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UC2965N PDF预览

UC2965N

更新时间: 2024-11-05 19:38:07
品牌 Logo 应用领域
德州仪器 - TI 光电二极管
页数 文件大小 规格书
5页 60K
描述
SPECIALTY ANALOG CIRCUIT, CDIP8

UC2965N 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:DIP包装说明:DIP, DIP8,.3
针数:8Reach Compliance Code:not_compliant
HTS代码:8542.39.00.01风险等级:5.92
模拟集成电路 - 其他类型:ANALOG CIRCUITJESD-30 代码:R-PDIP-T8
长度:9.78 mm功能数量:1
端子数量:8最高工作温度:85 °C
最低工作温度:-40 °C标称输出电压:2.5 V
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装等效代码:DIP8,.3封装形状:RECTANGULAR
封装形式:IN-LINE峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified座面最大高度:5.33 mm
子类别:Voltage References最大供电电压 (Vsup):20 V
最小供电电压 (Vsup):4.3 V标称供电电压 (Vsup):5 V
表面贴装:NO技术:BIPOLAR
温度等级:INDUSTRIAL端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED微调/可调输出:NO
最大电压容差:1%宽度:7.62 mm
Base Number Matches:1

UC2965N 数据手册

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application  
INFO  
UC1965  
UC2965  
UC3965  
available  
Precision Reference with Low Offset Error Amplifier  
FEATURES  
DESCRIPTION  
Accessible 2.5V Precision Reference  
The UC3965 is suitable for applications needing greater precision and  
more functionality than the TL431 type shunt regulators. The wide range  
VCC input capability enables the device to be biased from the secondary  
side output voltage rail, resulting in closed loop soft start.  
0.4% Initial Reference Accuracy  
1% Reference Accuracy over Line,  
Load, and Full Temperature Range  
The UC3965 includes an accessible 2.5V precision reference which offers  
0.4% initial and 1% reference accuracy over line, load, and full tempera-  
ture range with a low offset error amplifier, a 2X inverting amplifier/buffer,  
and an undervoltage lockout circuit. The IC is ideally suited for applica-  
tions where high precision PWM power supply regulation is required.  
Typically, the error amplifier is configured to compare a fraction of the to  
be regulated power supply voltage to the on-chip 2.5V reference. The 2X  
amplifier/buffer output is then used to drive a PWM controller or regulator.  
The UC3965 is also capable of driving an optocoupler diode for isolated  
applications.  
Low 1mV Offset Error Amplifier  
Supports Closed Loop Soft Start  
2X Inverting Amplifier / Buffer Output  
4.1V Undervoltage Lockout  
ICC 2mA at 5V  
8-Pin SOIC or DIL Package  
BLOCK DIAGRAM  
OFFSET  
VCC  
1
2
8
7
6
5
COMP  
VFB  
VREF  
2.5V  
UVLO  
5k  
+
OB  
VCC  
5k  
VOUT  
GND  
3
4
VREF  
NI  
EA  
+
15k  
7.5k  
2k  
UDG-98055  
SLUS300A - APRIL 1999  

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