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SC1652CS PDF预览

SC1652CS

更新时间: 2024-09-30 22:50:19
品牌 Logo 应用领域
商升特 - SEMTECH 转换器DC-DC转换器
页数 文件大小 规格书
4页 84K
描述
MICROPOWER INVERTING DC-DC CONVERTER

SC1652CS 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:SO-8针数:8
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.92
模拟集成电路 - 其他类型:SWITCHING CONTROLLER控制模式:VOLTAGE-MODE
控制技术:PULSE FREQUENCY MODULATION最大输入电压:7 V
最小输入电压:2.4 V标称输入电压:5 V
JESD-30 代码:R-PDSO-G8JESD-609代码:e0
长度:4.9 mm功能数量:1
端子数量:8最高工作温度:70 °C
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
座面最大高度:1.75 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:PUSH-PULL
最大切换频率:160 kHz技术:CMOS
温度等级:COMMERCIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3.9 mmBase Number Matches:1

SC1652CS 数据手册

 浏览型号SC1652CS的Datasheet PDF文件第2页浏览型号SC1652CS的Datasheet PDF文件第3页浏览型号SC1652CS的Datasheet PDF文件第4页 
MICROPOWER INVERTING  
DC-DC CONVERTER  
SC1652  
TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com  
January 29, 1998  
DESCRIPTION  
FEATURES  
The SC1652 is a high performance inverting DC-DC  
converter, designed to drive an external power switch  
to generate programmable negative voltages. In the  
particularly suitable LCD bias contrast application,  
efficiency of 87% can be achieved with low cost PNP  
bipolar transistor drivers. The output voltage can be  
scaled to -40V by two external resistors. A pulse  
frequency modulation scheme is employed to maintain  
high efficiency conversion under wide input voltage  
ranges. Quiescent current is about 80µA and can be  
reduced to 0.7µA in shutdown mode. With a switching  
frequency range of 70kHz to 160kHz, small size  
switching components may be used, which is ideal for  
battery powered portable equipment such as notebook  
and palmtop computers.  
2.4V to 7V input voltage operation  
Adjustable output voltage up to -40V  
Low quiescent current at 80µA  
Pulse frequency modulation maintains high  
efficiency (max 87%)  
70kHz to 160kHz switching frequency  
Power-saving shutdown mode (0.7µA typical)  
High efficiency with low cost external PNP bipolar  
transistor  
APPLICATIONS  
Negative LCD Contrast Bias for  
1. Notebook & palmtop computers  
2. Pen-based data systems  
3. Portable data collection terminals  
4. Personal digital assistants  
Negative voltage supplies  
BLOCK DIAGRAM  
ORDERING INFORMATION  
DEVICE(1)  
VOUT  
PACKAGE  
SC1652CS  
Adj  
SO-8  
Note:  
(1) Add suffix ‘TR’ for tape and reel.  
PIN CONFIGURATION  
ABSOLUTE MAXIMUM RATINGS  
Parameter  
Symbol Maximum Units  
V+  
Supply Voltage  
7.0  
V
Operating  
Temperature Range  
TA  
0 to 70  
°C  
Storage Temperature  
Range  
TSTG  
-65 to 125  
°C  
© 1997 SEMTECH CORP.  
652 MITCHELL ROAD NEWBURY PARK CA 91320  

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