MBR0520

更新时间： 2024-09-23 03:50:11

品牌	Logo	应用领域
安森美 - ONSEMI		稳压器二极管光电二极管
页数	文件大小	规格书
13页	152K
描述
1.5 A, 170 kHz, Buck Regulator with Synchronization Capability

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MBR0520 数据手册

NCP1546

1.5 A, 170 kHz, Buck

Regulator with

Synchronization Capability

The NCP1546 is a 1.5 A buck regulator IC operating at a

fixed−frequency of 170 kHz. The device uses the V t control

http://onsemi.com

architecture to provide unmatched transient response, the best overall

regulation and the simplest loop compensation for today’s high−speed

logic. The NCP1546 accommodates input voltages from 4.5 V to 40 V

and contains synchronization circuitry.

MARKING

DIAGRAM

The on−chip NPN transistor is capable of providing a minimum of

1.5 A of output current, and is biased by an external “boost” capacitor

to ensure saturation, thus minimizing on−chip power dissipation.

Protection circuitry includes thermal shutdown, cycle−by−cycle

current limiting and frequency foldback.

NCP1546

AWLYYWW G

18−LEAD DFN

MN SUFFIX

CASE 505

Features

• V Architecture Provides Ultra−Fast Transient Response, Improved

Regulation and Simplified Design

• 2.0% Error Amp Reference Voltage Tolerance

• Switch Frequency Decrease of 4:1 in Short Circuit Conditions

Reduces Short Circuit Power Dissipation

= Assembly Location

= Wafer Lot

= Year

• BOOST Lead Allows “Bootstrapped” Operation to Maximize

Efficiency

• Sync Function for Parallel Supply Operation or Noise Minimization

• Shutdown Lead Provides Power−Down Option

WW = Work Week

= Automotive Grade

= Pb−Free Package

(Note: Microdot may be in either location)

• 1.0 mA Quiescent Current During Power−Down

• Thermal Shutdown

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 12 of this data sheet.

• Soft−Start

• Pb−Free Packages are Available

Semiconductor Components Industries, LLC, 2007

Publication Order Number:

March, 2007 − Rev. 0

NCP1546/D

12 3 4 5 6 7...13

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MBR0520 替代型号

型号	品牌	替代类型	描述	数据表
MBR0520L	ONSEMI	功能相似	肖特基功率整流器，表面贴装，0.5 A，20 V
MBR0530T1G	ONSEMI	功能相似	Surface Mount Schottky Power Rectifier Plastic SOD−123 Package
MBR0530	ONSEMI	功能相似	1.5 A, 170 kHz, Buck Regulator with Synchronization Capability

与MBR0520相关器件

型号	品牌	获取价格	描述	数据表
MBR0520_13	MCC	获取价格	0.5 Amp Schottky Rectifier 20 to 80 Volts For Surface Mount Application
MBR0520FW	SWST	获取价格	肖特基二极管
MBR0520L	FAIRCHILD	获取价格	SCHOTTKY POWER RECTIFIER
MBR0520L	ONSEMI	获取价格	肖特基功率整流器，表面贴装，0.5 A，20 V
MBR0520L	ATMEL	获取价格	AT90USB1287 (AVR) 64 QFN device (2.7V VCC 5.5V)
MBR0520L	Linear	获取价格	True Color PWM Delivers Constant Color with 400:1 Dimming Range
MBR0520L	MCC	获取价格	0.5 Amp Schottky Rectifier 20 to 40 Volts
MBR0520L	SENSITRON	获取价格	SURFACE MOUNT SCHOTTKY BARRIER DIODE
MBR0520L	WON-TOP	获取价格	SMD
MBR0520L	SWST	获取价格	肖特基二极管

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