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AP3845CP PDF预览

AP3845CP

更新时间: 2024-11-21 04:06:23
品牌 Logo 应用领域
BCDSEMI 开关光电二极管控制器
页数 文件大小 规格书
13页 176K
描述
CURRENT MODE PWM CONTROLLER

AP3845CP 技术参数

是否Rohs认证: 不符合生命周期:Transferred
零件包装代码:DIP包装说明:DIP,
针数:8Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.58Is Samacsys:N
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:CURRENT-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:25 V
最小输入电压:12 V标称输入电压:15 V
JESD-30 代码:R-PDIP-T8长度:9.2 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
最大输出电流:1 A封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装形状:RECTANGULAR
封装形式:IN-LINE座面最大高度:4.31 mm
表面贴装:NO切换器配置:SINGLE
最大切换频率:500 kHz温度等级:INDUSTRIAL
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL宽度:7.62 mm
Base Number Matches:1

AP3845CP 数据手册

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Data Sheet  
CURRENT MODE PWM CONTROLLER  
AP384XC  
General Description  
Features  
The AP3842C/3C/4C/5C are high performance fixed  
frequency current-mode PWM controller series.  
·
Low Start-up Current: 50µA  
Robust V Line/Load Regulation  
·
REF  
Low Line Regulation : 4mV  
Low Load Regulation : 4mV  
High Stability of Reference Voltage over a Full  
These integrated circuits are optimized for off-line and  
DC-DC converter applications with minimum external  
components. They feature under-voltage lockout  
(UVLO) circuit with low start-up current, trimmed  
oscillator for precise duty cycle control, current sense  
comparator providing maximum current limiting and a  
totem pole output stage for increasing output current.  
In addition, these ICs also feature accurate protection  
against over-temperature, over-current and maximal  
output power.  
·
o
Temperature Range: 0.2mV/ C  
·
·
Operating Frequency up to 500KHz  
High PWM Frequency Stability over a Full Tem-  
perature Range: 2.5%  
High PWM Frequency Stability under a Full Sup-  
ply Voltage Range: 0.2%  
Accurate Over-temperature Protection with Hys-  
teresis  
UVLO with Hysteresis  
·
·
·
The AP3842C and AP3844C have UVLO thresholds  
of 16V(on) and 10V(off); The corresponding thresh-  
olds for AP3843C and AP3845C are 8.4 V(on) and  
7.6V(off).  
Applications  
·
·
·
·
·
·
Off-line Converter  
DC-DC Converter  
Voltage Adapter  
CRT Monitor Power Supply  
Desktop Power Supply  
DVD/STB Power Supply  
The AP3842C and AP3843C can operate approaching  
100% duty cycle; AP3844C and AP3845C can operate  
from zero to 50% duty cycle.  
These ICs are available in SOIC-8 and DIP-8 pack-  
ages.  
DIP-8  
SOIC-8  
Figure 1. Package Types of AP3842C/3C/4C/5C  
BCD Semiconductor Manufacturing Limited  
Sep. 2006 Rev. 1. 1  
1

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