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UCC1807D-1 PDF预览

UCC1807D-1

更新时间: 2024-11-28 12:16:55
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光电二极管信息通信管理
页数 文件大小 规格书
11页 312K
描述
Programmable Maximum Duty Cycle PWM Controller

UCC1807D-1 技术参数

生命周期:Obsolete零件包装代码:SOIC
包装说明:SOIC-8针数:8
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.84
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
最小输入电压:7.5 V标称输入电压:10 V
JESD-30 代码:R-PDSO-G8长度:4.89 mm
功能数量:1端子数量:8
最高工作温度:125 °C最低工作温度:-55 °C
最大输出电流:1 A封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
认证状态:Not Qualified座面最大高度:1.75 mm
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:BUCK-BOOST最大切换频率:1000 kHz
技术:BICMOS温度等级:MILITARY
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL宽度:3.9 mm
Base Number Matches:1

UCC1807D-1 数据手册

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application  
INFO  
UCC1807-1/-2/-3  
UCC2807-1/-2/-3  
UCC3807-1/-2/-3  
available  
Programmable Maximum Duty Cycle PWM Controller  
FEATURES  
DESCRIPTION  
User Programmable Maximum PWM  
Duty Cycle  
The UCC3807 family of high speed, low power integrated circuits contains  
all of the control and drive circuitry required for off-line and DC-to-DC fixed  
frequency current mode switching power supplies with minimal external  
parts count.  
100mA Startup Current  
Operation to 1MHz  
These devices are similar to the UCC3800 family, but with the added fea-  
ture of a user programmable maximum duty cycle. Oscillator frequency and  
maximum duty cycle are programmed with two resistors and a capacitor.  
The UCC3807 family also features internal full cycle soft start and internal  
leading edge blanking of the current sense input.  
Internal Full Cycle Soft Start  
Internal Leading Edge Blanking of  
Current Sense Signal  
1A Totem Pole Output  
The UCC3807 family offers a variety of package options, temperature  
range options, and choice of critical voltage levels. The family has UVLO  
thresholds and hysteresis levels for off-line and battery powered systems.  
Thresholds are shown in the table below.  
Part Number  
UCCx807-1  
UCCx807-2  
UCCx807-3  
Turn-on Threshold  
Turn-off Threshold  
Packages  
J
N, D  
7.2V  
12.5V  
4.3V  
6.9V  
8.3V  
4.1V  
N, D, PW  
BLOCK DIAGRAM  
UDG-95001-1  
SLUS163 - JUNE 1997  
1

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