SC4524B

更新时间： 2024-11-19 04:05:23

品牌	Logo	应用领域
商升特 - SEMTECH		稳压器开关
页数	文件大小	规格书
18页	771K
描述
16V 2A Step-Down Switching Regulator

阅读下载

中文翻译

获取价格

数据手册

如果您发现信息不准确，欢迎纠错

SC4524B 数据手册

SC4524B

16V 2A Step-Down Switching Regulator

POWER MANAGEMENT

Features

Description



Wide input range: 3V to 16V

2A Output Current

200kHz to 2MHz Programmable Frequency

Precision 1V Feedback Voltage

Peak Current-Mode Control

Cycle-by-Cycle Current Limiting

Hiccup Overload Protection with Frequency Foldback

Soft-Start and Enable

Thermal Shutdown

The SC4524B is a constant frequency peak current-mode

step-down switching regulator capable of producing 2A

output current from an input ranging from 3V to 16V. The

switching frequency of the SC4524B is programmable

up to 2MHz, allowing the use of small inductors and

ceramic capacitors for miniaturization, and high input/

output conversion ratio. The SC4524B is suitable for

next generation XDSL modems, high-deﬁnition TVs and

various point of load applications.

Thermally Enhanced 8-pin SOIC Package

Fully RoHS and WEEE compliant

Peak current-mode PWM control employed in the

SC4524B achieves fast transient response with simple loop

compensation. Cycle-by-cycle current limiting and hiccup

overload protection reduces power dissipation during

output overload. Soft-start function reduces input start-

up current and prevents the output from overshooting

during power-up.

Applications



XDSL and Cable Modems

Set Top Boxes

Point of Load Applications

CPE Equipment

DSP Power Supplies

LCD and Plasma TVs

The SC4524B is available in SOIC-8 EDP package.

Typical Application Circuit

Efficiency

10V – 16V

1N4148

2.2mF

0.1mF

BST

V_IN= 12V

OUT

5V/2A

6.8mH

SC4524B

SS/EN

102k

GND

COMP

ROSC

20BQ030

25.5k

22mF

30.1k

18.2k

10nF

10pF

1nF

0.5

1.5

L1: Wurth 744 778 9006

C2: Murata GRM31CR60J226K

C4: Murata GRM31CR61E225K

Load Current (A)

Figure 1. 1MHz 10V-16V to 5V/2A Step-down Converter

November 1, 2007

12 3 4 5 6 7...18

中文翻译

下载PDF

与SC4524B相关器件

型号	品牌	获取价格	描述	数据表
SC4524B_08	SEMTECH	获取价格	18V 2A Step-Down Switching Regulator
SC4524BEVB	SEMTECH	获取价格	16V 2A Step-Down Switching Regulator
SC4524BSETRT	SEMTECH	获取价格	16V 2A Step-Down Switching Regulator
SC4524C	SEMTECH	获取价格	28V 2A Step-Down Switching Regulator Wide input range: 3V to 28V
SC4524CSETRT	SAMTEC	获取价格	28V 2A Step-Down Switching Regulator
SC4524D	SEMTECH	获取价格	18V 2A Step-Down Switching Regulator 2A Output Current
SC4524DSETRT	SEMTECH	获取价格	Switching Regulator, Current-mode, 4.3A, 1560kHz Switching Freq-Max, PDSO8, HALOGEN FREE A
SC4524E	SEMTECH	获取价格	28V 2A Step-Down Switching Regulator
SC4524EEVB	SEMTECH	获取价格	28V 2A Step-Down Switching Regulator
SC4524ESETRT	SEMTECH	获取价格	Switching Regulator,