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SG2526BJ PDF预览

SG2526BJ

更新时间: 2024-02-09 04:34:05
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脉冲
页数 文件大小 规格书
9页 212K
描述
REGULATING PULSE WIDTH MODULATOR

SG2526BJ 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:PLASTIC, DIP-18Reach Compliance Code:unknown
风险等级:5.8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:R-PDIP-T18
JESD-609代码:e0功能数量:1
端子数量:18最高工作温度:85 °C
最低工作温度:-25 °C最大输出电流:0.2 A
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装等效代码:DIP18,.3封装形状:RECTANGULAR
封装形式:IN-LINE认证状态:Not Qualified
子类别:Switching Regulator or Controllers表面贴装:NO
切换器配置:PUSH-PULL最大切换频率:350 kHz
技术:BIPOLAR温度等级:OTHER
端子面层:Tin/Lead (Sn/Pb)端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
Base Number Matches:1

SG2526BJ 数据手册

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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  

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