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SG1846F/DESC PDF预览

SG1846F/DESC

更新时间: 2024-11-27 22:15:27
品牌 Logo 应用领域
美高森美 - MICROSEMI 稳压器开关式稳压器或控制器电源电路开关式控制器
页数 文件大小 规格书
10页 213K
描述
CURRENT MODE PWM CONTROLLER

SG1846F/DESC 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Active零件包装代码:DFP
包装说明:DFP,针数:16
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.65
Is Samacsys:N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:40 V最小输入电压:8 V
标称输入电压:15 VJESD-30 代码:R-GDFP-F16
JESD-609代码:e0功能数量:1
端子数量:16最高工作温度:125 °C
最低工作温度:-55 °C最大输出电流:0.5 A
封装主体材料:CERAMIC, GLASS-SEALED封装代码:DFP
封装形状:RECTANGULAR封装形式:FLATPACK
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
座面最大高度:1.91 mm表面贴装:YES
切换器配置:PUSH-PULL最大切换频率:500 kHz
温度等级:MILITARY端子面层:TIN LEAD
端子形式:FLAT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:6.45 mmBase Number Matches:1

SG1846F/DESC 数据手册

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SG1846/SG2846/SG3846  
CURRENT MODE PWM CONTROLLER  
DESCRIPTION  
FEATURES  
The SG1846 family of control ICs provides all of the necessary  
features to implement fixed frequency, current mode control  
schemes while maintaining a minimum external parts count. The  
superior performance of this technique can be measured in im-  
proved line regulation, enhanced load response characteristics,  
and a simpler, easier-to-design control loop. Topological advan-  
tages include inherent pulse-by-pulse current limiting capability,  
automatic symmetry correction for push-pull converters, and the  
ability to parallel “power modules” while maintaining equal current  
sharing.  
Automatic feed forward compensation  
Programmable pulse by pulse current limiting  
Automatic symmetry correction in push-pull  
configuration  
Enhanced load response characteristics  
Parallel operation capability for modular power  
systems  
Differential current sense amplifier with wide  
common mode range  
Double pulse suppression  
200mA totem-pole outputs  
± 1% bandgap reference  
Under-voltage lockout  
Soft-start capability  
Shutdown capability  
500KHz operation  
Protection circuitry includes built-in under-voltage lockout and  
programmable current limit in addition to soft start capability. A  
shutdown function is also available which can initiate either a  
complete shutdown with automatic restart or latch the supply off.  
Other features include fully latched operation, double pulse sup-  
pression, deadtime adjust capability, and a ±1% trimmed bandgap  
reference.  
HIGH RELIABILITY FEATURES - SG1846  
Available to MIL-STD - 883  
Radiation data available  
LMI level "S" processing available  
BLOCK DIAGRAM  
4/90 Rev 1.1 2/94  
LINFINITY Microelectronics Inc.  
Copyright 1994  
11861 Western Avenue Garden Grove, CA 92841  
(714) 898-8121 FAX: (714) 893-2570  
1

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