Datasheet > SP6123ACN.

SP6123ACN.

更新时间： 2024-09-14 20:03:35

品牌	Logo	应用领域
西伯斯 - SIPEX		/
页数	文件大小	规格书
16页	120K
描述
Analog Circuit,

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中文翻译

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技术参数
数据手册

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SP6123ACN. 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
Reach Compliance Code：	unknown	风险等级：	5.64
Base Number Matches：	1

SP6123ACN. 数据手册

SP6123

Low Voltage, 8 Pin, Synchronous Buck Controller

Ideal for 2A to 10A, Small Footprint, DC-DC Power Converters

■ Optimized for Single Supply, 3V - 7V Applications

■ High Efficiency: Greater Than 95% Possible

BST

SP6123

■ Accurate Fixed 300kHz (SP6123) or 500kHz

V_CC

(SP6123A) Frequency Operation

SWN

V_FB

GND

8 Pin SOIC

■ Fast Transient Response

COMP

■ Internal, 3ms, Soft Start Circuit

■ Accurate 0.8V Reference Allows Low Output

Voltages

APPLICATIONS

■ Resistor Programmable Output Voltage

■ DSP

■ Loss-less Current Limit with High Side R_DS(ON)

■ Microprocessor Core

■ I/O & Logic

Sensing

■ Hiccup Mode Current Limit Protection

■ Dual N-Channel MOSFET Synchronous Driver

■ Quiescent Current: 500µA, 30µA in Shutdown

■ 8-Pin Surface Mount Package

■ Industrial Control

■ Distributed Power

■ Low Voltage Power

DESCRIPTION

The SP6123 is a fixed frequency, voltage mode, synchronous PWM controller designed to

work from a single 5V or 3.3V input supply, providing excellent AC and DC regulation for high

efficiency power conversion. Requiring only few external components, the SP6123 pack-

aged in an 8-pin SOIC, is especially suited for low voltage applications where cost, small size

and high efficiency are critical. The operating frequency is internally set to 300kHz (SP6123)

or 500kHz (SP6123A), allowing small inductor values and minimizing PC board space. The

SP6123 drives an all N-channel synchronous power MOSFET stage for improved efficiency

and includes an accurate 0.8V reference for low output voltage applications.

APPLICATION SCHEMATIC

3V to 7V

MBR0530

680µF

CBST

1µF

BST

0.8V to 5.0V

2A to 10A

2.2µF

FDS6890A

(1.6V, 4A shown)

SP6123A

SWN

GND

OUT

1.5µH

COMP

10k

15k

OUT3

1µF

OUT1

470µF

OUT2

470µF

56pF

4.7nF

10k

FDS6890A

STPS2125U

Rev. 1/15/02

SP6123 Low Voltage, 8 Pin, Synchronous Buck Controller

12 3 4 5 6 7...16

中文翻译

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与SP6123ACN.相关器件

型号	品牌	获取价格	描述	数据表
SP6123ACN/TR	SIPEX	获取价格	Low Voltage, Synchronous Step-Down PWM Controller Ideal for 2A to 10A, Small Footprint, DC
SP6123ACN-L	SIPEX	获取价格	Switching Controller, Voltage-mode, 2A, 550kHz Switching Freq-Max, PDSO8, LEAD FREE, MS-01
SP6123ACN-L/TR	SIPEX	获取价格	Switching Controller, Voltage-mode, 2A, 550kHz Switching Freq-Max, PDSO8, LEAD FREE, MS-01
SP6123AE3	MICROSEMI	获取价格	Trans Voltage Suppressor Diode, 500W, 38.8V V(RWM), Bidirectional, 1 Element, Silicon, HER
SP6123CN	SIPEX	获取价格	Low Voltage, Synchronous Step-Down PWM Controller Ideal for 2A to 10A, Small Footprint, DC
SP6123CN/TR	SIPEX	获取价格	Low Voltage, Synchronous Step-Down PWM Controller Ideal for 2A to 10A, Small Footprint, DC
SP6123CN-L	SIPEX	获取价格	Switching Controller, Voltage-mode, 2A, 330kHz Switching Freq-Max, PDSO8, LEAD FREE, MS-01
SP6123EN	SIPEX	获取价格	Switching Controller, Voltage-mode, 2A, 330kHz Switching Freq-Max, PDSO8, PLASTIC, SOIC-8
SP6123EN-L/TR	SIPEX	获取价格	Switching Controller, Voltage-mode, 2A, 330kHz Switching Freq-Max, PDSO8, PLASTIC, SOIC-8
SP6124	MICROSEMI	获取价格	Trans Voltage Suppressor Diode, 500W, 42.6V V(RWM), Bidirectional, 1 Element, Silicon, HER

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