LP6490 datasheet(1/6 Pages) POWER

No de pièce	LP6490

Description	30V 2.4A Synchronous Buck Converter

PDF	6 Pages

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Fabricant	POWER [Lowpower Semiconductor inc]

Site Internet	http://www.lowpowersemi.com

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LP6490-01

Jun.-2017

Email: marketing@lowpowersemi.com

www.lowpowersemi.com

Page 1 of 6

Preliminary Datasheet

LP6490

30V 2.4A Synchronous Buck Converter

General Description

The LP6490 is a synchronous, rectified, step-down,

switch-mode converter with built-in power MOSFETs.

The LP6490 offers a very compact solution that

achieves a maximum of 2.4A of continuous output

current.

The LP6490 has synchronous mode operation for high

efficiency over the output current load range.

Current-mode operation provides fast transient

response and eases loop stabilization.

The LP6490 requires a minimum number of readily

available standard external components. Other

features include cable compensation, programmable

current limit and thermal shutdown.

Order Information

LP6490

F: Pb-Free

Package Type

SP: ESOP-8

Applications



Car Charger



Pre-Regulator for Linear Regulators



Distributed Power Systems



USB Dedicated Charging Ports (DCP)

Features



Wide 8V to 30V Continuous Operating Input

Range



80mΩ/60mΩ Low RDS(ON) Internal Power

MOSFETs



Up to 93% Efficiency



Default 180kHz Switching Frequency



Internal Soft Start



Output large Line Drop Compensation



Over- Voltage Protection (OVP)



Over-Current Protection (OCP) programmable

with External Resistor



No Loop Compensation Required



Thermal Shutdown



Available in ESOP8 Package

Typical Application Circuit

Marking Information

Device

Marking

Package

Shipping

LP6490

LPS

LP6490

YWX

ESOP8

4K/REEL

Marking indication:

Y:Production year W:Production week X:Production batch

LP6490

VIN

GND

CS

FB

SW

100uF

470uF

Option

47uH

Rsen

25mΩ

Vout+

Vin

Vout-

Rup

39K

Rdn

5.1K

Numéro de pièce similaire - LP6490

Fabricant	No de pièce	Fiches technique	Description
Lowpower Semiconductor ...	LP6492	381Kb / 7P	30V 2.4A Synchronous Buck Converter
	LP64920F	514Kb / 7P	2.4A/3.1A DC-DC
	LP64920F24SOF	514Kb / 7P	2.4A/3.1A DC-DC
	LP64920F31SOF	514Kb / 7P	2.4A/3.1A DC-DC
	LP6492F	463Kb / 7P	2.4A/3.1A?믤탛?믣럨?뚧??띶럨DC-DC

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Fabricant	No de pièce	Fiches technique	Description
SHANGHAI BELLING CO., L...	BL9382	940Kb / 7P	18V (30V spike) 2A Synchronous Buck Converter
Cypress Semiconductor	S6BP202A	1Mb / 20P	ASSP, 42V, 2.4A, Synchronous Buck-boost DC/DC Converter IC
Cypress Semiconductor	S6BP203A	1Mb / 19P	ASSP, 42V, 2.4A, Synchronous Buck-boost DC/DC Converter IC
Lowpower Semiconductor ...	LP6493	425Kb / 6P	30V 3.5A Synchronous Buck Converter
Shenzhenshi YONGFUKANG ...	NS6312	1Mb / 10P	4-30V Input 2.4A Output Synchronous Buck Regulator
Shenzhenshi YONGFUKANG ...	NS6322	1Mb / 9P	4-30V Input 5V/2.4A Output Synchronous Buck Regulator
Shenzhen Huazhimei Semi...	HM1782A	1Mb / 9P	4-30V input 5V/2.4A output synchronous buck regulator
Shenzhen Huazhimei Semi...	HM1783A	1Mb / 10P	4-30V Input 2.4A Output Synchronous Buck Regulator
Lowpower Semiconductor ...	LP6492	381Kb / 7P	30V 2.4A Synchronous Buck Converter
Major-Power Technology ...	MA5624	167Kb / 2P	30V Synchronous Buck Converter with 2ch CC/CV

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