Datasheet > LTM4609IVPBF

LTM4609IVPBF

更新时间： 2024-12-01 05:44:07

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
24页	293K
描述
36VIN, 34VOUT High Effi ciency Buck-Boost DC/DC μModule

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中文翻译

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LTM4609IVPBF 数据手册

LTM4609

36V , 34V High Efﬁciency

OUT

Buck-Boost DC/DC µModule

FEATURES

DESCRIPTION

The LTM^®4609 is a high efﬁciency switching mode buck-

boost power supply. Included in the package are the

switchingcontroller,powerFETsandsupportcomponents.

Operating over an input voltage range of 4.5V to 36V, the

LTM4609 supports an output voltage range of 0.8V to

34V, set by a resistor. This high efﬁciency design delivers

up to 4A continuous current in boost mode (10A in buck

mode). Only the inductor, sense resistor, bulk input and

output capacitors are needed to ﬁnish the design.

Single Inductor Architecture Allows V Above,

Below or Equal to V

OUT

Wide V Range: 4.5V to 36V

OUT

Wide V

OUT

Range: 0.8V to 34V

: 4A DC (10A DC in Buck Mode)

Up to 98% Efﬁciency

Current Mode Control

Power Good Output Signal

Phase-Lockable Fixed Frequency: 200kHz to 400kHz

Ultrafast Transient Response

Current Foldback Protection

Output Overvoltage Protection

Small, Low Proﬁle Surface Mount LGA Package

(15mm × 15mm × 2.8mm)

Thelowproﬁlepackageenablesutilizationofunusedspace

on the bottom of PC boards for high density point of load

regulation. The high switching frequency and current

mode architecture enable a very fast transient response

to line and load changes without sacriﬁcing stability. The

LTM4609 can be frequency synchronized with an external

clock to reduce undesirable frequency harmonics.

APPLICATIONS

Faultprotectionfeaturesincludeovervoltageandfoldback

current protection. The DC/DC μModule^®is offered in a

small thermally enhanced 15mm × 15mm × 2.8mm LGA

package. The LTM4609 is Pb-free and RoHS compliant.

Telecom, Servers and Networking Equipment

Industrial and Automotive Equipment

High Power Battery-Operated Devices

L, LT, LTC, LTM, Linear Technology, the Linear logo and μModule are registered trademarks of

Linear Technology Corporation. All other trademarks are the property of their respective owners.

TYPICAL APPLICATION

Efﬁciency and Power Loss

vs Input Voltage

30V/2A Buck-Boost DC/DC μModule with 5V to 36V Input

CLOCK SYNC

6.5V TO 36V

10μF

50V

30V

OUT

PLLIN

OUT

10μF

50V

330μF

50V

FCB

ON/OFF

RUN

LTM4609

5.6μH

SW1

SW2

SENSE

0.1μF

15mΩ

–

SENSE

EFFICIENCY

POWER LOSS

SGND

PGND

2.74k

(V)

4609 TA01a

4609 TA01b

4609fa

12 3 4 5 6 7...24

中文翻译

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与LTM4609IVPBF相关器件

型号	品牌	获取价格	描述	数据表
LTM4611	Linear	获取价格	Ultralow VIN, 15A DC/DC μModule Regulator
LTM4611	ADI	获取价格	超低 VIN、15A DC/DC μModule 稳压器
LTM4612	Linear	获取价格	Ultralow Noise 36VIN, 15VOUT, 5A, DC/DC μModu
LTM4612	ADI	获取价格	符合 EN55022B 规格的 36Vin、15Vout、5A、DC/DC μModule
LTM4612_1	Linear	获取价格	EN55022B Compliant 36VIN, 15VOUT, 5A, DC/DC Module Regulator
LTM4612EV#PBF	Linear	获取价格	LTM4612 - Ultralow Noise 36VIN, 15VOUT, 5A, DC/DC µModule (Power Module) Regulato
LTM4612EV-PBF	Linear	获取价格	Ultralow Noise 36VIN, 15VOUT, 5A, DC/DC μModu
LTM4612IV#PBF	Linear	获取价格	LTM4612 - Ultralow Noise 36VIN, 15VOUT, 5A, DC/DC µModule (Power Module) Regulato
LTM4612IV-PBF	Linear	获取价格	Ultralow Noise 36VIN, 15VOUT, 5A, DC/DC μModu
LTM4612MPV	Linear	获取价格	Ultralow Noise 36VIN, 15VOUT, 5A, DC/DC μModu

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