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SC1401ISST

更新时间： 2024-01-27 15:51:15
品牌 Logo 应用领域
商升特 - SEMTECH 控制器便携式
页数 文件大小 规格书
17页 203K
描述
Switching Controller, Current-mode, 2A, 335kHz Switching Freq-Max, BICMOS, PDSO20, SSOP-20

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SC1401ISST 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：SSOP
包装说明：SSOP,针数：20
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.84
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制模式：CURRENT-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：30 V
最小输入电压：6 V标称输入电压：12 V
JESD-30 代码：R-PDSO-G20JESD-609代码：e3
长度：7.2 mm功能数量：1
端子数量：20最高工作温度：85 °C
最低工作温度：-40 °C最大输出电流：2 A
封装主体材料：PLASTIC/EPOXY封装代码：SSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
座面最大高度：2 mm表面贴装：YES
切换器配置：SINGLE最大切换频率：350 kHz
技术：BICMOS温度等级：INDUSTRIAL
端子面层：MATTE TIN端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：5.3 mm
Base Number Matches：1

SC1401ISST 数据手册

 浏览型号SC1401ISST的Datasheet PDF文件第2页浏览型号SC1401ISST的Datasheet PDF文件第3页浏览型号SC1401ISST的Datasheet PDF文件第4页浏览型号SC1401ISST的Datasheet PDF文件第5页浏览型号SC1401ISST的Datasheet PDF文件第6页浏览型号SC1401ISST的Datasheet PDF文件第7页 
HIGH PERFORMANCE SYNCHRONOUS BUCK  
CONTROLLER WITH LDO FOR PORTABLE  
POWER  
SC1401  
November 21, 2000  
TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com  
DESCRIPTION  
FEATURES  
The SC1401 is a synchronous buck regulator designed  
to power the latest generation microprocessors in  
battery operated systems. The SC1401 may be used  
to provide both the I/O and core voltages utilizing  
synchronous rectification for the core supply voltage  
and an LDO N-Channel MOSFET controller for the I/O  
supply voltage. A 1.25 volt reference allows lower  
output voltages required by today’s portable  
microprocessors.  
•
•
•
•
•
•
•
•
•
>90% Efficiency (SMPS)  
6.0V to 30V Input range  
1.25V to 5.5V Adjustable output (SMPS)  
PWM and LDO regulator outputs  
High output gate drive of 2 Amps (SMPS)  
Power save mode for light load operation  
200kHz/300kHz fixed-frequency PWM operation  
2mA Typical quiescent current  
The synchronous buck regulator is capable of  
achieving efficiencies up to 95%. The gate drive  
circuitry can deliver 2.0A peak currents, allowing the  
use of N-channel MOSFETs for lower switching and  
conduction losses.  
2µA Typical shutdown current  
APPLICATIONS  
A digital soft start is provided to ensure orderly start up  
of the power supply without the need for external  
components. At light load in power save mode, the  
controller changes mode of operation by missing gate  
drive cycles, thus reducing gate drive current and  
improving efficiency. A logic high on PSAVE disables  
the power saving mode thus reducing noise. The  
SC1401 is fabricated in a high performance BiCMOS  
process. This process reduces the power dissipation  
in low current and shutdown operation modes and  
improves efficiency.  
•
•
•
Notebook and palmtop computers  
LCD monitors  
Internet appliances  
ORDERING INFORMATION  
DEVICE  
PACKAGE  
TEMP. (TA)  
SC1401ISS  
SSOP-20  
-40°C - +85°C  
Notes  
(1) Add suffix “TR” for tape and reel.  
The LDO controller is a high performance positive  
voltage regulator designed to provide a low noise  
power source to the microprocessor peripherals by  
driving a low cost external N-Channel MOSFET.  
VIN  
TYPICAL APPLICATION CIRCUIT  
C1  
C2  
C3  
C4  
C5  
ENABLE_IO  
RESET  
VDD2  
C6  
PSAVE  
U1  
SC1401ISS  
1
20  
SYNC  
SHDN  
SYNC  
SHDN  
FB  
PSAVE  
RESET  
Q1  
2
3
19  
18  
17  
16  
15  
14  
13  
12  
11  
VO_LINEAR  
D1  
R1  
ENABLEIO  
IOS  
C7  
C8  
4
VDD1  
GND  
CSL  
R2  
5
GATEIO  
VDD2  
BST  
+5V  
R3  
6
Q2  
D2  
7
CSH  
V5V  
L1  
C9  
R4  
8
+5V  
DH  
VO_SMPS  
C10  
C11  
C12  
C13  
C14  
9
C15  
D3  
DL  
PHASE  
PGND  
R5  
R7  
D4  
Q3  
10  
PGND  
R6  
C16  
1
652 MITCHELL ROAD NEWBURY PARK CA 91320  
© 2000 SEMTECH CORP.  
1234567...17

中文翻译

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与SC1401ISST相关器件

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SC1401ISSTR SEMTECH

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SC1401ISSTRT SEMTECH

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 		Switching Controller, Current-mode, 2A, 350kHz Switching Freq-Max, BICMOS, PDSO20, MO-150A
SC1402 SEMTECH

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 		Multi-Output, Low-Noise Power Supply Controller for Notebook Computers
SC1402ISS SEMTECH

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 		Multi-Output, Low-Noise Power Supply Controller for Notebook Computers
SC1402ISS.TR SEMTECH

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 		Switching Controller, Current-mode, 1A, 330kHz Switching Freq-Max, PDSO28, MO-150AH, SSOP-
SC1402ISS.TRT SEMTECH

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 		Switching Controller, Current-mode, 1A, 330kHz Switching Freq-Max, PDSO28, MO-150AH, SSOP-
SC1402ISST SEMTECH

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 		Switching Controller, Current-mode, 0.2A, 330kHz Switching Freq-Max, PDSO28, SSOP-28
SC1402ISSTR SEMTECH

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 		Switching Controller, Current-mode, 330kHz Switching Freq-Max, PDSO28, MO-150AH, SSOP-28
SC1403 SEMTECH

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 		Mobile Multi-Output PWM Controller with Virtual Current SenseTM
SC1403_04 SEMTECH

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 		Mobile Multi-Output PWM Controller with Lossless Current Sense

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