Datasheet > NX2710CSTR

NX2710CSTR

更新时间： 2024-09-27 06:00:39

品牌	Logo	应用领域
美高森美 - MICROSEMI		稳压器控制器
页数	文件大小	规格书
23页	747K
描述
SINGLE CHANNEL PWM CONTROLLER WITH NMOS LDO CONTROLLER AND 5V BIAS REGULATOR

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中文翻译

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数据手册

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NX2710CSTR 数据手册

NX2710

SINGLE CHANNEL PWM CONTROLLER WITH NMOS LDO

CONTROLLER AND 5V BIAS REGULATOR

ADVANCE DATA SHEET

Pb Free Product

FEATURES

DESCRIPTION

Bus voltage operation from 9V to 24V

5V bias regulator available

The NX2710 controller IC is a compact synchronous

Buck controller IC with 16 lead SOIC package designed

for step down DC to DC converter applications with

feedforward functionality. Voltage feedforward provides

fast response, good line regulation and nearly constant

power stage gain under wide voltage input range. The

NX2710 controller is optimized to convert single sup-

ply up to 24V bus voltage to as low as 0.8V output

voltage. Internal UVLO keeps the regulator off until the

supply voltage exceeds 9V where internal digital soft

starts get initiated to ramp up output. The NX2710 em-

ploys programmable current limiting and FB UVLO

followed by HICCUP feature. Other features include:

5V gate drive, Programmable frequency from 300kHz

to 1MHz, Adaptive deadband control, Internal digital

soft start; Vcc under voltage lockout and shutdown ca-

pability via comp pin.

Excellent dynamic response with input voltage

feed-forward and voltage mode control

Programmable switching frequency up to 1MHz

Internal Digital Soft Start Function

Programmable hiccup current limit

Shutdown by pulling COMP pin low

NMOS LDO controller available

Start into precharged output

^{Pb-free and RoHS comp}A^lianP^tPLICATIONS

Notebook PC

Graphic Card on board converters

On board DC to DC such as

12V to 3.3V, 2.5V or 1.8V

Set Top Box and LCD Display

TYPICAL APPLICATION

DO3316P-102

VIN1

+12V

MBR0530T1

2*16SVP330M

VIN

BST

1uF

0.1uF

1ohm

HDRV

0.75uH

VOUT1

REGCS

+1.2V@25A

8.06k

OCP

3.3nF

1.2k

2*(560uF,7mohm)

7.5k

LDRV

GND

REGOUT

VCC

+5V

10uF

1uF

2.5k

15nF

Comp

15k

680pF

VIN2

+3.3V

REGFB

1.65k

MTD3055

LDO OUT

LDO FB

82pF

VOUT2

+1.6V@2A

150uF

18mohm

Figure1 - Typical application of NX2710

ORDERING INFORMATION

Device

NX2710CSTR

Temperature

0 to 70^oC

Package

SOIC -16L

Frequency

300kHz to 1MHz

Pb-Free

Yes

Rev. 1.3

08/07/07

12 3 4 5 6 7...23

中文翻译

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