NX2113A

更新时间： 2024-11-17 06:00:39

品牌	Logo	应用领域
美高森美 - MICROSEMI		控制器
页数	文件大小	规格书
19页	724K
描述
300kHz & 600kHz SYNCHRONOUS PWM CONTROLLER WITH PROGRAMMABLE BUS UVLO

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中文翻译

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数据手册

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NX2113A 数据手册

Evaluation board available.

NX2113/2113A

300kHz & 600kHz SYNCHRONOUS PWM CONTROLLER WITH

PROGRAMMABLE BUS UVLO

PRELIMINARY DATA SHEET

Pb Free Product

FEATURES

DESCRIPTION

n Synchronous Controller in 10 Pin Package

The NX2113 controller IC is a synchronous Buck con-

troller IC designed for step down DC to DC converter

applications. Synchronous control operation replaces the

traditional catch diode with an Nch MOSFET resulting

in improved converter efficiency. The NX2113 controller

is optimized to convert bus voltages from 2V to 25V to

outputs as low as 0.8V voltage using Enable pin to

program the BUS voltage start up threshold. The NX2113

operates at 300kHz while 2113A is set at 600kHz

operation which together with less than 50 nS of dead

band provides an efficient and cost effective solution.

Other features of the device are:

Bus voltage operation from 2V to 25V

Enable pin allows programmable BUS UVLO

Less than 50 nS adaptive deadband

n Internal 300kHz for 2113 and 600kHz for 2113A

n Internal Digital Soft Start Function

n Separated power ground and analog ground for

extra noise filtering

n Pb-free and RoHS compliant

APPLICATIONS

Graphic Card on board converters

Memory Vcore or Vddq supply

On board DC to DC such as

12V, 5V to 3.3V, 2.5V or 1.8V

Hard Disk Drive

Internal digital soft start; Vcc undervoltage lock out;

Output undervoltage protection with digital filter and shut-

down capability via the enable pin.

TYPICAL APPLICATION

L2 1uH

Vin

+12V

1uF

Cin

47uF

270uF,18mohm

1uF

Vin

+5V

1uF

0.1uF

68k

BST

Vcc PVcc

L1 1.5uH

Hdrv

2N3904

OFF

10k

12.4k

Vout

1uF

Comp

+1.6V,10A

47pF

2.7nF

10k

3x (220uF,12mohm)

Ldrv

11k

Gnd

PGnd

R1 10k 1%

10k 1%

2.2nF

1.2k

Figure1 - Typical application of 2113A

ORDERING INFORMATION

Device

Temperature

0 to 70^oC

Package

Frequency

300kHz

600kHz

Pb-Free

Yes

NX2113CMTR

NX2113CUTR

NX2113ACMTR

NX2113ACUTR

MLPD-10L

MSOP-10L

MLPD-10L

MSOP-10L

Rev. 2.0

11/18/05

12 3 4 5 6 7...19

中文翻译

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与NX2113A相关器件

型号	品牌	获取价格	描述	数据表
NX2113ACMTR	MICROSEMI	获取价格	300kHz & 600kHz SYNCHRONOUS PWM CONTROLLER WITH PROGRAMMABLE BUS UVLO
NX2113ACUTR	MICROSEMI	获取价格	300kHz & 600kHz SYNCHRONOUS PWM CONTROLLER WITH PROGRAMMABLE BUS UVLO
NX2113CMTR	MICROSEMI	获取价格	300kHz & 600kHz SYNCHRONOUS PWM CONTROLLER WITH PROGRAMMABLE BUS UVLO
NX2113CUTR	MICROSEMI	获取价格	300kHz & 600kHz SYNCHRONOUS PWM CONTROLLER WITH PROGRAMMABLE BUS UVLO
NX2114	MICROSEMI	获取价格	300kHz & 600kHz SYNCHRONOUS PWM CONTROLLER
NX2114A	MICROSEMI	获取价格	300kHz & 600kHz SYNCHRONOUS PWM CONTROLLER
NX2114ACSTR	MICROSEMI	获取价格	300kHz & 600kHz SYNCHRONOUS PWM CONTROLLER
NX2114CSTR	MICROSEMI	获取价格	300kHz & 600kHz SYNCHRONOUS PWM CONTROLLER
NX2116	MICROSEMI	获取价格	SYNCHRONOUS PWM CONTROLLER WITH CURRENT LIMIT, POWER GOOD & OVER VOLTAGE
NX2116A	MICROSEMI	获取价格	SYNCHRONOUS PWM CONTROLLER WITH CURRENT LIMIT, POWER GOOD & OVER VOLTAGE

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