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85515012A PDF预览

85515012A

更新时间: 2024-02-22 22:06:46
品牌 Logo 应用领域
德州仪器 - TI 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
11页 614K
描述
Regulating Pulse Width Modulator

85515012A 技术参数

生命周期:Obsolete包装说明:CERAMIC, LCC-20
Reach Compliance Code:unknown风险等级:5.28
Is Samacsys:N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
长度:8.89 mm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峰值回流温度(摄氏度):NOT APPLICABLE
认证状态:Not Qualified座面最大高度:2.03 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:400 kHz
技术:CMOS温度等级:MILITARY
端子形式:NO LEAD端子节距:1.27 mm
端子位置:QUAD处于峰值回流温度下的最长时间:NOT APPLICABLE
宽度:8.89 mmBase Number Matches:1

85515012A 数据手册

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UC1526  
UC2526  
UC3526  
Regulating Pulse Width Modulator  
FEATURES  
8 To 35V Operation  
DESCRIPTION  
The UC1526 is a high performance monolithic pulse width modulator  
circuit designed for fixed-frequency switching regulators and other  
power control applications. Included in an 18-pin dual-in-line pack-  
age are a temperature compensated voltage reference, sawtooth os-  
cillator, error amplifier, pulse width modulator, pulse metering and  
setting logic, and two low impedance power drivers. Also included  
are protective features such as soft-start and under-voltage lockout,  
digital current limiting, double pulse inhibit, a data latch for single  
pulse metering, adjustable deadtime, and provision for symmetry cor-  
rection inputs. For ease of interface, all digital control ports are TTL  
and B-series CMOS compatible. Active LOW logic design allows  
wired-OR connections for maximum flexibility. This versatile device  
can be used to implement single-ended or push-pull switching regu-  
lators of either polarity, both transformerless and transformer cou-  
pled. The UC1526 is characterized for operation over the full military  
temperature range of -55°C to +125°C. The UC2526 is characterized  
for operation from -25°C to +85°C, and the UC3526 is characterized  
for operation from 0° to +70°C.  
5V Reference Trimmed To ±1%  
1Hz To 400kHz Oscillator Range  
Dual 100mA Source/Sink Outputs  
Digital Current Limiting  
Double Pulse Suppression  
Programmable Deadtime  
Under-Voltage 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  
BLOCK DIAGRAM  
6/93  

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