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SC1650CS PDF预览

SC1650CS

更新时间: 2024-09-30 22:50:19
品牌 Logo 应用领域
商升特 - SEMTECH 转换器稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管DC-DC转换器
页数 文件大小 规格书
4页 93K
描述
HIGH-VOLTAGE INVERTING DC-DC CONVERTER

SC1650CS 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:SOP, SOP8,.25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:24 V
最小输入电压:4 V标称输入电压:13 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:320 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

SC1650CS 数据手册

 浏览型号SC1650CS的Datasheet PDF文件第2页浏览型号SC1650CS的Datasheet PDF文件第3页浏览型号SC1650CS的Datasheet PDF文件第4页 
HIGH-VOLTAGE INVERTING  
DC-DC CONVERTER  
SC1650  
TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com  
January 29, 1998  
DESCRIPTION  
FEATURES  
The SC1650 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,  
maximum efficiency of 90% can be achieved with low  
cost PNP bipolar transistor drivers. The 4V to 24V  
input operation range allows the SC1650 to be  
powered directly by the battery pack in most battery-  
operated applications for greater efficiency. The output  
voltage can be scaled to -40V by two external  
4V to 24V input voltage operation  
Adjustable output voltage up to -40V  
Low quiescent current at 100µA  
Pulse frequency modulation maintains high  
efficiency (max 90%)  
100kHz to 320kHz switching frequency  
Power-Saving shutdown mode (8µA typical)  
High efficiency with low cost external PNP bipolar  
transistor  
resistors. A pulse frequency modulation scheme is  
employed to maintain high efficiency conversion under  
wide input voltage ranges. Quiescent current is about  
100µA and can be reduced to 8µA in shutdown mode.  
With a switching frequency range of 100kHz to  
320kHz, small size switching components may be  
used, which is ideal for battery powered portable  
equipment such as notebook and palmtop computers.  
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  
SC1650CS  
Adj  
SO-8  
Note:  
(1) Add suffix ‘TR’ for tape and reel.  
ABSOLUTE MAXIMUM RATINGS  
Parameter  
Symbol Maximum Units  
V+  
Supply Voltage  
SHDN Voltage  
24  
15  
V
V
VSHDN  
PIN CONFIGURATION  
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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