525CZ-01 0.47

: TDK C4532X5R0J107M

LOAD CURRENT (A)

OUT

3413 F01b

Figure 1a. High Efﬁciency Bus Termination Supply

Figure 1b. Efﬁciency vs Load ꢁurrent

3413fc

12 3 4 5 6 7...16

中文翻译

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与LTC3413IFEPBF相关器件

型号	品牌	获取价格	描述	数据表
LTC3413IFE-PBF	Linear	获取价格	3A, 2MHz Monolithic Synchronous Regulator for DDR/QDR Memory Termination
LTC3414	Linear	获取价格	Dual DC/DC Converter with USB Power Manager and Li-Ion Battery Charger
LTC3414	Linear Systems	获取价格	24V, 15A Monolithic Step Down Regulator with Differential Output Sensing
LTC3414	ADI	获取价格	4A、4MHz、单片式同步降压型稳压器
LTC3414EFE	Linear	获取价格	4A, 4MHz, Monolithic Synchronous Step-Down Regulator
LTC3414EFE#PBF	Linear	获取价格	LTC3414 - 4A, 4MHz, Monolithic Synchronous Step-Down Regulator; Package: TSSOP; Pins: 20;
LTC3414EFE#TRPBF	Linear	获取价格	LTC3414 - 4A, 4MHz, Monolithic Synchronous Step-Down Regulator; Package: TSSOP; Pins: 20;
LTC3414IFE	Linear	获取价格	4A, 4MHz, Monolithic Synchronous Step-Down Regulator
LTC3414IFE#PBF	Linear	获取价格	LTC3414 - 4A, 4MHz, Monolithic Synchronous Step-Down Regulator; Package: TSSOP; Pins: 20;
LTC3414IFE#TR	Linear	获取价格	LTC3414 - 4A, 4MHz, Monolithic Synchronous Step-Down Regulator; Package: TSSOP; Pins: 20;

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