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CS2841BEN8 PDF预览

CS2841BEN8

更新时间: 2024-11-18 22:27:31
品牌 Logo 应用领域
樱桃 - CHERRY 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
页数 文件大小 规格书
6页 165K
描述
Automotive Current Mode PWM Control Circuit

CS2841BEN8 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:DIP, DIP8,.3Reach Compliance Code:unknown
风险等级:5.83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
最大输入电压:16 V最小输入电压:8.4 V
标称输入电压:15 VJESD-30 代码:R-PDIP-T8
JESD-609代码:e0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子类别:Switching Regulator or Controllers
表面贴装:NO切换器配置:BUCK
最大切换频率:500 kHz技术:BIPOLAR
温度等级:INDUSTRIAL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处于峰值回流温度下的最长时间:NOT SPECIFIED
Base Number Matches:1

CS2841BEN8 数据手册

 浏览型号CS2841BEN8的Datasheet PDF文件第2页浏览型号CS2841BEN8的Datasheet PDF文件第3页浏览型号CS2841BEN8的Datasheet PDF文件第4页浏览型号CS2841BEN8的Datasheet PDF文件第5页浏览型号CS2841BEN8的Datasheet PDF文件第6页 
CS2841B  
Automotive Current Mode PWM  
Control Circuit  
Description  
Features  
The CS2841B provides all the nec-  
quality and reliability in automo-  
Off-line  
Optimized for  
essary features to implement off-  
line fixed frequency current-mode  
control with a minimum number of  
external components.  
The CS2841B (a variation of the  
CS-2843A) is designed specifically  
for use in automotive operation.  
The low start threshold voltage of  
8.0V (typ), and the ability to sur-  
vive 40V automotive load dump  
transients are important for auto-  
motive subsystem designs. The  
CS-2841 series has a history of  
tive applications.  
Control  
The CS2841B incorporates a preci-  
sion temperature-controlled oscil-  
lator with an internally trimmed  
discharge current to minimize vari-  
ations in frequency. Duty-cycles  
greater than 50% are also possible.  
On board logic ensures that VREF is  
stabilized before the output stage  
is enabled. Ion implant resistors  
provide tighter control of under-  
voltage lockout.  
Internally Trimmed  
Temperature  
Compensated Oscillator  
Maximum Duty-cycle  
Clamp  
VREF Stabilized before  
Output Stage Enabled  
Low Start-up Current  
Pulse-by-pulse Current  
Limiting  
Improved Undervoltage  
Lockout  
Absolute Maximum Ratings  
Double Pulse Suppression  
Supply Voltage (Low Impedance Source)...................................................40V  
Output Current...............................................................................................±1A  
Output Energy (Capacitive Load) .................................................................5µJ  
Analog Inputs (VFB, Sense) ............................................................-0.3V to 5.5V  
Error Amp Output Sink Current...............................................................10mA  
Lead Temperature Soldering  
1% Trimmed Bandgap  
Reference  
High Current Totem Pole  
Output  
Wave Solder (through hole styles only)..........10 sec. max, 260°C peak  
Reflow (SMD styles only)...........60 sec. max above 183°C, 230°C peak  
Package Options  
Block Diagram  
8 Lead PDIP  
1
2
3
4
8
7
6
5
COMP  
VFB  
VREF  
VCC  
VCC  
VCC Pwr  
Undervoltage  
Lock-out Circuit  
Sense  
OSC  
VOUT  
Gnd  
Set/  
5V  
VREF  
Reset Reference  
Gnd  
8.0V/7.4V  
Internal  
Bias  
14 Lead SO Narrow  
2.50V  
Output  
Enable  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
COMP  
VREF  
OSC  
NOR  
Oscillator  
NC  
NC  
VOUT  
VFB  
VCC  
S
R
2 R  
+
NC  
VCC Pwr  
VOUT  
PWM  
Latch  
VFB  
VC  
Sense  
NC  
Error  
Amplifier  
R
Pwr Gnd  
Current  
Sensing  
1 V  
Pwr Gnd  
Gnd  
COMP  
Sense  
Comparator  
8
OSC  
Cherry Semiconductor Corporation  
2000 South County Trail, East Greenwich, RI 02818  
Tel: (401)885-3600 Fax: (401)885-5786  
Email: info@cherry-semi.com  
Web Site: www.cherry-semi.com  
Rev. 6/23/99  
A
®
Company  
1

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