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SC1402ISS.TRT

更新时间: 2024-11-24 20:54:43
品牌 Logo 应用领域
商升特 - SEMTECH 开关光电二极管
页数 文件大小 规格书
18页 270K
描述
Switching Controller, Current-mode, 1A, 330kHz Switching Freq-Max, PDSO28, MO-150AH, SSOP-28

SC1402ISS.TRT 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:28
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.83
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:15 V
JESD-30 代码:R-PDSO-G28JESD-609代码:e3
长度:10.2 mm功能数量:2
端子数量:28最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流:1 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:PUSH-PULL最大切换频率:330 kHz
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 mmBase Number Matches:1

SC1402ISS.TRT 数据手册

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Multi-Output, Low-Noise Power Supply  
Controller for Notebook Computers  
SC1402  
TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com  
December 15, 2000  
DESCRIPTION  
FEATURES  
= 6V to 30V Input range  
The SC1402 is pin compatible with the MAX1632 with  
improved load regulation performance. The SC1402 is  
a multiple-output power supply controller designed to  
power logic supply components in battery operated  
systems. The SC1402 utilizes synchronous rectified  
buck topologies to generate two voltages, (3.3V and  
5V) with up to 95% efficiency. It also provides two lin-  
ear regulators for system housekeeping functions. The  
12V linear regulator output is generated from a coupled  
inductor of the 5V switching regulator.  
= 3.3V and 5V dual synchronous rectified outputs  
= Fixed frequency or PSAVE for maximum efficiency  
over wide load current range  
= 5V/50mA linear regulator  
= 12V/120mA linear regulator  
= Precision 2.5V reference output  
= Programmable power-up sequence  
= Power good output (RESET)  
= Output over current protection  
= Output over voltage protection  
= Output under voltage shut down  
= 4µA typical shut down current  
= 7mW typical quiescent power  
Control functions include: power up sequencing, soft  
start, power-good signaling, automatic bootstrapping  
for high side MOSFETs, and frequency synchroniza-  
tion. An internal precision 2.5V reference ensures ±2%  
output voltage. The internal oscillator can be adjusted  
to 200kHz, 300kHz or synchronized to an external  
clock. The MOSFET drivers provide 1A peak drive  
current for fast MOSFET switching.  
APPLICATIONS  
= Notebook and subnotebook computers  
= PDAs and Mobile communicators  
= Desktop DC-DC converters  
The SC1402 includes a PSAVE enable input to select  
a pulse skipping mode for high efficiency or a fixed fre-  
quency mode for low noise operation.  
ORDERING INFORMATION:  
DEVICE  
PACKAGE(1)  
TEMP. (TA)  
SC1402ISS  
SSOP-28  
-40 - +85°C  
Note:  
(1) Only available in tape and reel packaging. (Suffix ‘.TR’).  
TYPICAL APPLICATION CIRCUIT  
1
NEWBURY PARK CA 91320  
© 2000 SEMTECH CORP.  
652 MITCHELL ROAD  

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