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SG1526B PDF预览

SG1526B

更新时间： 2024-01-04 23:05:21
品牌 Logo 应用领域
美高森美 - MICROSEMI 脉冲
页数 文件大小 规格书
9页 212K
描述
REGULATING PULSE WIDTH MODULATOR

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中文翻译

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SG1526B 技术参数

是否Rohs认证： 不符合生命周期：Transferred
包装说明：CERAMIC, LCC-20Reach Compliance Code：unknown
风险等级：5.77模拟集成电路 - 其他类型：SWITCHING CONTROLLER
控制模式：VOLTAGE-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：35 V最小输入电压：8 V
标称输入电压：15 VJESD-30 代码：S-CQCC-N20
JESD-609代码：e0功能数量：1
端子数量：20最高工作温度：125 °C
最低工作温度：-55 °C最大输出电流：0.2 A
封装主体材料：CERAMIC, METAL-SEALED COFIRED封装代码：QCCN
封装等效代码：LCC20,.35SQ封装形状：SQUARE
封装形式：CHIP CARRIER认证状态：Not Qualified
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：350 kHz
技术：BIPOLAR温度等级：MILITARY
端子面层：Tin/Lead (Sn/Pb)端子形式：NO LEAD
端子节距：1.27 mm端子位置：QUAD
Base Number Matches：1

SG1526B 数据手册

 浏览型号SG1526B的Datasheet PDF文件第2页浏览型号SG1526B的Datasheet PDF文件第3页浏览型号SG1526B的Datasheet PDF文件第4页浏览型号SG1526B的Datasheet PDF文件第5页浏览型号SG1526B的Datasheet PDF文件第6页浏览型号SG1526B的Datasheet PDF文件第7页 
SG1526B/SG2526B/SG3526B  
REGULATING PULSE WIDTH MODULATOR  
DESCRIPTION  
FEATURES  
• 8 to 35 volt operation  
The SG1526B is a high-performance pulse width modulator for switching  
power supplies which offers improved functional and electrical characteris-  
tics over the industry-standard SG1526. A direct pin-for-pin replacement for  
the earlier device with all its features, it incorporates the following enhance-  
ments: a bandgap reference circuit for improved regulation and drift  
characteristics, improved undervoltage lockout, lower temperature coeffi-  
cients on oscillator frequency and current-sense threshold, tighter toler-  
ance on softstart time, much faster SHUTDOWN response, improved  
double-pulse supperession logic for higher speed operation, and an im-  
proved output driver design with low shoot-through current, and faster rise  
and fall times. This versatile device can be used to implement single-ended  
or push-pull switching regulators of either polarity, both transformer-less  
and transformer-coupled. The SG1526B is specified for operation over the  
full military ambient temperature range of -55°C to 150°C. The SG2526B  
ischaracterizedfortheindustrialrangeof-25°Cto150°C, andtheSG3526B  
is designed for the commercial range of 0°C to 125°C.  
• 5V low drift 1% bandgap reference  
• 1Hz to 500KHz oscillator range  
• Dual 100mA source/sink  
• Digital current limiting  
• Double pulse suppression  
• Programmable deadtime  
• Improved undervoltage lockout  
• Single pulse metering  
• Programmable soft-start  
• Wide current limit common mode range  
• TTL/CMOS compatible logic ports  
• Symmetry correction capability  
• Guaranteed 6 unit synchronization  
• Shoot thru currents less than 100mA  
• Improved shutdown delay  
• Improved rise and fall time  
HIGH RELIABILITY FEATURES - SG1526B  
♦ Available to MIL-STD-883  
♦ MIL-M38510/12603BVA - JAN1526BJ  
♦ Radiation data available  
♦ LMI level "S" processing available  
BLOCK DIAGRAM  
VREF  
+VC  
Reference  
Regulator  
Undervoltage  
Lockout  
+VIN  
GROUND  
To Internal  
Circuitry  
RD  
RT  
SYNC  
Oscillator  
OUTPUT A  
CT  
RESET  
Soft  
Start  
CSOFTSTART  
S
R
Q
T
COMPENSATION  
+VIN  
Amp  
Q
Q
S
MEMORY  
F/F  
TOGGLE  
F/F  
Q
Q
+ ERROR  
— ERROR  
D
OUTPUT B  
METERING  
F/F  
+ C.S.  
— C.S.  
SHUTDOWN  
4/90 Rev 1.1 2/94  
LINFINITY Microelectronics Inc.  
Copyright 1994  
11861 Western Avenue ∞ Garden Grove, CA 92841  
1
(714) 898-8121 ∞ FAX: (714) 893-2570  
1234567...9

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